329 files changed, 1092 insertions, 1333 deletions
diff --git a/CREDITS b/CREDITS
index 35850d882c34..0bf31eac6dc2 100644
--- a/CREDITS
+++ b/CREDITS
@@ -1127,8 +1127,10 @@ S: Carnegie, Pennsylvania 15106-4304
 S: USA
 N: Philip Gladstone
-E: philip@raptor.com
+E: philip@gladstonefamily.net
 D: Kernel / timekeeping stuff
+S: Carlisle, MA 01741
+S: USA
  
 N: Jan-Benedict Glaw
 E: jbglaw@lug-owl.de
diff --git a/Documentation/DMA-mapping.txt b/Documentation/DMA-mapping.txt
index 684557474c15..ee4bb73683cd 100644
--- a/Documentation/DMA-mapping.txt
+++ b/Documentation/DMA-mapping.txt
@@ -199,6 +199,8 @@ address during PCI bus mastering you might do something like:
                       "mydev: 24-bit DMA addressing not available.\n");
                goto ignore_this_device;
        }
+[Better use DMA_24BIT_MASK instead of 0x00ffffff.
+See linux/include/dma-mapping.h for reference.]
 When pci_set_dma_mask() is successful, and returns zero, the PCI layer
 saves away this mask you have provided.  The PCI layer will use this
diff --git a/Documentation/RCU/whatisRCU.txt b/Documentation/RCU/whatisRCU.txt
index b4ea51ad3610..07cb93b82ba9 100644
--- a/Documentation/RCU/whatisRCU.txt
+++ b/Documentation/RCU/whatisRCU.txt
@@ -605,7 +605,7 @@ are the same as those shown in the preceding section, so they are omitted.
        {
                int cpu;
-                for_each_cpu(cpu)
+                for_each_possible_cpu(cpu)
                        run_on(cpu);
        }
diff --git a/Documentation/cpu-hotplug.txt b/Documentation/cpu-hotplug.txt
index 57a09f99ecb0..1bcf69996c9d 100644
--- a/Documentation/cpu-hotplug.txt
+++ b/Documentation/cpu-hotplug.txt
@@ -97,13 +97,13 @@ at which time hotplug is disabled.
 You really dont need to manipulate any of the system cpu maps. They should
 be read-only for most use. When setting up per-cpu resources almost always use
-cpu_possible_map/for_each_cpu() to iterate.
+cpu_possible_map/for_each_possible_cpu() to iterate.
 Never use anything other than cpumask_t to represent bitmap of CPUs.
 #include <linux/cpumask.h>
-for_each_cpu              - Iterate over cpu_possible_map
+for_each_possible_cpu     - Iterate over cpu_possible_map
 for_each_online_cpu       - Iterate over cpu_online_map
 for_each_present_cpu      - Iterate over cpu_present_map
 for_each_cpu_mask(x,mask) - Iterate over some random collection of cpu mask.
diff --git a/Documentation/cputopology.txt b/Documentation/cputopology.txt
index ff280e2e1613..2b28e9ec4e3a 100644
--- a/Documentation/cputopology.txt
+++ b/Documentation/cputopology.txt
@@ -1,5 +1,5 @@
-Export cpu topology info by sysfs. Items (attributes) are similar
+Export cpu topology info via sysfs. Items (attributes) are similar
 to /proc/cpuinfo.
 1) /sys/devices/system/cpu/cpuX/topology/physical_package_id:
@@ -12,7 +12,7 @@ represent the thread siblings to cpu X in the same core;
 represent the thread siblings to cpu X in the same physical package;
 To implement it in an architecture-neutral way, a new source file,
-driver/base/topology.c, is to export the 5 attributes.
+drivers/base/topology.c, is to export the 4 attributes.
 If one architecture wants to support this feature, it just needs to
 implement 4 defines, typically in file include/asm-XXX/topology.h.
diff --git a/Documentation/filesystems/00-INDEX b/Documentation/filesystems/00-INDEX
index 74052d22d868..66fdc0744fe0 100644
--- a/Documentation/filesystems/00-INDEX
+++ b/Documentation/filesystems/00-INDEX
@@ -1,27 +1,47 @@
 00-INDEX
        - this file (info on some of the filesystems supported by linux).
+Exporting
+        - explanation of how to make filesystems exportable.
 Locking
        - info on locking rules as they pertain to Linux VFS.
 adfs.txt
        - info and mount options for the Acorn Advanced Disc Filing System.
+afs.txt
+        - info and examples for the distributed AFS (Andrew File System) fs.
 affs.txt
        - info and mount options for the Amiga Fast File System.
+automount-support.txt
+        - information about filesystem automount support.
+befs.txt
+        - information about the BeOS filesystem for Linux.
 bfs.txt
        - info for the SCO UnixWare Boot Filesystem (BFS).
 cifs.txt
-        - description of the CIFS filesystem
+        - description of the CIFS filesystem.
 coda.txt
        - description of the CODA filesystem.
 configfs/
        - directory containing configfs documentation and example code.
 cramfs.txt
-        - info on the cram filesystem for small storage (ROMs etc)
+        - info on the cram filesystem for small storage (ROMs etc).
+dentry-locking.txt
+        - info on the RCU-based dcache locking model.
 devfs/
        - directory containing devfs documentation.
+directory-locking
+        - info about the locking scheme used for directory operations.
 dlmfs.txt
        - info on the userspace interface to the OCFS2 DLM.
 ext2.txt
        - info, mount options and specifications for the Ext2 filesystem.
+ext3.txt
+        - info, mount options and specifications for the Ext3 filesystem.
+files.txt
+        - info on file management in the Linux kernel.
+fuse.txt
+        - info on the Filesystem in User SpacE including mount options.
+hfs.txt
+        - info on the Macintosh HFS Filesystem for Linux.
 hpfs.txt
        - info and mount options for the OS/2 HPFS.
 isofs.txt
@@ -32,23 +52,43 @@ ncpfs.txt
        - info on Novell Netware(tm) filesystem using NCP protocol.
 ntfs.txt
        - info and mount options for the NTFS filesystem (Windows NT).
-proc.txt
-        - info on Linux's /proc filesystem.
 ocfs2.txt
        - info and mount options for the OCFS2 clustered filesystem.
+porting
+        - various information on filesystem porting.
+proc.txt
+        - info on Linux's /proc filesystem.
+ramfs-rootfs-initramfs.txt
+        - info on the 'in memory' filesystems ramfs, rootfs and initramfs.
+reiser4.txt
+        - info on the Reiser4 filesystem based on dancing tree algorithms.
+relayfs.txt
+        - info on relayfs, for efficient streaming from kernel to user space.
 romfs.txt
-        - Description of the ROMFS filesystem.
+        - description of the ROMFS filesystem.
 smbfs.txt
-        - info on using filesystems with the SMB protocol (Windows 3.11 and NT)
+        - info on using filesystems with the SMB protocol (Win 3.11 and NT).
+spufs.txt
+        - info and mount options for the SPU filesystem used on Cell.
+sysfs-pci.txt
+        - info on accessing PCI device resources through sysfs.
+sysfs.txt
+        - info on sysfs, a ram-based filesystem for exporting kernel objects.
 sysv-fs.txt
        - info on the SystemV/V7/Xenix/Coherent filesystem.
+tmpfs.txt
+        - info on tmpfs, a filesystem that holds all files in virtual memory.
 udf.txt
        - info and mount options for the UDF filesystem.
 ufs.txt
        - info on the ufs filesystem.
+v9fs.txt
+        - v9fs is a Unix implementation of the Plan 9 9p remote fs protocol.
 vfat.txt
        - info on using the VFAT filesystem used in Windows NT and Windows 95
 vfs.txt
-        - Overview of the Virtual File System
+        - overview of the Virtual File System
 xfs.txt
        - info and mount options for the XFS filesystem.
+xip.txt
+        - info on execute-in-place for file mappings.
diff --git a/Documentation/ioctl-number.txt b/Documentation/ioctl-number.txt
index aa7ba00ec082..171a44ebd939 100644
--- a/Documentation/ioctl-number.txt
+++ b/Documentation/ioctl-number.txt
@@ -78,8 +78,6 @@ Code	Seq#	Include File		Comments
 '#'     00-3F   IEEE 1394 Subsystem     Block for the entire subsystem
 '1'     00-1F   <linux/timepps.h>       PPS kit from Ulrich Windl
                                        <ftp://ftp.de.kernel.org/pub/linux/daemons/ntp/PPS/>
-'6'     00-10   <asm-i386/processor.h>  Intel IA32 microcode update driver
-                                        <mailto:tigran@veritas.com>
 '8'     all                             SNP8023 advanced NIC card
                                        <mailto:mcr@solidum.com>
 'A'     00-1F   linux/apm_bios.h
diff --git a/Documentation/m68k/README.buddha b/Documentation/m68k/README.buddha
index bf802ffc98ad..ef484a719bb9 100644
--- a/Documentation/m68k/README.buddha
+++ b/Documentation/m68k/README.buddha
@@ -29,7 +29,7 @@ address is written to $4a, then the whole Byte is written to
 $48, while it doesn't matter how often you're writing to $4a
 as  long as $48 is not touched.  After $48 has been written,
 the  whole card disappears from $e8 and is mapped to the new
-address just written.  Make shure $4a is written before $48,
+address just written.  Make sure $4a is written before $48,
 otherwise your chance is only 1:16 to find the board :-).
 The local memory-map is even active when mapped to $e8:
diff --git a/Documentation/networking/ifenslave.c b/Documentation/networking/ifenslave.c
index 545447ac503a..a12059886755 100644
--- a/Documentation/networking/ifenslave.c
+++ b/Documentation/networking/ifenslave.c
@@ -87,7 +87,7 @@
 *         would fail and generate an error message in the system log.
 *       - For opt_c: slave should not be set to the master's setting
 *         while it is running. It was already set during enslave. To
- *         simplify things, it is now handeled separately.
+ *         simplify things, it is now handled separately.
 *
 *    - 2003/12/01 - Shmulik Hen <shmulik.hen at intel dot com>
 *       - Code cleanup and style changes
diff --git a/arch/alpha/kernel/time.c b/arch/alpha/kernel/time.c
index 6b2921be1909..3859749810b4 100644
--- a/arch/alpha/kernel/time.c
+++ b/arch/alpha/kernel/time.c
@@ -314,10 +314,11 @@ time_init(void)
        if (!est_cycle_freq)
                est_cycle_freq = validate_cc_value(calibrate_cc_with_pit());
-        cc1 = rpcc_after_update_in_progress();
+        cc1 = rpcc();
        /* Calibrate CPU clock -- attempt #2.  */
        if (!est_cycle_freq) {
+                cc1 = rpcc_after_update_in_progress();
                cc2 = rpcc_after_update_in_progress();
                est_cycle_freq = validate_cc_value(cc2 - cc1);
                cc1 = cc2;
diff --git a/arch/arm/lib/copy_template.S b/arch/arm/lib/copy_template.S
index 838e435e4922..cab355c0c1f7 100644
--- a/arch/arm/lib/copy_template.S
+++ b/arch/arm/lib/copy_template.S
@@ -236,7 +236,7 @@
 /*
- * Abort preanble and completion macros.
+ * Abort preamble and completion macros.
 * If a fixup handler is required then those macros must surround it.
 * It is assumed that the fixup code will handle the private part of
 * the exit macro.
diff --git a/arch/arm/mach-footbridge/time.c b/arch/arm/mach-footbridge/time.c
index 2c64a0b0502e..5d02e95dede3 100644
--- a/arch/arm/mach-footbridge/time.c
+++ b/arch/arm/mach-footbridge/time.c
@@ -34,27 +34,12 @@ static int rtc_base;
 static unsigned long __init get_isa_cmos_time(void)
 {
        unsigned int year, mon, day, hour, min, sec;
-        int i;
        // check to see if the RTC makes sense.....
        if ((CMOS_READ(RTC_VALID) & RTC_VRT) == 0)
                return mktime(1970, 1, 1, 0, 0, 0);
-        /* The Linux interpretation of the CMOS clock register contents:
+        do {
-         * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
-         * RTC registers show the second which has precisely just started.
-         * Let's hope other operating systems interpret the RTC the same way.
-         */
-        /* read RTC exactly on falling edge of update flag */
-        for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */
-                if (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP)
-                        break;
-        for (i = 0 ; i < 1000000 ; i++) /* must try at least 2.228 ms */
-                if (!(CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP))
-                        break;
-        do { /* Isn't this overkill ? UIP above should guarantee consistency */
                sec  = CMOS_READ(RTC_SECONDS);
                min  = CMOS_READ(RTC_MINUTES);
                hour = CMOS_READ(RTC_HOURS);
diff --git a/arch/i386/kernel/io_apic.c b/arch/i386/kernel/io_apic.c
index 311b4e7266f1..3b329af4afc5 100644
--- a/arch/i386/kernel/io_apic.c
+++ b/arch/i386/kernel/io_apic.c
@@ -381,7 +381,7 @@ static void do_irq_balance(void)
        unsigned long imbalance = 0;
        cpumask_t allowed_mask, target_cpu_mask, tmp;
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                int package_index;
                CPU_IRQ(i) = 0;
                if (!cpu_online(i))
@@ -632,7 +632,7 @@ static int __init balanced_irq_init(void)
        else 
                printk(KERN_ERR "balanced_irq_init: failed to spawn balanced_irq");
 failed:
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                kfree(irq_cpu_data[i].irq_delta);
                irq_cpu_data[i].irq_delta = NULL;
                kfree(irq_cpu_data[i].last_irq);
diff --git a/arch/i386/kernel/microcode.c b/arch/i386/kernel/microcode.c
index dd780a00553f..e7c138f66c5a 100644
--- a/arch/i386/kernel/microcode.c
+++ b/arch/i386/kernel/microcode.c
@@ -459,26 +459,9 @@ static ssize_t microcode_write (struct file *file, const char __user *buf, size_
        return ret;
 }
-static int microcode_ioctl (struct inode *inode, struct file *file, 
-                unsigned int cmd, unsigned long arg)
-{
-        switch (cmd) {
-                /* 
-                 *  XXX: will be removed after microcode_ctl 
-                 *  is updated to ignore failure of this ioctl()
-                 */
-                case MICROCODE_IOCFREE:
-                        return 0;
-                default:
-                        return -EINVAL;
-        }
-        return -EINVAL;
-}
 static struct file_operations microcode_fops = {
        .owner          = THIS_MODULE,
        .write          = microcode_write,
-        .ioctl          = microcode_ioctl,
        .open           = microcode_open,
 };
diff --git a/arch/i386/kernel/nmi.c b/arch/i386/kernel/nmi.c
index 9074818b9473..d43b498ec745 100644
--- a/arch/i386/kernel/nmi.c
+++ b/arch/i386/kernel/nmi.c
@@ -138,12 +138,12 @@ static int __init check_nmi_watchdog(void)
        if (nmi_watchdog == NMI_LOCAL_APIC)
                smp_call_function(nmi_cpu_busy, (void *)&endflag, 0, 0);
-        for_each_cpu(cpu)
+        for_each_possible_cpu(cpu)
                prev_nmi_count[cpu] = per_cpu(irq_stat, cpu).__nmi_count;
        local_irq_enable();
        mdelay((10*1000)/nmi_hz); // wait 10 ticks
-        for_each_cpu(cpu) {
+        for_each_possible_cpu(cpu) {
 #ifdef CONFIG_SMP
                /* Check cpu_callin_map here because that is set
                   after the timer is started. */
@@ -510,7 +510,7 @@ void touch_nmi_watchdog (void)
         * Just reset the alert counters, (other CPUs might be
         * spinning on locks we hold):
         */
-        for_each_cpu(i)
+        for_each_possible_cpu(i)
                alert_counter[i] = 0;
        /*
@@ -529,7 +529,8 @@ void nmi_watchdog_tick (struct pt_regs * regs)
         * always switch the stack NMI-atomically, it's safe to use
         * smp_processor_id().
         */
-        int sum, cpu = smp_processor_id();
+        unsigned int sum;
+        int cpu = smp_processor_id();
        sum = per_cpu(irq_stat, cpu).apic_timer_irqs;
diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c
index 8165626a5c30..70e560a1b79a 100644
--- a/arch/i386/mach-voyager/voyager_smp.c
+++ b/arch/i386/mach-voyager/voyager_smp.c
@@ -1700,7 +1700,7 @@ after_handle_vic_irq(unsigned int irq)
                        printk("VOYAGER SMP: CPU%d lost interrupt %d\n",
                               cpu, irq);
-                        for_each_cpu(real_cpu, mask) {
+                        for_each_possible_cpu(real_cpu, mask) {
                                outb(VIC_CPU_MASQUERADE_ENABLE | real_cpu,
                                     VIC_PROCESSOR_ID);
diff --git a/arch/i386/oprofile/nmi_int.c b/arch/i386/oprofile/nmi_int.c
index 1accce50c2c7..1a2076ce6f6a 100644
--- a/arch/i386/oprofile/nmi_int.c
+++ b/arch/i386/oprofile/nmi_int.c
@@ -122,7 +122,7 @@ static void nmi_save_registers(void * dummy)
 static void free_msrs(void)
 {
        int i;
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                kfree(cpu_msrs[i].counters);
                cpu_msrs[i].counters = NULL;
                kfree(cpu_msrs[i].controls);
diff --git a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
index c686d9c12f7b..5100261310f7 100644
--- a/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
+++ b/arch/ia64/sn/kernel/sn2/sn_proc_fs.c
@@ -93,19 +93,22 @@ static int coherence_id_open(struct inode *inode, struct file *file)
 static struct proc_dir_entry
 *sn_procfs_create_entry(const char *name, struct proc_dir_entry *parent,
                        int (*openfunc)(struct inode *, struct file *),
-                        int (*releasefunc)(struct inode *, struct file *))
+        int (*releasefunc)(struct inode *, struct file *),
+        ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *))
 {
        struct proc_dir_entry *e = create_proc_entry(name, 0444, parent);
        if (e) {
-                e->proc_fops = (struct file_operations *)kmalloc(
+                struct file_operations *f;
-                        sizeof(struct file_operations), GFP_KERNEL);
-                if (e->proc_fops) {
+                f = kzalloc(sizeof(*f), GFP_KERNEL);
-                        memset(e->proc_fops, 0, sizeof(struct file_operations));
+                if (f) {
-                        e->proc_fops->open = openfunc;
+                        f->open = openfunc;
-                        e->proc_fops->read = seq_read;
+                        f->read = seq_read;
-                        e->proc_fops->llseek = seq_lseek;
+                        f->llseek = seq_lseek;
-                        e->proc_fops->release = releasefunc;
+                        f->release = releasefunc;
+                        f->write = write;
+                        e->proc_fops = f;
                }
        }
@@ -119,31 +122,29 @@ extern int sn_topology_release(struct inode *, struct file *);
 void register_sn_procfs(void)
 {
        static struct proc_dir_entry *sgi_proc_dir = NULL;
-        struct proc_dir_entry *e;
        BUG_ON(sgi_proc_dir != NULL);
        if (!(sgi_proc_dir = proc_mkdir("sgi_sn", NULL)))
                return;
        sn_procfs_create_entry("partition_id", sgi_proc_dir,
-                               partition_id_open, single_release);
+                partition_id_open, single_release, NULL);
        sn_procfs_create_entry("system_serial_number", sgi_proc_dir,
-                               system_serial_number_open, single_release);
+                system_serial_number_open, single_release, NULL);
        sn_procfs_create_entry("licenseID", sgi_proc_dir, 
-                               licenseID_open, single_release);
+                licenseID_open, single_release, NULL);
-        e = sn_procfs_create_entry("sn_force_interrupt", sgi_proc_dir, 
+        sn_procfs_create_entry("sn_force_interrupt", sgi_proc_dir,
-                                   sn_force_interrupt_open, single_release);
+                sn_force_interrupt_open, single_release,
-        if (e) 
+                sn_force_interrupt_write_proc);
-                e->proc_fops->write = sn_force_interrupt_write_proc;
        sn_procfs_create_entry("coherence_id", sgi_proc_dir, 
-                               coherence_id_open, single_release);
+                coherence_id_open, single_release, NULL);
        
        sn_procfs_create_entry("sn_topology", sgi_proc_dir,
-                               sn_topology_open, sn_topology_release);
+                sn_topology_open, sn_topology_release, NULL);
 }
 #endif /* CONFIG_PROC_FS */
diff --git a/arch/m68k/mvme16x/rtc.c b/arch/m68k/mvme16x/rtc.c
index a69fe3048edc..b0e4c084df8a 100644
--- a/arch/m68k/mvme16x/rtc.c
+++ b/arch/m68k/mvme16x/rtc.c
@@ -17,6 +17,7 @@
 #include <linux/poll.h>
 #include <linux/mc146818rtc.h>  /* For struct rtc_time and ioctls, etc */
 #include <linux/smp_lock.h>
+#include <linux/bcd.h>
 #include <asm/mvme16xhw.h>
 #include <asm/io.h>
@@ -31,9 +32,6 @@
 *      ioctls.
 */
-#define BCD2BIN(val) (((val)&15) + ((val)>>4)*10)
-#define BIN2BCD(val) ((((val)/10)<<4) + (val)%10)
 static const unsigned char days_in_mo[] =
 {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
diff --git a/arch/mips/dec/time.c b/arch/mips/dec/time.c
index f17d3378e9a6..74cb055d4bf6 100644
--- a/arch/mips/dec/time.c
+++ b/arch/mips/dec/time.c
@@ -36,41 +36,13 @@
 #include <asm/dec/ioasic_addrs.h>
 #include <asm/dec/machtype.h>
-/*
- * Returns true if a clock update is in progress
- */
-static inline unsigned char dec_rtc_is_updating(void)
-{
-        unsigned char uip;
-        unsigned long flags;
-        spin_lock_irqsave(&rtc_lock, flags);
-        uip = (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP);
-        spin_unlock_irqrestore(&rtc_lock, flags);
-        return uip;
-}
 static unsigned long dec_rtc_get_time(void)
 {
        unsigned int year, mon, day, hour, min, sec, real_year;
-        int i;
        unsigned long flags;
-        /* The Linux interpretation of the DS1287 clock register contents:
-         * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
-         * RTC registers show the second which has precisely just started.
-         * Let's hope other operating systems interpret the RTC the same way.
-         */
-        /* read RTC exactly on falling edge of update flag */
-        for (i = 0; i < 1000000; i++)   /* may take up to 1 second... */
-                if (dec_rtc_is_updating())
-                        break;
-        for (i = 0; i < 1000000; i++)   /* must try at least 2.228 ms */
-                if (!dec_rtc_is_updating())
-                        break;
        spin_lock_irqsave(&rtc_lock, flags);
-        /* Isn't this overkill?  UIP above should guarantee consistency */
        do {
                sec = CMOS_READ(RTC_SECONDS);
                min = CMOS_READ(RTC_MINUTES);
@@ -78,7 +50,16 @@ static unsigned long dec_rtc_get_time(void)
                day = CMOS_READ(RTC_DAY_OF_MONTH);
                mon = CMOS_READ(RTC_MONTH);
                year = CMOS_READ(RTC_YEAR);
+                /*
+                 * The PROM will reset the year to either '72 or '73.
+                 * Therefore we store the real year separately, in one
+                 * of unused BBU RAM locations.
+                 */
+                real_year = CMOS_READ(RTC_DEC_YEAR);
        } while (sec != CMOS_READ(RTC_SECONDS));
+        spin_unlock_irqrestore(&rtc_lock, flags);
        if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
                sec = BCD2BIN(sec);
                min = BCD2BIN(min);
@@ -87,13 +68,7 @@ static unsigned long dec_rtc_get_time(void)
                mon = BCD2BIN(mon);
                year = BCD2BIN(year);
        }
-        /*
-         * The PROM will reset the year to either '72 or '73.
-         * Therefore we store the real year separately, in one
-         * of unused BBU RAM locations.
-         */
-        real_year = CMOS_READ(RTC_DEC_YEAR);
-        spin_unlock_irqrestore(&rtc_lock, flags);
        year += real_year - 72 + 2000;
        return mktime(year, mon, day, hour, min, sec);
diff --git a/arch/mips/momentum/ocelot_3/setup.c b/arch/mips/momentum/ocelot_3/setup.c
index 969612eab8a6..370e75d0e75c 100644
--- a/arch/mips/momentum/ocelot_3/setup.c
+++ b/arch/mips/momentum/ocelot_3/setup.c
@@ -58,6 +58,7 @@
 #include <linux/bootmem.h>
 #include <linux/mv643xx.h>
 #include <linux/pm.h>
+#include <linux/bcd.h>
 #include <asm/time.h>
 #include <asm/page.h>
@@ -131,9 +132,6 @@ void setup_wired_tlb_entries(void)
        add_wired_entry(ENTRYLO(0xfc000000), ENTRYLO(0xfd000000), (signed)0xfc000000, PM_16M);
 }
-#define CONV_BCD_TO_BIN(val)    (((val) & 0xf) + (((val) >> 4) * 10))
-#define CONV_BIN_TO_BCD(val)    (((val) % 10) + (((val) / 10) << 4))
 unsigned long m48t37y_get_time(void)
 {
        unsigned int year, month, day, hour, min, sec;
@@ -143,16 +141,16 @@ unsigned long m48t37y_get_time(void)
        /* stop the update */
        rtc_base[0x7ff8] = 0x40;
-        year = CONV_BCD_TO_BIN(rtc_base[0x7fff]);
+        year = BCD2BIN(rtc_base[0x7fff]);
-        year += CONV_BCD_TO_BIN(rtc_base[0x7ff1]) * 100;
+        year += BCD2BIN(rtc_base[0x7ff1]) * 100;
-        month = CONV_BCD_TO_BIN(rtc_base[0x7ffe]);
+        month = BCD2BIN(rtc_base[0x7ffe]);
-        day = CONV_BCD_TO_BIN(rtc_base[0x7ffd]);
+        day = BCD2BIN(rtc_base[0x7ffd]);
-        hour = CONV_BCD_TO_BIN(rtc_base[0x7ffb]);
+        hour = BCD2BIN(rtc_base[0x7ffb]);
-        min = CONV_BCD_TO_BIN(rtc_base[0x7ffa]);
+        min = BCD2BIN(rtc_base[0x7ffa]);
-        sec = CONV_BCD_TO_BIN(rtc_base[0x7ff9]);
+        sec = BCD2BIN(rtc_base[0x7ff9]);
        /* start the update */
        rtc_base[0x7ff8] = 0x00;
@@ -175,22 +173,22 @@ int m48t37y_set_time(unsigned long sec)
        rtc_base[0x7ff8] = 0x80;
        /* year */
-        rtc_base[0x7fff] = CONV_BIN_TO_BCD(tm.tm_year % 100);
+        rtc_base[0x7fff] = BIN2BCD(tm.tm_year % 100);
-        rtc_base[0x7ff1] = CONV_BIN_TO_BCD(tm.tm_year / 100);
+        rtc_base[0x7ff1] = BIN2BCD(tm.tm_year / 100);
        /* month */
-        rtc_base[0x7ffe] = CONV_BIN_TO_BCD(tm.tm_mon);
+        rtc_base[0x7ffe] = BIN2BCD(tm.tm_mon);
        /* day */
-        rtc_base[0x7ffd] = CONV_BIN_TO_BCD(tm.tm_mday);
+        rtc_base[0x7ffd] = BIN2BCD(tm.tm_mday);
        /* hour/min/sec */
-        rtc_base[0x7ffb] = CONV_BIN_TO_BCD(tm.tm_hour);
+        rtc_base[0x7ffb] = BIN2BCD(tm.tm_hour);
-        rtc_base[0x7ffa] = CONV_BIN_TO_BCD(tm.tm_min);
+        rtc_base[0x7ffa] = BIN2BCD(tm.tm_min);
-        rtc_base[0x7ff9] = CONV_BIN_TO_BCD(tm.tm_sec);
+        rtc_base[0x7ff9] = BIN2BCD(tm.tm_sec);
        /* day of week -- not really used, but let's keep it up-to-date */
-        rtc_base[0x7ffc] = CONV_BIN_TO_BCD(tm.tm_wday + 1);
+        rtc_base[0x7ffc] = BIN2BCD(tm.tm_wday + 1);
        /* disable writing */
        rtc_base[0x7ff8] = 0x00;
diff --git a/arch/mips/tx4938/common/rtc_rx5c348.c b/arch/mips/tx4938/common/rtc_rx5c348.c
index f74295f28527..07f782fc0725 100644
--- a/arch/mips/tx4938/common/rtc_rx5c348.c
+++ b/arch/mips/tx4938/common/rtc_rx5c348.c
@@ -14,6 +14,7 @@
 #include <linux/string.h>
 #include <linux/rtc.h>
 #include <linux/time.h>
+#include <linux/bcd.h>
 #include <asm/time.h>
 #include <asm/tx4938/spi.h>
@@ -77,17 +78,6 @@ spi_rtc_io(unsigned char *inbuf, unsigned char *outbuf, unsigned int count)
                           inbufs, incounts, outbufs, outcounts, 0);
 }
-/*
- * Conversion between binary and BCD.
- */
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
 /* RTC-dependent code for time.c */
 static int
diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c
index b3962c3a0348..5be40aa483fd 100644
--- a/arch/powerpc/platforms/cell/spufs/inode.c
+++ b/arch/powerpc/platforms/cell/spufs/inode.c
@@ -103,7 +103,7 @@ spufs_setattr(struct dentry *dentry, struct iattr *attr)
 static int
 spufs_new_file(struct super_block *sb, struct dentry *dentry,
-                struct file_operations *fops, int mode,
+                const struct file_operations *fops, int mode,
                struct spu_context *ctx)
 {
        static struct inode_operations spufs_file_iops = {
diff --git a/arch/powerpc/platforms/chrp/time.c b/arch/powerpc/platforms/chrp/time.c
index 12c6f689b1aa..7d7889026936 100644
--- a/arch/powerpc/platforms/chrp/time.c
+++ b/arch/powerpc/platforms/chrp/time.c
@@ -120,33 +120,15 @@ int chrp_set_rtc_time(struct rtc_time *tmarg)
 void chrp_get_rtc_time(struct rtc_time *tm)
 {
        unsigned int year, mon, day, hour, min, sec;
-        int uip, i;
-        /* The Linux interpretation of the CMOS clock register contents:
+        do {
-         * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
-         * RTC registers show the second which has precisely just started.
-         * Let's hope other operating systems interpret the RTC the same way.
-         */
-        /* Since the UIP flag is set for about 2.2 ms and the clock
-         * is typically written with a precision of 1 jiffy, trying
-         * to obtain a precision better than a few milliseconds is
-         * an illusion. Only consistency is interesting, this also
-         * allows to use the routine for /dev/rtc without a potential
-         * 1 second kernel busy loop triggered by any reader of /dev/rtc.
-         */
-        for ( i = 0; i<1000000; i++) {
-                uip = chrp_cmos_clock_read(RTC_FREQ_SELECT);
                sec = chrp_cmos_clock_read(RTC_SECONDS);
                min = chrp_cmos_clock_read(RTC_MINUTES);
                hour = chrp_cmos_clock_read(RTC_HOURS);
                day = chrp_cmos_clock_read(RTC_DAY_OF_MONTH);
                mon = chrp_cmos_clock_read(RTC_MONTH);
                year = chrp_cmos_clock_read(RTC_YEAR);
-                uip |= chrp_cmos_clock_read(RTC_FREQ_SELECT);
+        } while (sec != chrp_cmos_clock_read(RTC_SECONDS));
-                if ((uip & RTC_UIP)==0) break;
-        }
        if (!(chrp_cmos_clock_read(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
                BCD_TO_BIN(sec);
diff --git a/arch/powerpc/platforms/maple/time.c b/arch/powerpc/platforms/maple/time.c
index 5e6981d17379..b9a2b3d4bf33 100644
--- a/arch/powerpc/platforms/maple/time.c
+++ b/arch/powerpc/platforms/maple/time.c
@@ -60,34 +60,14 @@ static void maple_clock_write(unsigned long val, int addr)
 void maple_get_rtc_time(struct rtc_time *tm)
 {
-        int uip, i;
+        do {
-        /* The Linux interpretation of the CMOS clock register contents:
-         * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
-         * RTC registers show the second which has precisely just started.
-         * Let's hope other operating systems interpret the RTC the same way.
-         */
-        /* Since the UIP flag is set for about 2.2 ms and the clock
-         * is typically written with a precision of 1 jiffy, trying
-         * to obtain a precision better than a few milliseconds is
-         * an illusion. Only consistency is interesting, this also
-         * allows to use the routine for /dev/rtc without a potential
-         * 1 second kernel busy loop triggered by any reader of /dev/rtc.
-         */
-        for (i = 0; i<1000000; i++) {
-                uip = maple_clock_read(RTC_FREQ_SELECT);
                tm->tm_sec = maple_clock_read(RTC_SECONDS);
                tm->tm_min = maple_clock_read(RTC_MINUTES);
                tm->tm_hour = maple_clock_read(RTC_HOURS);
                tm->tm_mday = maple_clock_read(RTC_DAY_OF_MONTH);
                tm->tm_mon = maple_clock_read(RTC_MONTH);
                tm->tm_year = maple_clock_read(RTC_YEAR);
-                uip |= maple_clock_read(RTC_FREQ_SELECT);
+        } while (tm->tm_sec != maple_clock_read(RTC_SECONDS));
-                if ((uip & RTC_UIP)==0)
-                        break;
-        }
        if (!(maple_clock_read(RTC_CONTROL) & RTC_DM_BINARY)
            || RTC_ALWAYS_BCD) {
diff --git a/arch/ppc/kernel/ppc_htab.c b/arch/ppc/kernel/ppc_htab.c
index 2f5c7650274f..9b84bffdefce 100644
--- a/arch/ppc/kernel/ppc_htab.c
+++ b/arch/ppc/kernel/ppc_htab.c
@@ -52,7 +52,7 @@ static int ppc_htab_open(struct inode *inode, struct file *file)
        return single_open(file, ppc_htab_show, NULL);
 }
-struct file_operations ppc_htab_operations = {
+const struct file_operations ppc_htab_operations = {
        .open           = ppc_htab_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
diff --git a/arch/ppc/platforms/chrp_time.c b/arch/ppc/platforms/chrp_time.c
index c8627770af13..51e06ad66168 100644
--- a/arch/ppc/platforms/chrp_time.c
+++ b/arch/ppc/platforms/chrp_time.c
@@ -119,44 +119,28 @@ int chrp_set_rtc_time(unsigned long nowtime)
 unsigned long chrp_get_rtc_time(void)
 {
        unsigned int year, mon, day, hour, min, sec;
-        int uip, i;
-        /* The Linux interpretation of the CMOS clock register contents:
+        do {
-         * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
-         * RTC registers show the second which has precisely just started.
-         * Let's hope other operating systems interpret the RTC the same way.
-         */
-        /* Since the UIP flag is set for about 2.2 ms and the clock
-         * is typically written with a precision of 1 jiffy, trying
-         * to obtain a precision better than a few milliseconds is
-         * an illusion. Only consistency is interesting, this also
-         * allows to use the routine for /dev/rtc without a potential
-         * 1 second kernel busy loop triggered by any reader of /dev/rtc.
-         */
-        for ( i = 0; i<1000000; i++) {
-                uip = chrp_cmos_clock_read(RTC_FREQ_SELECT);
                sec = chrp_cmos_clock_read(RTC_SECONDS);
                min = chrp_cmos_clock_read(RTC_MINUTES);
                hour = chrp_cmos_clock_read(RTC_HOURS);
                day = chrp_cmos_clock_read(RTC_DAY_OF_MONTH);
                mon = chrp_cmos_clock_read(RTC_MONTH);
                year = chrp_cmos_clock_read(RTC_YEAR);
-                uip |= chrp_cmos_clock_read(RTC_FREQ_SELECT);
+        } while (sec != chrp_cmos_clock_read(RTC_SECONDS));
-                if ((uip & RTC_UIP)==0) break;
+        if (!(chrp_cmos_clock_read(RTC_CONTROL) & RTC_DM_BINARY)
+            || RTC_ALWAYS_BCD) {
+                BCD_TO_BIN(sec);
+                BCD_TO_BIN(min);
+                BCD_TO_BIN(hour);
+                BCD_TO_BIN(day);
+                BCD_TO_BIN(mon);
+                BCD_TO_BIN(year);
        }
-        if (!(chrp_cmos_clock_read(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
+        year += 1900;
-          {
+        if (year < 1970)
-            BCD_TO_BIN(sec);
-            BCD_TO_BIN(min);
-            BCD_TO_BIN(hour);
-            BCD_TO_BIN(day);
-            BCD_TO_BIN(mon);
-            BCD_TO_BIN(year);
-          }
-        if ((year += 1900) < 1970)
                year += 100;
        return mktime(year, mon, day, hour, min, sec);
 }
diff --git a/arch/sh/boards/mpc1211/rtc.c b/arch/sh/boards/mpc1211/rtc.c
index 4d100f048072..a76c655dceee 100644
--- a/arch/sh/boards/mpc1211/rtc.c
+++ b/arch/sh/boards/mpc1211/rtc.c
@@ -9,36 +9,16 @@
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/time.h>
+#include <linux/bcd.h>
 #include <linux/mc146818rtc.h>
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
-/* arc/i386/kernel/time.c */
 unsigned long get_cmos_time(void)
 {
        unsigned int year, mon, day, hour, min, sec;
-        int i;
        spin_lock(&rtc_lock);
-        /* The Linux interpretation of the CMOS clock register contents:
-         * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
+        do {
-         * RTC registers show the second which has precisely just started.
-         * Let's hope other operating systems interpret the RTC the same way.
-         */
-        /* read RTC exactly on falling edge of update flag */
-        for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */
-                if (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP)
-                        break;
-        for (i = 0 ; i < 1000000 ; i++) /* must try at least 2.228 ms */
-                if (!(CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP))
-                        break;
-        do { /* Isn't this overkill ? UIP above should guarantee consistency */
                sec = CMOS_READ(RTC_SECONDS);
                min = CMOS_READ(RTC_MINUTES);
                hour = CMOS_READ(RTC_HOURS);
@@ -46,18 +26,22 @@ unsigned long get_cmos_time(void)
                mon = CMOS_READ(RTC_MONTH);
                year = CMOS_READ(RTC_YEAR);
        } while (sec != CMOS_READ(RTC_SECONDS));
-        if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
-          {
+        if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-            BCD_TO_BIN(sec);
+                BCD_TO_BIN(sec);
-            BCD_TO_BIN(min);
+                BCD_TO_BIN(min);
-            BCD_TO_BIN(hour);
+                BCD_TO_BIN(hour);
-            BCD_TO_BIN(day);
+                BCD_TO_BIN(day);
-            BCD_TO_BIN(mon);
+                BCD_TO_BIN(mon);
-            BCD_TO_BIN(year);
+                BCD_TO_BIN(year);
-          }
+        }
        spin_unlock(&rtc_lock);
-        if ((year += 1900) < 1970)
+        year += 1900;
+        if (year < 1970)
                year += 100;
        return mktime(year, mon, day, hour, min, sec);
 }
diff --git a/arch/sh/boards/sh03/rtc.c b/arch/sh/boards/sh03/rtc.c
index cbeca7037ba5..d609863cfe53 100644
--- a/arch/sh/boards/sh03/rtc.c
+++ b/arch/sh/boards/sh03/rtc.c
@@ -9,6 +9,7 @@
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/time.h>
+#include <linux/bcd.h>
 #include <asm/io.h>
 #include <linux/rtc.h>
 #include <linux/spinlock.h>
@@ -33,14 +34,6 @@
 #define RTC_BUSY        1
 #define RTC_STOP        2
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
 extern void (*rtc_get_time)(struct timespec *);
 extern int (*rtc_set_time)(const time_t);
 extern spinlock_t rtc_lock;
@@ -48,13 +41,9 @@ extern spinlock_t rtc_lock;
 unsigned long get_cmos_time(void)
 {
        unsigned int year, mon, day, hour, min, sec;
-        int i;
        spin_lock(&rtc_lock);
 again:
-        for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */
-                if (!(ctrl_inb(RTC_CTL) & RTC_BUSY))
-                        break;
        do {
                sec  = (ctrl_inb(RTC_SEC1) & 0xf) + (ctrl_inb(RTC_SEC10) & 0x7) * 10;
                min  = (ctrl_inb(RTC_MIN1) & 0xf) + (ctrl_inb(RTC_MIN10) & 0xf) * 10;
diff --git a/arch/sh/kernel/cpu/rtc.c b/arch/sh/kernel/cpu/rtc.c
index f8361f5e788b..4304cf75cfa2 100644
--- a/arch/sh/kernel/cpu/rtc.c
+++ b/arch/sh/kernel/cpu/rtc.c
@@ -9,18 +9,10 @@
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/time.h>
+#include <linux/bcd.h>
 #include <asm/io.h>
 #include <asm/rtc.h>
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
 void sh_rtc_gettimeofday(struct timespec *ts)
 {
        unsigned int sec128, sec, sec2, min, hr, wk, day, mon, yr, yr100, cf_bit;
diff --git a/arch/sh64/kernel/time.c b/arch/sh64/kernel/time.c
index 0773c9f389f3..6b8f4d22abc6 100644
--- a/arch/sh64/kernel/time.c
+++ b/arch/sh64/kernel/time.c
@@ -30,6 +30,7 @@
 #include <linux/profile.h>
 #include <linux/smp.h>
 #include <linux/module.h>
+#include <linux/bcd.h>
 #include <asm/registers.h>       /* required by inline __asm__ stmt. */
@@ -105,14 +106,6 @@
 #define RCR1            rtc_base+0x38
 #define RCR2            rtc_base+0x3c
-#ifndef BCD_TO_BIN
-#define BCD_TO_BIN(val) ((val)=((val)&15) + ((val)>>4)*10)
-#endif
-#ifndef BIN_TO_BCD
-#define BIN_TO_BCD(val) ((val)=(((val)/10)<<4) + (val)%10)
-#endif
 #define TICK_SIZE (tick_nsec / 1000)
 extern unsigned long wall_jiffies;
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 7d61f1bfd3d3..e55b5c6ece02 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -641,23 +641,8 @@ static void __init set_system_time(void)
                mon = MSTK_REG_MONTH(mregs);
                year = MSTK_CVT_YEAR( MSTK_REG_YEAR(mregs) );
        } else {
-                int i;
                /* Dallas 12887 RTC chip. */
-                /* Stolen from arch/i386/kernel/time.c, see there for
-                 * credits and descriptive comments.
-                 */
-                for (i = 0; i < 1000000; i++) {
-                        if (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP)
-                                break;
-                        udelay(10);
-                }
-                for (i = 0; i < 1000000; i++) {
-                        if (!(CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP))
-                                break;
-                        udelay(10);
-                }
                do {
                        sec  = CMOS_READ(RTC_SECONDS);
                        min  = CMOS_READ(RTC_MINUTES);
@@ -666,6 +651,7 @@ static void __init set_system_time(void)
                        mon  = CMOS_READ(RTC_MONTH);
                        year = CMOS_READ(RTC_YEAR);
                } while (sec != CMOS_READ(RTC_SECONDS));
                if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
                        BCD_TO_BIN(sec);
                        BCD_TO_BIN(min);
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 7f58fa682491..473b514b66e4 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -504,42 +504,25 @@ unsigned long long sched_clock(void)
 static unsigned long get_cmos_time(void)
 {
-        unsigned int timeout = 1000000, year, mon, day, hour, min, sec;
+        unsigned int year, mon, day, hour, min, sec;
-        unsigned char uip = 0, this = 0;
        unsigned long flags;
        unsigned extyear = 0;
-/*
- * The Linux interpretation of the CMOS clock register contents: When the
- * Update-In-Progress (UIP) flag goes from 1 to 0, the RTC registers show the
- * second which has precisely just started. Waiting for this can take up to 1
- * second, we timeout approximately after 2.4 seconds on a machine with
- * standard 8.3 MHz ISA bus.
- */
        spin_lock_irqsave(&rtc_lock, flags);
-        while (timeout && (!uip || this)) {
+        do {
-                uip |= this;
+                sec = CMOS_READ(RTC_SECONDS);
-                this = CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP;
+                min = CMOS_READ(RTC_MINUTES);
-                timeout--;
+                hour = CMOS_READ(RTC_HOURS);
-        }
+                day = CMOS_READ(RTC_DAY_OF_MONTH);
+                mon = CMOS_READ(RTC_MONTH);
-        /*
+                year = CMOS_READ(RTC_YEAR);
-         * Here we are safe to assume the registers won't change for a whole
-         * second, so we just go ahead and read them.
-         */
-        sec = CMOS_READ(RTC_SECONDS);
-        min = CMOS_READ(RTC_MINUTES);
-        hour = CMOS_READ(RTC_HOURS);
-        day = CMOS_READ(RTC_DAY_OF_MONTH);
-        mon = CMOS_READ(RTC_MONTH);
-        year = CMOS_READ(RTC_YEAR);
 #ifdef CONFIG_ACPI
-        if (acpi_fadt.revision >= FADT2_REVISION_ID && acpi_fadt.century)
+                if (acpi_fadt.revision >= FADT2_REVISION_ID &&
-                extyear = CMOS_READ(acpi_fadt.century);
+                                        acpi_fadt.century)
+                        extyear = CMOS_READ(acpi_fadt.century);
 #endif
+        } while (sec != CMOS_READ(RTC_SECONDS));
        spin_unlock_irqrestore(&rtc_lock, flags);
diff --git a/block/ll_rw_blk.c b/block/ll_rw_blk.c
index 82469db25100..5a19e2eb5711 100644
--- a/block/ll_rw_blk.c
+++ b/block/ll_rw_blk.c
@@ -3514,7 +3514,7 @@ int __init blk_dev_init(void)
        iocontext_cachep = kmem_cache_create("blkdev_ioc",
                        sizeof(struct io_context), 0, SLAB_PANIC, NULL, NULL);
-        for_each_cpu(i)
+        for_each_possible_cpu(i)
                INIT_LIST_HEAD(&per_cpu(blk_cpu_done, i));
        open_softirq(BLOCK_SOFTIRQ, blk_done_softirq, NULL);
diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c
index 69f4c7ce9a63..cac09e353be8 100644
--- a/drivers/atm/lanai.c
+++ b/drivers/atm/lanai.c
@@ -1972,7 +1972,7 @@ static int __devinit lanai_pci_start(struct lanai_dev *lanai)
                    "(itf %d): No suitable DMA available.\n", lanai->number);
                return -EBUSY;
        }
-        if (pci_set_consistent_dma_mask(pci, 0xFFFFFFFF) != 0) {
+        if (pci_set_consistent_dma_mask(pci, DMA_32BIT_MASK) != 0) {
                printk(KERN_WARNING DEV_LABEL
                    "(itf %d): No suitable DMA available.\n", lanai->number);
                return -EBUSY;
diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 49c7cd558ddf..45bcda544880 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -41,6 +41,7 @@
 #include <linux/timer.h>
 #include <linux/pci.h>
 #include <linux/init.h>
+#include <linux/jiffies.h>
 #include <linux/random.h>
 #include <asm/io.h>
 #include <asm/uaccess.h>
@@ -3654,8 +3655,8 @@ static void DAC960_V1_ProcessCompletedCommand(DAC960_Command_T *Command)
              (NewEnquiry->EventLogSequenceNumber !=
               OldEnquiry->EventLogSequenceNumber) ||
              Controller->MonitoringTimerCount == 0 ||
-              (jiffies - Controller->SecondaryMonitoringTime
+              time_after_eq(jiffies, Controller->SecondaryMonitoringTime
-               >= DAC960_SecondaryMonitoringInterval))
+               + DAC960_SecondaryMonitoringInterval))
            {
              Controller->V1.NeedLogicalDriveInformation = true;
              Controller->V1.NewEventLogSequenceNumber =
@@ -5640,8 +5641,8 @@ static void DAC960_MonitoringTimerFunction(unsigned long TimerData)
      unsigned int StatusChangeCounter =
        Controller->V2.HealthStatusBuffer->StatusChangeCounter;
      boolean ForceMonitoringCommand = false;
-      if (jiffies - Controller->SecondaryMonitoringTime
+      if (time_after(jiffies, Controller->SecondaryMonitoringTime
-          > DAC960_SecondaryMonitoringInterval)
+          + DAC960_SecondaryMonitoringInterval))
        {
          int LogicalDriveNumber;
          for (LogicalDriveNumber = 0;
@@ -5669,8 +5670,8 @@ static void DAC960_MonitoringTimerFunction(unsigned long TimerData)
           ControllerInfo->ConsistencyChecksActive +
           ControllerInfo->RebuildsActive +
           ControllerInfo->OnlineExpansionsActive == 0 ||
-           jiffies - Controller->PrimaryMonitoringTime
+           time_before(jiffies, Controller->PrimaryMonitoringTime
-           < DAC960_MonitoringTimerInterval) &&
+           + DAC960_MonitoringTimerInterval)) &&
          !ForceMonitoringCommand)
        {
          Controller->MonitoringTimer.expires =
@@ -5807,8 +5808,8 @@ static void DAC960_Message(DAC960_MessageLevel_T MessageLevel,
      Controller->ProgressBufferLength = Length;
      if (Controller->EphemeralProgressMessage)
        {
-          if (jiffies - Controller->LastProgressReportTime
+          if (time_after_eq(jiffies, Controller->LastProgressReportTime
-              >= DAC960_ProgressReportingInterval)
+              + DAC960_ProgressReportingInterval))
            {
              printk("%sDAC960#%d: %s", DAC960_MessageLevelMap[MessageLevel],
                     Controller->ControllerNumber, Buffer);
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 875ae7699025..ae0949b3394f 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -383,8 +383,9 @@ config BLK_DEV_RAM
          thus say N here.
 config BLK_DEV_RAM_COUNT
-        int "Default number of RAM disks" if BLK_DEV_RAM
+        int "Default number of RAM disks"
        default "16"
+        depends on BLK_DEV_RAM
        help
          The default value is 16 RAM disks. Change this if you know what
          are doing. If you boot from a filesystem that needs to be extracted
diff --git a/drivers/block/acsi_slm.c b/drivers/block/acsi_slm.c
index a5c1c8e871ec..4cb9c1336287 100644
--- a/drivers/block/acsi_slm.c
+++ b/drivers/block/acsi_slm.c
@@ -369,8 +369,6 @@ static ssize_t slm_read( struct file *file, char *buf, size_t count,
        int length;
        int end;
-        if (count < 0)
-                return( -EINVAL );
        if (!(page = __get_free_page( GFP_KERNEL )))
                return( -ENOMEM );
        
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index d3ad9081697e..bedb689b051f 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -170,6 +170,7 @@ static int print_unex = 1;
 #include <linux/mm.h>
 #include <linux/bio.h>
 #include <linux/string.h>
+#include <linux/jiffies.h>
 #include <linux/fcntl.h>
 #include <linux/delay.h>
 #include <linux/mc146818rtc.h>  /* CMOS defines */
@@ -747,7 +748,7 @@ static int disk_change(int drive)
 {
        int fdc = FDC(drive);
 #ifdef FLOPPY_SANITY_CHECK
-        if (jiffies - UDRS->select_date < UDP->select_delay)
+        if (time_before(jiffies, UDRS->select_date + UDP->select_delay))
                DPRINT("WARNING disk change called early\n");
        if (!(FDCS->dor & (0x10 << UNIT(drive))) ||
            (FDCS->dor & 3) != UNIT(drive) || fdc != FDC(drive)) {
@@ -1075,7 +1076,7 @@ static int fd_wait_for_completion(unsigned long delay, timeout_fn function)
                return 1;
        }
-        if ((signed)(jiffies - delay) < 0) {
+        if (time_before(jiffies, delay)) {
                del_timer(&fd_timer);
                fd_timer.function = function;
                fd_timer.expires = delay;
@@ -1535,7 +1536,7 @@ static void setup_rw_floppy(void)
                 * again just before spinup completion. Beware that
                 * after scandrives, we must again wait for selection.
                 */
-                if ((signed)(ready_date - jiffies) > DP->select_delay) {
+                if (time_after(ready_date, jiffies + DP->select_delay)) {
                        ready_date -= DP->select_delay;
                        function = (timeout_fn) floppy_start;
                } else
@@ -3823,7 +3824,7 @@ static int check_floppy_change(struct gendisk *disk)
        if (UTESTF(FD_DISK_CHANGED) || UTESTF(FD_VERIFY))
                return 1;
-        if (UDP->checkfreq < (int)(jiffies - UDRS->last_checked)) {
+        if (time_after(jiffies, UDRS->last_checked + UDP->checkfreq)) {
                if (floppy_grab_irq_and_dma()) {
                        return 1;
                }
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index 62d2464c12f2..2403721f9db1 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -151,6 +151,7 @@ enum {D_PRT, D_PRO, D_UNI, D_MOD, D_GEO, D_SBY, D_DLY, D_SLV};
 #include <linux/cdrom.h>        /* for the eject ioctl */
 #include <linux/blkdev.h>
 #include <linux/blkpg.h>
+#include <linux/kernel.h>
 #include <asm/uaccess.h>
 #include <linux/sched.h>
 #include <linux/workqueue.h>
@@ -275,7 +276,7 @@ static void pd_print_error(struct pd_unit *disk, char *msg, int status)
        int i;
        printk("%s: %s: status = 0x%x =", disk->name, msg, status);
-        for (i = 0; i < 18; i++)
+        for (i = 0; i < ARRAY_SIZE(pd_errs); i++)
                if (status & (1 << i))
                        printk(" %s", pd_errs[i]);
        printk("\n");
diff --git a/drivers/block/paride/pg.c b/drivers/block/paride/pg.c
index 6f5df0fad703..79b868254032 100644
--- a/drivers/block/paride/pg.c
+++ b/drivers/block/paride/pg.c
@@ -643,7 +643,8 @@ static ssize_t pg_read(struct file *filp, char __user *buf, size_t count, loff_t
 static int __init pg_init(void)
 {
-        int unit, err = 0;
+        int unit;
+        int err;
        if (disable){
                err = -1;
@@ -657,16 +658,17 @@ static int __init pg_init(void)
                goto out;
        }
-        if (register_chrdev(major, name, &pg_fops)) {
+        err = register_chrdev(major, name, &pg_fops);
+        if (err < 0) {
                printk("pg_init: unable to get major number %d\n", major);
                for (unit = 0; unit < PG_UNITS; unit++) {
                        struct pg *dev = &devices[unit];
                        if (dev->present)
                                pi_release(dev->pi);
                }
-                err = -1;
                goto out;
        }
+        major = err;    /* In case the user specified `major=0' (dynamic) */
        pg_class = class_create(THIS_MODULE, "pg");
        if (IS_ERR(pg_class)) {
                err = PTR_ERR(pg_class);
diff --git a/drivers/block/paride/pt.c b/drivers/block/paride/pt.c
index 715ae5dc88fb..d2013d362403 100644
--- a/drivers/block/paride/pt.c
+++ b/drivers/block/paride/pt.c
@@ -943,7 +943,8 @@ static ssize_t pt_write(struct file *filp, const char __user *buf, size_t count,
 static int __init pt_init(void)
 {
-        int unit, err = 0;
+        int unit;
+        int err;
        if (disable) {
                err = -1;
@@ -955,14 +956,15 @@ static int __init pt_init(void)
                goto out;
        }
-        if (register_chrdev(major, name, &pt_fops)) {
+        err = register_chrdev(major, name, &pt_fops);
+        if (err < 0) {
                printk("pt_init: unable to get major number %d\n", major);
                for (unit = 0; unit < PT_UNITS; unit++)
                        if (pt[unit].present)
                                pi_release(pt[unit].pi);
-                err = -1;
                goto out;
        }
+        major = err;
        pt_class = class_create(THIS_MODULE, "pt");
        if (IS_ERR(pt_class)) {
                err = PTR_ERR(pt_class);
diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index c16e66b9c7a7..f7d4c65a7b8c 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -50,6 +50,7 @@
 #include <linux/timer.h>
 #include <linux/pci.h>
 #include <linux/slab.h>
+#include <linux/dma-mapping.h>
 #include <linux/fcntl.h>        /* O_ACCMODE */
 #include <linux/hdreg.h>  /* HDIO_GETGEO */
@@ -881,8 +882,8 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i
        printk(KERN_INFO "Micro Memory(tm) controller #%d found at %02x:%02x (PCI Mem Module (Battery Backup))\n",
               card->card_number, dev->bus->number, dev->devfn);
-        if (pci_set_dma_mask(dev, 0xffffffffffffffffLL) &&
+        if (pci_set_dma_mask(dev, DMA_64BIT_MASK) &&
-            pci_set_dma_mask(dev, 0xffffffffLL)) {
+            pci_set_dma_mask(dev, DMA_32BIT_MASK)) {
                printk(KERN_WARNING "MM%d: NO suitable DMA found\n",num_cards);
                return  -ENOMEM;
        }
diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c
index 70b8ed9cd172..4c67135c12d8 100644
--- a/drivers/char/agp/nvidia-agp.c
+++ b/drivers/char/agp/nvidia-agp.c
@@ -11,6 +11,7 @@
 #include <linux/gfp.h>
 #include <linux/page-flags.h>
 #include <linux/mm.h>
+#include <linux/jiffies.h>
 #include "agp.h"
 /* NVIDIA registers */
@@ -256,7 +257,7 @@ static void nvidia_tlbflush(struct agp_memory *mem)
                do {
                        pci_read_config_dword(nvidia_private.dev_1,
                                        NVIDIA_1_WBC, &wbc_reg);
-                        if ((signed)(end - jiffies) <= 0) {
+                        if (time_before_eq(end, jiffies)) {
                                printk(KERN_ERR PFX
                                    "TLB flush took more than 3 seconds.\n");
                        }
diff --git a/drivers/char/drm/drm_fops.c b/drivers/char/drm/drm_fops.c
index 641f7633878c..b7f7951c4587 100644
--- a/drivers/char/drm/drm_fops.c
+++ b/drivers/char/drm/drm_fops.c
@@ -175,7 +175,7 @@ int drm_stub_open(struct inode *inode, struct file *filp)
        drm_device_t *dev = NULL;
        int minor = iminor(inode);
        int err = -ENODEV;
-        struct file_operations *old_fops;
+        const struct file_operations *old_fops;
        DRM_DEBUG("\n");
diff --git a/drivers/char/drm/i810_dma.c b/drivers/char/drm/i810_dma.c
index ae0aa6d7e0bb..c658dde3633b 100644
--- a/drivers/char/drm/i810_dma.c
+++ b/drivers/char/drm/i810_dma.c
@@ -126,7 +126,7 @@ static int i810_map_buffer(drm_buf_t * buf, struct file *filp)
        drm_device_t *dev = priv->head->dev;
        drm_i810_buf_priv_t *buf_priv = buf->dev_private;
        drm_i810_private_t *dev_priv = dev->dev_private;
-        struct file_operations *old_fops;
+        const struct file_operations *old_fops;
        int retcode = 0;
        if (buf_priv->currently_mapped == I810_BUF_MAPPED)
diff --git a/drivers/char/drm/i830_dma.c b/drivers/char/drm/i830_dma.c
index 163f2cbfe60d..b0f815d8cea8 100644
--- a/drivers/char/drm/i830_dma.c
+++ b/drivers/char/drm/i830_dma.c
@@ -128,7 +128,7 @@ static int i830_map_buffer(drm_buf_t * buf, struct file *filp)
        drm_device_t *dev = priv->head->dev;
        drm_i830_buf_priv_t *buf_priv = buf->dev_private;
        drm_i830_private_t *dev_priv = dev->dev_private;
-        struct file_operations *old_fops;
+        const struct file_operations *old_fops;
        unsigned long virtual;
        int retcode = 0;
diff --git a/drivers/char/mem.c b/drivers/char/mem.c
index 5245ba1649ed..66719f9d294c 100644
--- a/drivers/char/mem.c
+++ b/drivers/char/mem.c
@@ -899,7 +899,7 @@ static const struct {
        unsigned int            minor;
        char                    *name;
        umode_t                 mode;
-        struct file_operations  *fops;
+        const struct file_operations    *fops;
 } devlist[] = { /* list of minor devices */
        {1, "mem",     S_IRUSR | S_IWUSR | S_IRGRP, &mem_fops},
        {2, "kmem",    S_IRUSR | S_IWUSR | S_IRGRP, &kmem_fops},
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index 3e4c0414a01a..96eb2a709e21 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -129,7 +129,7 @@ static int misc_open(struct inode * inode, struct file * file)
        int minor = iminor(inode);
        struct miscdevice *c;
        int err = -ENODEV;
-        struct file_operations *old_fops, *new_fops = NULL;
+        const struct file_operations *old_fops, *new_fops = NULL;
        
        down(&misc_sem);
        
diff --git a/drivers/char/mxser.h b/drivers/char/mxser.h
index e7fd0b08e0b7..7e188a4d602a 100644
--- a/drivers/char/mxser.h
+++ b/drivers/char/mxser.h
@@ -118,7 +118,7 @@
 // enable CTS interrupt
 #define MOXA_MUST_IER_ECTSI             0x80
-// eanble RTS interrupt
+// enable RTS interrupt
 #define MOXA_MUST_IER_ERTSI             0x40
 // enable Xon/Xoff interrupt
 #define MOXA_MUST_IER_XINT              0x20
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index d68be61f0a49..fee2aca3f6a5 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -941,17 +941,6 @@ static void* mgsl_get_text_ptr(void)
        return mgsl_get_text_ptr;
 }
-/*
- * tmp_buf is used as a temporary buffer by mgsl_write.  We need to
- * lock it in case the COPY_FROM_USER blocks while swapping in a page,
- * and some other program tries to do a serial write at the same time.
- * Since the lock will only come under contention when the system is
- * swapping and available memory is low, it makes sense to share one
- * buffer across all the serial ioports, since it significantly saves
- * memory if large numbers of serial ports are open.
- */
-static unsigned char *tmp_buf;
 static inline int mgsl_paranoia_check(struct mgsl_struct *info,
                                        char *name, const char *routine)
 {
@@ -2150,7 +2139,7 @@ static int mgsl_write(struct tty_struct * tty,
        if (mgsl_paranoia_check(info, tty->name, "mgsl_write"))
                goto cleanup;
-        if (!tty || !info->xmit_buf || !tmp_buf)
+        if (!tty || !info->xmit_buf)
                goto cleanup;
        if ( info->params.mode == MGSL_MODE_HDLC ||
@@ -3438,7 +3427,6 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp)
 {
        struct mgsl_struct      *info;
        int                     retval, line;
-        unsigned long           page;
        unsigned long flags;
        /* verify range of specified line number */     
@@ -3472,18 +3460,6 @@ static int mgsl_open(struct tty_struct *tty, struct file * filp)
                goto cleanup;
        }
        
-        if (!tmp_buf) {
-                page = get_zeroed_page(GFP_KERNEL);
-                if (!page) {
-                        retval = -ENOMEM;
-                        goto cleanup;
-                }
-                if (tmp_buf)
-                        free_page(page);
-                else
-                        tmp_buf = (unsigned char *) page;
-        }
-        
        info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
        spin_lock_irqsave(&info->netlock, flags);
@@ -4502,11 +4478,6 @@ static void synclink_cleanup(void)
                kfree(tmp);
        }
        
-        if (tmp_buf) {
-                free_page((unsigned long) tmp_buf);
-                tmp_buf = NULL;
-        }
-        
        if (pci_registered)
                pci_unregister_driver(&synclink_pci_driver);
 }
@@ -6025,7 +5996,7 @@ static void usc_set_async_mode( struct mgsl_struct *info )
         * <15..8>      ?               RxFIFO IRQ Request Level
         *
         * Note: For async mode the receive FIFO level must be set
-         * to 0 to aviod the situation where the FIFO contains fewer bytes
+         * to 0 to avoid the situation where the FIFO contains fewer bytes
         * than the trigger level and no more data is expected.
         *
         * <7>          0               Exited Hunt IA (Interrupt Arm)
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 738ec2f4e563..b4d1f4eea435 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -1,5 +1,5 @@
 /*
- * $Id: synclink_gt.c,v 4.22 2006/01/09 20:16:06 paulkf Exp $
+ * $Id: synclink_gt.c,v 4.25 2006/02/06 21:20:33 paulkf Exp $
 *
 * Device driver for Microgate SyncLink GT serial adapters.
 *
@@ -92,7 +92,7 @@
 * module identification
 */
 static char *driver_name     = "SyncLink GT";
-static char *driver_version  = "$Revision: 4.22 $";
+static char *driver_version  = "$Revision: 4.25 $";
 static char *tty_driver_name = "synclink_gt";
 static char *tty_dev_prefix  = "ttySLG";
 MODULE_LICENSE("GPL");
@@ -188,6 +188,20 @@ static void hdlcdev_exit(struct slgt_info *info);
 #define SLGT_REG_SIZE  256
 /*
+ * conditional wait facility
+ */
+struct cond_wait {
+        struct cond_wait *next;
+        wait_queue_head_t q;
+        wait_queue_t wait;
+        unsigned int data;
+};
+static void init_cond_wait(struct cond_wait *w, unsigned int data);
+static void add_cond_wait(struct cond_wait **head, struct cond_wait *w);
+static void remove_cond_wait(struct cond_wait **head, struct cond_wait *w);
+static void flush_cond_wait(struct cond_wait **head);
+/*
 * DMA buffer descriptor and access macros
 */
 struct slgt_desc
@@ -269,6 +283,9 @@ struct slgt_info {
        struct timer_list       tx_timer;
        struct timer_list       rx_timer;
+        unsigned int            gpio_present;
+        struct cond_wait        *gpio_wait_q;
        spinlock_t lock;        /* spinlock for synchronizing with ISR */
        struct work_struct task;
@@ -379,6 +396,11 @@ static MGSL_PARAMS default_params = {
 #define MASK_OVERRUN BIT4
 #define GSR   0x00 /* global status */
+#define JCR   0x04 /* JTAG control */
+#define IODR  0x08 /* GPIO direction */
+#define IOER  0x0c /* GPIO interrupt enable */
+#define IOVR  0x10 /* GPIO value */
+#define IOSR  0x14 /* GPIO interrupt status */
 #define TDR   0x80 /* tx data */
 #define RDR   0x80 /* rx data */
 #define TCR   0x82 /* tx control */
@@ -503,6 +525,9 @@ static int  tiocmset(struct tty_struct *tty, struct file *file,
 static void set_break(struct tty_struct *tty, int break_state);
 static int  get_interface(struct slgt_info *info, int __user *if_mode);
 static int  set_interface(struct slgt_info *info, int if_mode);
+static int  set_gpio(struct slgt_info *info, struct gpio_desc __user *gpio);
+static int  get_gpio(struct slgt_info *info, struct gpio_desc __user *gpio);
+static int  wait_gpio(struct slgt_info *info, struct gpio_desc __user *gpio);
 /*
 * driver functions
@@ -1112,6 +1137,12 @@ static int ioctl(struct tty_struct *tty, struct file *file,
                return get_interface(info, argp);
        case MGSL_IOCSIF:
                return set_interface(info,(int)arg);
+        case MGSL_IOCSGPIO:
+                return set_gpio(info, argp);
+        case MGSL_IOCGGPIO:
+                return get_gpio(info, argp);
+        case MGSL_IOCWAITGPIO:
+                return wait_gpio(info, argp);
        case TIOCGICOUNT:
                spin_lock_irqsave(&info->lock,flags);
                cnow = info->icount;
@@ -1762,10 +1793,6 @@ static void rx_async(struct slgt_info *info)
                DBGDATA(info, p, count, "rx");
                for(i=0 ; i < count; i+=2, p+=2) {
-                        if (tty && chars) {
-                                tty_flip_buffer_push(tty);
-                                chars = 0;
-                        }
                        ch = *p;
                        icount->rx++;
@@ -2158,6 +2185,24 @@ static void isr_txeom(struct slgt_info *info, unsigned short status)
        }
 }
+static void isr_gpio(struct slgt_info *info, unsigned int changed, unsigned int state)
+{
+        struct cond_wait *w, *prev;
+        /* wake processes waiting for specific transitions */
+        for (w = info->gpio_wait_q, prev = NULL ; w != NULL ; w = w->next) {
+                if (w->data & changed) {
+                        w->data = state;
+                        wake_up_interruptible(&w->q);
+                        if (prev != NULL)
+                                prev->next = w->next;
+                        else
+                                info->gpio_wait_q = w->next;
+                } else
+                        prev = w;
+        }
+}
 /* interrupt service routine
 *
 *      irq     interrupt number
@@ -2193,6 +2238,22 @@ static irqreturn_t slgt_interrupt(int irq, void *dev_id, struct pt_regs * regs)
                }
        }
+        if (info->gpio_present) {
+                unsigned int state;
+                unsigned int changed;
+                while ((changed = rd_reg32(info, IOSR)) != 0) {
+                        DBGISR(("%s iosr=%08x\n", info->device_name, changed));
+                        /* read latched state of GPIO signals */
+                        state = rd_reg32(info, IOVR);
+                        /* clear pending GPIO interrupt bits */
+                        wr_reg32(info, IOSR, changed);
+                        for (i=0 ; i < info->port_count ; i++) {
+                                if (info->port_array[i] != NULL)
+                                        isr_gpio(info->port_array[i], changed, state);
+                        }
+                }
+        }
        for(i=0; i < info->port_count ; i++) {
                struct slgt_info *port = info->port_array[i];
@@ -2276,6 +2337,8 @@ static void shutdown(struct slgt_info *info)
                set_signals(info);
        }
+        flush_cond_wait(&info->gpio_wait_q);
        spin_unlock_irqrestore(&info->lock,flags);
        if (info->tty)
@@ -2650,6 +2713,175 @@ static int set_interface(struct slgt_info *info, int if_mode)
        return 0;
 }
+/*
+ * set general purpose IO pin state and direction
+ *
+ * user_gpio fields:
+ * state   each bit indicates a pin state
+ * smask   set bit indicates pin state to set
+ * dir     each bit indicates a pin direction (0=input, 1=output)
+ * dmask   set bit indicates pin direction to set
+ */
+static int set_gpio(struct slgt_info *info, struct gpio_desc __user *user_gpio)
+{
+        unsigned long flags;
+        struct gpio_desc gpio;
+        __u32 data;
+        if (!info->gpio_present)
+                return -EINVAL;
+        if (copy_from_user(&gpio, user_gpio, sizeof(gpio)))
+                return -EFAULT;
+        DBGINFO(("%s set_gpio state=%08x smask=%08x dir=%08x dmask=%08x\n",
+                 info->device_name, gpio.state, gpio.smask,
+                 gpio.dir, gpio.dmask));
+        spin_lock_irqsave(&info->lock,flags);
+        if (gpio.dmask) {
+                data = rd_reg32(info, IODR);
+                data |= gpio.dmask & gpio.dir;
+                data &= ~(gpio.dmask & ~gpio.dir);
+                wr_reg32(info, IODR, data);
+        }
+        if (gpio.smask) {
+                data = rd_reg32(info, IOVR);
+                data |= gpio.smask & gpio.state;
+                data &= ~(gpio.smask & ~gpio.state);
+                wr_reg32(info, IOVR, data);
+        }
+        spin_unlock_irqrestore(&info->lock,flags);
+        return 0;
+}
+/*
+ * get general purpose IO pin state and direction
+ */
+static int get_gpio(struct slgt_info *info, struct gpio_desc __user *user_gpio)
+{
+        struct gpio_desc gpio;
+        if (!info->gpio_present)
+                return -EINVAL;
+        gpio.state = rd_reg32(info, IOVR);
+        gpio.smask = 0xffffffff;
+        gpio.dir   = rd_reg32(info, IODR);
+        gpio.dmask = 0xffffffff;
+        if (copy_to_user(user_gpio, &gpio, sizeof(gpio)))
+                return -EFAULT;
+        DBGINFO(("%s get_gpio state=%08x dir=%08x\n",
+                 info->device_name, gpio.state, gpio.dir));
+        return 0;
+}
+/*
+ * conditional wait facility
+ */
+static void init_cond_wait(struct cond_wait *w, unsigned int data)
+{
+        init_waitqueue_head(&w->q);
+        init_waitqueue_entry(&w->wait, current);
+        w->data = data;
+}
+static void add_cond_wait(struct cond_wait **head, struct cond_wait *w)
+{
+        set_current_state(TASK_INTERRUPTIBLE);
+        add_wait_queue(&w->q, &w->wait);
+        w->next = *head;
+        *head = w;
+}
+static void remove_cond_wait(struct cond_wait **head, struct cond_wait *cw)
+{
+        struct cond_wait *w, *prev;
+        remove_wait_queue(&cw->q, &cw->wait);
+        set_current_state(TASK_RUNNING);
+        for (w = *head, prev = NULL ; w != NULL ; prev = w, w = w->next) {
+                if (w == cw) {
+                        if (prev != NULL)
+                                prev->next = w->next;
+                        else
+                                *head = w->next;
+                        break;
+                }
+        }
+}
+static void flush_cond_wait(struct cond_wait **head)
+{
+        while (*head != NULL) {
+                wake_up_interruptible(&(*head)->q);
+                *head = (*head)->next;
+        }
+}
+/*
+ * wait for general purpose I/O pin(s) to enter specified state
+ *
+ * user_gpio fields:
+ * state - bit indicates target pin state
+ * smask - set bit indicates watched pin
+ *
+ * The wait ends when at least one watched pin enters the specified
+ * state. When 0 (no error) is returned, user_gpio->state is set to the
+ * state of all GPIO pins when the wait ends.
+ *
+ * Note: Each pin may be a dedicated input, dedicated output, or
+ * configurable input/output. The number and configuration of pins
+ * varies with the specific adapter model. Only input pins (dedicated
+ * or configured) can be monitored with this function.
+ */
+static int wait_gpio(struct slgt_info *info, struct gpio_desc __user *user_gpio)
+{
+        unsigned long flags;
+        int rc = 0;
+        struct gpio_desc gpio;
+        struct cond_wait wait;
+        u32 state;
+        if (!info->gpio_present)
+                return -EINVAL;
+        if (copy_from_user(&gpio, user_gpio, sizeof(gpio)))
+                return -EFAULT;
+        DBGINFO(("%s wait_gpio() state=%08x smask=%08x\n",
+                 info->device_name, gpio.state, gpio.smask));
+        /* ignore output pins identified by set IODR bit */
+        if ((gpio.smask &= ~rd_reg32(info, IODR)) == 0)
+                return -EINVAL;
+        init_cond_wait(&wait, gpio.smask);
+        spin_lock_irqsave(&info->lock, flags);
+        /* enable interrupts for watched pins */
+        wr_reg32(info, IOER, rd_reg32(info, IOER) | gpio.smask);
+        /* get current pin states */
+        state = rd_reg32(info, IOVR);
+        if (gpio.smask & ~(state ^ gpio.state)) {
+                /* already in target state */
+                gpio.state = state;
+        } else {
+                /* wait for target state */
+                add_cond_wait(&info->gpio_wait_q, &wait);
+                spin_unlock_irqrestore(&info->lock, flags);
+                schedule();
+                if (signal_pending(current))
+                        rc = -ERESTARTSYS;
+                else
+                        gpio.state = wait.data;
+                spin_lock_irqsave(&info->lock, flags);
+                remove_cond_wait(&info->gpio_wait_q, &wait);
+        }
+        /* disable all GPIO interrupts if no waiting processes */
+        if (info->gpio_wait_q == NULL)
+                wr_reg32(info, IOER, 0);
+        spin_unlock_irqrestore(&info->lock,flags);
+        if ((rc == 0) && copy_to_user(user_gpio, &gpio, sizeof(gpio)))
+                rc = -EFAULT;
+        return rc;
+}
 static int modem_input_wait(struct slgt_info *info,int arg)
 {
        unsigned long flags;
@@ -3166,8 +3398,10 @@ static void device_init(int adapter_num, struct pci_dev *pdev)
                } else {
                        port_array[0]->irq_requested = 1;
                        adapter_test(port_array[0]);
-                        for (i=1 ; i < port_count ; i++)
+                        for (i=1 ; i < port_count ; i++) {
                                port_array[i]->init_error = port_array[0]->init_error;
+                                port_array[i]->gpio_present = port_array[0]->gpio_present;
+                        }
                }
        }
 }
@@ -4301,7 +4535,7 @@ static int register_test(struct slgt_info *info)
                        break;
                }
        }
+        info->gpio_present = (rd_reg32(info, JCR) & BIT5) ? 1 : 0;
        info->init_error = rc ? 0 : DiagStatus_AddressFailure;
        return rc;
 }
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 905f58ba8e16..ea06e3a4dc35 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -2044,7 +2044,7 @@ static int __init edac_mc_init(void)
         */
        clear_pci_parity_errors();
-        /* Create the MC sysfs entires */
+        /* Create the MC sysfs entries */
        if (edac_sysfs_memctrl_setup()) {
                edac_printk(KERN_ERR, EDAC_MC,
                        "Error initializing sysfs code\n");
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index ebc59064b475..f04791a58df0 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -433,6 +433,7 @@
 #include <linux/timer.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
+#include <linux/jiffies.h>
 #include <linux/major.h>
 #include <linux/devfs_fs_kernel.h>
 #include <linux/errno.h>
@@ -2336,7 +2337,7 @@ static ide_startstop_t idetape_rw_callback (ide_drive_t *drive)
        }
        if (time_after(jiffies, tape->insert_time))
                tape->insert_speed = tape->insert_size / 1024 * HZ / (jiffies - tape->insert_time);
-        if (jiffies - tape->avg_time >= HZ) {
+        if (time_after_eq(jiffies, tape->avg_time + HZ)) {
                tape->avg_speed = tape->avg_size * HZ / (jiffies - tape->avg_time) / 1024;
                tape->avg_size = 0;
                tape->avg_time = jiffies;
@@ -2497,7 +2498,7 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive,
                        } else {
                                return ide_do_reset(drive);
                        }
-                } else if (jiffies - tape->dsc_polling_start > IDETAPE_DSC_MA_THRESHOLD)
+                } else if (time_after(jiffies, tape->dsc_polling_start + IDETAPE_DSC_MA_THRESHOLD))
                        tape->dsc_polling_frequency = IDETAPE_DSC_MA_SLOW;
                idetape_postpone_request(drive);
                return ide_stopped;
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c
index 21965e5ef25e..b22ee5462318 100644
--- a/drivers/ide/pci/amd74xx.c
+++ b/drivers/ide/pci/amd74xx.c
@@ -347,10 +347,8 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const ch
                        break;
                case AMD_UDMA_66:
-                        pci_read_config_dword(dev, AMD_UDMA_TIMING, &u);
+                        /* no host side cable detection */
-                        for (i = 24; i >= 0; i -= 8)
+                        amd_80w = 0x03;
-                                if ((u >> i) & 4)
-                                        amd_80w |= (1 << (1 - (i >> 4)));
                        break;
        }
@@ -386,8 +384,6 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const ch
        if (amd_clock < 20000 || amd_clock > 50000) {
                printk(KERN_WARNING "%s: User given PCI clock speed impossible (%d), using 33 MHz instead.\n",
                        amd_chipset->name, amd_clock);
-                printk(KERN_WARNING "%s: Use ide0=ata66 if you want to assume 80-wire cable\n",
-                        amd_chipset->name);
                amd_clock = 33333;
        }
diff --git a/drivers/ide/pci/generic.c b/drivers/ide/pci/generic.c
index 6e3ab0c38c4d..f82e82109728 100644
--- a/drivers/ide/pci/generic.c
+++ b/drivers/ide/pci/generic.c
@@ -41,14 +41,15 @@
 static int ide_generic_all;             /* Set to claim all devices */
+#ifndef MODULE
 static int __init ide_generic_all_on(char *unused)
 {
        ide_generic_all = 1;
        printk(KERN_INFO "IDE generic will claim all unknown PCI IDE storage controllers.\n");
        return 1;
 }
 __setup("all-generic-ide", ide_generic_all_on);
+#endif
 static void __devinit init_hwif_generic (ide_hwif_t *hwif)
 {
diff --git a/drivers/ide/pci/sis5513.c b/drivers/ide/pci/sis5513.c
index 75a2253a3e68..8e9d87701ce2 100644
--- a/drivers/ide/pci/sis5513.c
+++ b/drivers/ide/pci/sis5513.c
@@ -112,6 +112,7 @@ static const struct {
        { "SiS5596",    PCI_DEVICE_ID_SI_5596,  ATA_16   },
        { "SiS5571",    PCI_DEVICE_ID_SI_5571,  ATA_16   },
+        { "SiS5517",    PCI_DEVICE_ID_SI_5517,  ATA_16   },
        { "SiS551x",    PCI_DEVICE_ID_SI_5511,  ATA_16   },
 };
@@ -524,6 +525,7 @@ static void config_art_rwp_pio (ide_drive_t *drive, u8 pio)
                        case 3:         test1 = 0x30|0x03; break;
                        case 2:         test1 = 0x40|0x04; break;
                        case 1:         test1 = 0x60|0x07; break;
+                        case 0:         test1 = 0x00; break;
                        default:        break;
                }
                pci_write_config_byte(dev, drive_pci, test1);
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 4fe3da3c667a..f8af0945964e 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -923,7 +923,7 @@ void input_unregister_handler(struct input_handler *handler)
 static int input_open_file(struct inode *inode, struct file *file)
 {
        struct input_handler *handler = input_table[iminor(inode) >> 5];
-        struct file_operations *old_fops, *new_fops = NULL;
+        const struct file_operations *old_fops, *new_fops = NULL;
        int err;
        /* No load-on-demand here? */
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 623adbb0d13a..9b493f0becc4 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1485,6 +1485,7 @@ static int __init capi_init(void)
 {
        char *p;
        char *compileinfo;
+        int major_ret;
        if ((p = strchr(revision, ':')) != 0 && p[1]) {
                strlcpy(rev, p + 2, sizeof(rev));
@@ -1493,11 +1494,12 @@ static int __init capi_init(void)
        } else
                strcpy(rev, "1.0");
-        if (register_chrdev(capi_major, "capi20", &capi_fops)) {
+        major_ret = register_chrdev(capi_major, "capi20", &capi_fops);
+        if (major_ret < 0) {
                printk(KERN_ERR "capi20: unable to get major %d\n", capi_major);
-                return -EIO;
+                return major_ret;
        }
+        capi_major = major_ret;
        capi_class = class_create(THIS_MODULE, "capi");
        if (IS_ERR(capi_class)) {
                unregister_chrdev(capi_major, "capi20");
diff --git a/drivers/isdn/capi/kcapi_proc.c b/drivers/isdn/capi/kcapi_proc.c
index 2cc8b27e4c3b..ca9dc00a45c4 100644
--- a/drivers/isdn/capi/kcapi_proc.c
+++ b/drivers/isdn/capi/kcapi_proc.c
@@ -233,7 +233,7 @@ static struct file_operations proc_applstats_ops = {
 };
 static void
-create_seq_entry(char *name, mode_t mode, struct file_operations *f)
+create_seq_entry(char *name, mode_t mode, const struct file_operations *f)
 {
        struct proc_dir_entry *entry;
        entry = create_proc_entry(name, mode, NULL);
diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
index 54f8b95717b0..96fe0ecae250 100644
--- a/drivers/media/dvb/dvb-core/dvbdev.c
+++ b/drivers/media/dvb/dvb-core/dvbdev.c
@@ -86,7 +86,7 @@ static int dvb_device_open(struct inode *inode, struct file *file)
        if (dvbdev && dvbdev->fops) {
                int err = 0;
-                struct file_operations *old_fops;
+                const struct file_operations *old_fops;
                file->private_data = dvbdev;
                old_fops = file->f_op;
diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index 75e3d41382f2..5f87dd5f1d0b 100644
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -97,7 +97,7 @@ static int video_open(struct inode *inode, struct file *file)
        unsigned int minor = iminor(inode);
        int err = 0;
        struct video_device *vfl;
-        struct file_operations *old_fops;
+        const struct file_operations *old_fops;
        if(minor>=VIDEO_NUM_DEVICES)
                return -ENODEV;
diff --git a/drivers/message/i2o/i2o_proc.c b/drivers/message/i2o/i2o_proc.c
index 2a0c42b8cda5..3d2e76eea93e 100644
--- a/drivers/message/i2o/i2o_proc.c
+++ b/drivers/message/i2o/i2o_proc.c
@@ -56,7 +56,7 @@
 typedef struct _i2o_proc_entry_t {
        char *name;             /* entry name */
        mode_t mode;            /* mode */
-        struct file_operations *fops;   /* open function */
+        const struct file_operations *fops;     /* open function */
 } i2o_proc_entry;
 /* global I2O /proc/i2o entry */
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c
index 5c550fcac2c4..26a230b6ff80 100644
--- a/drivers/misc/ibmasm/ibmasmfs.c
+++ b/drivers/misc/ibmasm/ibmasmfs.c
@@ -101,7 +101,7 @@ static struct super_operations ibmasmfs_s_ops = {
        .drop_inode     = generic_delete_inode,
 };
-static struct file_operations *ibmasmfs_dir_ops = &simple_dir_operations;
+static const struct file_operations *ibmasmfs_dir_ops = &simple_dir_operations;
 static struct file_system_type ibmasmfs_type = {
        .owner          = THIS_MODULE,
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index e7fc28b07e5a..7627a75f4f7c 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -134,6 +134,7 @@
 #include <linux/random.h>
 #include <linux/init.h>
 #include <linux/if_vlan.h>
+#include <linux/dma-mapping.h>
 #include <asm/irq.h>
 #include <asm/io.h>
@@ -2932,7 +2933,7 @@ static int __devinit nv_probe(struct pci_dev *pci_dev, const struct pci_device_i
        if (id->driver_data & DEV_HAS_HIGH_DMA) {
                /* packet format 3: supports 40-bit addressing */
                np->desc_ver = DESC_VER_3;
-                if (pci_set_dma_mask(pci_dev, 0x0000007fffffffffULL)) {
+                if (pci_set_dma_mask(pci_dev, DMA_39BIT_MASK)) {
                        printk(KERN_INFO "forcedeth: 64-bit DMA failed, using 32-bit addressing for device %s.\n",
                                        pci_name(pci_dev));
                } else {
diff --git a/drivers/net/ioc3-eth.c b/drivers/net/ioc3-eth.c
index 9b8295ee06ef..ae71ed57c12d 100644
--- a/drivers/net/ioc3-eth.c
+++ b/drivers/net/ioc3-eth.c
@@ -44,6 +44,7 @@
 #include <linux/ip.h>
 #include <linux/tcp.h>
 #include <linux/udp.h>
+#include <linux/dma-mapping.h>
 #ifdef CONFIG_SERIAL_8250
 #include <linux/serial_core.h>
@@ -1195,17 +1196,17 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        int err, pci_using_dac;
        /* Configure DMA attributes. */
-        err = pci_set_dma_mask(pdev, 0xffffffffffffffffULL);
+        err = pci_set_dma_mask(pdev, DMA_64BIT_MASK);
        if (!err) {
                pci_using_dac = 1;
-                err = pci_set_consistent_dma_mask(pdev, 0xffffffffffffffffULL);
+                err = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
                if (err < 0) {
                        printk(KERN_ERR "%s: Unable to obtain 64 bit DMA "
                               "for consistent allocations\n", pci_name(pdev));
                        goto out;
                }
        } else {
-                err = pci_set_dma_mask(pdev, 0xffffffffULL);
+                err = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
                if (err) {
                        printk(KERN_ERR "%s: No usable DMA configuration, "
                               "aborting.\n", pci_name(pdev));
diff --git a/drivers/net/irda/nsc-ircc.c b/drivers/net/irda/nsc-ircc.c
index 9aa074b44dd3..cc7ff8f00e42 100644
--- a/drivers/net/irda/nsc-ircc.c
+++ b/drivers/net/irda/nsc-ircc.c
@@ -812,7 +812,7 @@ static int nsc_ircc_init_39x(nsc_chip_t *chip, chipio_t *info)
        int cfg_base = info->cfg_base;
        int enabled;
-        /* User is shure about his config... accept it. */
+        /* User is sure about his config... accept it. */
        IRDA_DEBUG(2, "%s(): nsc_ircc_init_39x (user settings): "
                   "io=0x%04x, irq=%d, dma=%d\n", 
                   __FUNCTION__, info->fir_base, info->irq, info->dma);
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index 0c13795dca38..b79d6e8d3045 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -172,7 +172,7 @@ static struct net_device_stats *get_stats(struct net_device *dev)
        memset(stats, 0, sizeof(struct net_device_stats));
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                struct net_device_stats *lb_stats;
                lb_stats = &per_cpu(loopback_stats, i);
diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c
index 0fede50abd3e..8e9b1a537dee 100644
--- a/drivers/net/ns83820.c
+++ b/drivers/net/ns83820.c
@@ -1828,10 +1828,10 @@ static int __devinit ns83820_init_one(struct pci_dev *pci_dev, const struct pci_
        int using_dac = 0;
        /* See if we can set the dma mask early on; failure is fatal. */
-        if (sizeof(dma_addr_t) == 8 && 
+        if (sizeof(dma_addr_t) == 8 &&
-                !pci_set_dma_mask(pci_dev, 0xffffffffffffffffULL)) {
+                !pci_set_dma_mask(pci_dev, DMA_64BIT_MASK)) {
                using_dac = 1;
-        } else if (!pci_set_dma_mask(pci_dev, 0xffffffff)) {
+        } else if (!pci_set_dma_mask(pci_dev, DMA_32BIT_MASK)) {
                using_dac = 0;
        } else {
                printk(KERN_WARNING "ns83820.c: pci_set_dma_mask failed!\n");
diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c
index 8429ceb01389..b82191d2bee1 100644
--- a/drivers/net/sis900.c
+++ b/drivers/net/sis900.c
@@ -2283,7 +2283,7 @@ static void set_rx_mode(struct net_device *net_dev)
        int i, table_entries;
        u32 rx_mode;
-        /* 635 Hash Table entires = 256(2^16) */
+        /* 635 Hash Table entries = 256(2^16) */
        if((sis_priv->chipset_rev >= SIS635A_900_REV) ||
                        (sis_priv->chipset_rev == SIS900B_900_REV))
                table_entries = 16;
diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c
index ee48bfd67349..d1a86a080a65 100644
--- a/drivers/net/tulip/de4x5.c
+++ b/drivers/net/tulip/de4x5.c
@@ -513,7 +513,7 @@ struct mii_phy {
    u_char  *rst;           /* Start of reset sequence in SROM           */
    u_int mc;               /* Media Capabilities                        */
    u_int ana;              /* NWay Advertisement                        */
-    u_int fdx;              /* Full DupleX capabilites for each media    */
+    u_int fdx;              /* Full DupleX capabilities for each media   */
    u_int ttm;              /* Transmit Threshold Mode for each media    */
    u_int mci;              /* 21142 MII Connector Interrupt info        */
 };
diff --git a/drivers/net/tulip/pnic2.c b/drivers/net/tulip/pnic2.c
index 55f4a9a631bc..ab985023fcca 100644
--- a/drivers/net/tulip/pnic2.c
+++ b/drivers/net/tulip/pnic2.c
@@ -199,7 +199,7 @@ void pnic2_lnk_change(struct net_device *dev, int csr5)
                       /* negotiation ended successfully */
                       /* get the link partners reply and mask out all but
-                        * bits 24-21 which show the partners capabilites
+                        * bits 24-21 which show the partners capabilities
                        * and match those to what we advertised
                        *
                        * then begin to interpret the results of the negotiation.
diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c
index cde35dd87906..c1ce87a5f8d3 100644
--- a/drivers/net/typhoon.c
+++ b/drivers/net/typhoon.c
@@ -208,7 +208,7 @@ static const struct typhoon_card_info typhoon_card_info[] __devinitdata = {
 };
 /* Notes on the new subsystem numbering scheme:
- * bits 0-1 indicate crypto capabilites: (0) variable, (1) DES, or (2) 3DES
+ * bits 0-1 indicate crypto capabilities: (0) variable, (1) DES, or (2) 3DES
 * bit 4 indicates if this card has secured firmware (we don't support it)
 * bit 8 indicates if this is a (0) copper or (1) fiber card
 * bits 12-16 indicate card type: (0) client and (1) server
@@ -788,7 +788,7 @@ typhoon_start_tx(struct sk_buff *skb, struct net_device *dev)
        /* we have two rings to choose from, but we only use txLo for now
         * If we start using the Hi ring as well, we'll need to update
         * typhoon_stop_runtime(), typhoon_interrupt(), typhoon_num_free_tx(),
-         * and TXHI_ENTIRES to match, as well as update the TSO code below
+         * and TXHI_ENTRIES to match, as well as update the TSO code below
         * to get the right DMA address
         */
        txRing = &tp->txLoRing;
diff --git a/drivers/net/wan/wanxl.c b/drivers/net/wan/wanxl.c
index 9d3b51c3ef54..29a756dd979b 100644
--- a/drivers/net/wan/wanxl.c
+++ b/drivers/net/wan/wanxl.c
@@ -577,8 +577,8 @@ static int __devinit wanxl_pci_init_one(struct pci_dev *pdev,
           We set both dma_mask and consistent_dma_mask to 28 bits
           and pray pci_alloc_consistent() will use this info. It should
           work on most platforms */
-        if (pci_set_consistent_dma_mask(pdev, 0x0FFFFFFF) ||
+        if (pci_set_consistent_dma_mask(pdev, DMA_28BIT_MASK) ||
-            pci_set_dma_mask(pdev, 0x0FFFFFFF)) {
+            pci_set_dma_mask(pdev, DMA_28BIT_MASK)) {
                printk(KERN_ERR "wanXL: No usable DMA configuration\n");
                return -EIO;
        }
diff --git a/drivers/net/wireless/orinoco.c b/drivers/net/wireless/orinoco.c
index 6fd0bf736830..8dfdfbd5966c 100644
--- a/drivers/net/wireless/orinoco.c
+++ b/drivers/net/wireless/orinoco.c
@@ -3858,7 +3858,7 @@ static int orinoco_ioctl_setscan(struct net_device *dev,
        unsigned long flags;
        /* Note : you may have realised that, as this is a SET operation,
-         * this is priviledged and therefore a normal user can't
+         * this is privileged and therefore a normal user can't
         * perform scanning.
         * This is not an error, while the device perform scanning,
         * traffic doesn't flow, so it's a perfect DoS...
diff --git a/drivers/net/wireless/prism54/isl_ioctl.c b/drivers/net/wireless/prism54/isl_ioctl.c
index e5bb9f5ae429..989599ad33ef 100644
--- a/drivers/net/wireless/prism54/isl_ioctl.c
+++ b/drivers/net/wireless/prism54/isl_ioctl.c
@@ -747,7 +747,7 @@ prism54_get_essid(struct net_device *ndev, struct iw_request_info *info,
        if (essid->length) {
                dwrq->flags = 1;        /* set ESSID to ON for Wireless Extensions */
-                /* if it is to big, trunk it */
+                /* if it is too big, trunk it */
                dwrq->length = min((u8)IW_ESSID_MAX_SIZE, essid->length);
        } else {
                dwrq->flags = 0;
diff --git a/drivers/net/wireless/prism54/islpci_hotplug.c b/drivers/net/wireless/prism54/islpci_hotplug.c
index b41d666fea3c..bfa0cc319a09 100644
--- a/drivers/net/wireless/prism54/islpci_hotplug.c
+++ b/drivers/net/wireless/prism54/islpci_hotplug.c
@@ -22,6 +22,7 @@
 #include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/init.h> /* For __init, __exit */
+#include <linux/dma-mapping.h>
 #include "prismcompat.h"
 #include "islpci_dev.h"
@@ -124,7 +125,7 @@ prism54_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        }
        /* enable PCI DMA */
-        if (pci_set_dma_mask(pdev, 0xffffffff)) {
+        if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
                printk(KERN_ERR "%s: 32-bit PCI DMA not supported", DRV_NAME);
                goto do_pci_disable_device;
        }
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index 330d3869b41e..fc4bc9b94c74 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -217,11 +217,10 @@ static void oprofile_end_trace(struct oprofile_cpu_buffer * cpu_buf)
        cpu_buf->tracing = 0;
 }
-void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
+void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,
+                                unsigned long event, int is_kernel)
 {
        struct oprofile_cpu_buffer * cpu_buf = &cpu_buffer[smp_processor_id()];
-        unsigned long pc = profile_pc(regs);
-        int is_kernel = !user_mode(regs);
        if (!backtrace_depth) {
                log_sample(cpu_buf, pc, is_kernel, event);
@@ -238,6 +237,14 @@ void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
        oprofile_end_trace(cpu_buf);
 }
+void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
+{
+        int is_kernel = !user_mode(regs);
+        unsigned long pc = profile_pc(regs);
+        oprofile_add_ext_sample(pc, regs, event, is_kernel);
+}
 void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event)
 {
        struct oprofile_cpu_buffer * cpu_buf = &cpu_buffer[smp_processor_id()];
diff --git a/drivers/oprofile/oprofile_stats.c b/drivers/oprofile/oprofile_stats.c
index e94b1e4a2a84..f0acb661c253 100644
--- a/drivers/oprofile/oprofile_stats.c
+++ b/drivers/oprofile/oprofile_stats.c
@@ -22,7 +22,7 @@ void oprofile_reset_stats(void)
        struct oprofile_cpu_buffer * cpu_buf; 
        int i;
 
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                cpu_buf = &cpu_buffer[i]; 
                cpu_buf->sample_received = 0;
                cpu_buf->sample_lost_overflow = 0;
@@ -46,7 +46,7 @@ void oprofile_create_stats_files(struct super_block * sb, struct dentry * root)
        if (!dir)
                return;
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                cpu_buf = &cpu_buffer[i]; 
                snprintf(buf, 10, "cpu%d", i);
                cpudir = oprofilefs_mkdir(sb, dir, buf);
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c
index d6bae699749a..b62da9b0cbf0 100644
--- a/drivers/oprofile/oprofilefs.c
+++ b/drivers/oprofile/oprofilefs.c
@@ -130,7 +130,7 @@ static struct file_operations ulong_ro_fops = {
 static struct dentry * __oprofilefs_create_file(struct super_block * sb,
-        struct dentry * root, char const * name, struct file_operations * fops,
+        struct dentry * root, char const * name, const struct file_operations * fops,
        int perm)
 {
        struct dentry * dentry;
@@ -203,7 +203,7 @@ int oprofilefs_create_ro_atomic(struct super_block * sb, struct dentry * root,
 
 int oprofilefs_create_file(struct super_block * sb, struct dentry * root,
-        char const * name, struct file_operations * fops)
+        char const * name, const struct file_operations * fops)
 {
        if (!__oprofilefs_create_file(sb, root, name, fops, 0644))
                return -EFAULT;
@@ -212,7 +212,7 @@ int oprofilefs_create_file(struct super_block * sb, struct dentry * root,
 int oprofilefs_create_file_perm(struct super_block * sb, struct dentry * root,
-        char const * name, struct file_operations * fops, int perm)
+        char const * name, const struct file_operations * fops, int perm)
 {
        if (!__oprofilefs_create_file(sb, root, name, fops, perm))
                return -EFAULT;
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index 0ab26d01877b..0d2b447c50ed 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -1026,7 +1026,7 @@ static void twa_free_request_id(TW_Device_Extension *tw_dev, int request_id)
        tw_dev->free_tail = (tw_dev->free_tail + 1) % TW_Q_LENGTH;
 } /* End twa_free_request_id() */
-/* This function will get parameter table entires from the firmware */
+/* This function will get parameter table entries from the firmware */
 static void *twa_get_param(TW_Device_Extension *tw_dev, int request_id, int table_id, int parameter_id, int parameter_size_bytes)
 {
        TW_Command_Full *full_command_packet;
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index 1c459343292b..bde3d5834ade 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -41,6 +41,8 @@
 #include <linux/stat.h>
 #include <linux/pci.h>
 #include <linux/spinlock.h>
+#include <linux/jiffies.h>
+#include <linux/dma-mapping.h>
 #include <scsi/scsicam.h>
 #include <asm/dma.h>
@@ -676,7 +678,7 @@ static int __init BusLogic_InitializeMultiMasterProbeInfo(struct BusLogic_HostAd
                if (pci_enable_device(PCI_Device))
                        continue;
-                if (pci_set_dma_mask(PCI_Device, (u64) 0xffffffff))
+                if (pci_set_dma_mask(PCI_Device, DMA_32BIT_MASK ))
                        continue;
                Bus = PCI_Device->bus->number;
@@ -831,7 +833,7 @@ static int __init BusLogic_InitializeMultiMasterProbeInfo(struct BusLogic_HostAd
                if (pci_enable_device(PCI_Device))
                        continue;
-                if (pci_set_dma_mask(PCI_Device, (u64) 0xffffffff))
+                if (pci_set_dma_mask(PCI_Device, DMA_32BIT_MASK))
                        continue;
                Bus = PCI_Device->bus->number;
@@ -885,7 +887,7 @@ static int __init BusLogic_InitializeFlashPointProbeInfo(struct BusLogic_HostAda
                if (pci_enable_device(PCI_Device))
                        continue;
-                if (pci_set_dma_mask(PCI_Device, (u64) 0xffffffff))
+                if (pci_set_dma_mask(PCI_Device, DMA_32BIT_MASK))
                        continue;
                Bus = PCI_Device->bus->number;
@@ -2896,7 +2898,7 @@ static int BusLogic_QueueCommand(struct scsi_cmnd *Command, void (*CompletionRou
                 */
                if (HostAdapter->ActiveCommands[TargetID] == 0)
                        HostAdapter->LastSequencePoint[TargetID] = jiffies;
-                else if (jiffies - HostAdapter->LastSequencePoint[TargetID] > 4 * HZ) {
+                else if (time_after(jiffies, HostAdapter->LastSequencePoint[TargetID] + 4 * HZ)) {
                        HostAdapter->LastSequencePoint[TargetID] = jiffies;
                        QueueTag = BusLogic_OrderedQueueTag;
                }
diff --git a/drivers/scsi/a100u2w.c b/drivers/scsi/a100u2w.c
index 9f45ae1745da..3dce21c78737 100644
--- a/drivers/scsi/a100u2w.c
+++ b/drivers/scsi/a100u2w.c
@@ -89,6 +89,7 @@
 #include <linux/string.h>
 #include <linux/ioport.h>
 #include <linux/slab.h>
+#include <linux/dma-mapping.h>
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -1052,7 +1053,7 @@ static int __devinit inia100_probe_one(struct pci_dev *pdev,
        if (pci_enable_device(pdev))
                goto out;
-        if (pci_set_dma_mask(pdev, 0xffffffffULL)) {
+        if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
                printk(KERN_WARNING "Unable to set 32bit DMA "
                                    "on inia100 adapter, ignoring.\n");
                goto out_disable_device;
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index a16f8ded8f1d..8df4a0ea3761 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -32,6 +32,7 @@
 #include <linux/slab.h>
 #include <linux/completion.h>
 #include <linux/blkdev.h>
+#include <linux/dma-mapping.h>
 #include <asm/semaphore.h>
 #include <asm/uaccess.h>
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index c2596335549d..720330778648 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -45,6 +45,7 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/spinlock.h>
+#include <linux/dma-mapping.h>
 #include <linux/syscalls.h>
 #include <linux/delay.h>
 #include <linux/smp_lock.h>
@@ -806,8 +807,8 @@ static int __devinit aac_probe_one(struct pci_dev *pdev,
         * to driver communication memory to be allocated below 2gig
         */
        if (aac_drivers[index].quirks & AAC_QUIRK_31BIT) 
-                if (pci_set_dma_mask(pdev, 0x7FFFFFFFULL) ||
+                if (pci_set_dma_mask(pdev, DMA_31BIT_MASK) ||
-                                pci_set_consistent_dma_mask(pdev, 0x7FFFFFFFULL))
+                                pci_set_consistent_dma_mask(pdev, DMA_31BIT_MASK))
                        goto out;
        
        pci_set_master(pdev);
diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index 5227a779c05c..a198d86667e9 100644
--- a/drivers/scsi/atp870u.c
+++ b/drivers/scsi/atp870u.c
@@ -28,6 +28,7 @@
 #include <linux/spinlock.h>
 #include <linux/pci.h>
 #include <linux/blkdev.h>
+#include <linux/dma-mapping.h>
 #include <asm/system.h>
 #include <asm/io.h>
@@ -2631,7 +2632,7 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
        if (pci_enable_device(pdev))
                return -EIO;
-        if (!pci_set_dma_mask(pdev, 0xFFFFFFFFUL)) {
+        if (!pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
                printk(KERN_INFO "atp870u: use 32bit DMA mask.\n");
        } else {
                printk(KERN_ERR "atp870u: DMA mask required but not available.\n");
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 6e6b293dcb28..b1b704a42efd 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -57,6 +57,7 @@ MODULE_DESCRIPTION("Adaptec I2O RAID Driver");
 #include <linux/reboot.h>
 #include <linux/spinlock.h>
 #include <linux/smp_lock.h>
+#include <linux/dma-mapping.h>
 #include <linux/timer.h>
 #include <linux/string.h>
@@ -906,8 +907,8 @@ static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev
        }
        pci_set_master(pDev);
-        if (pci_set_dma_mask(pDev, 0xffffffffffffffffULL) &&
+        if (pci_set_dma_mask(pDev, DMA_64BIT_MASK) &&
-            pci_set_dma_mask(pDev, 0xffffffffULL))
+            pci_set_dma_mask(pDev, DMA_32BIT_MASK))
                return -EINVAL;
        base_addr0_phys = pci_resource_start(pDev,0);
diff --git a/drivers/scsi/eata.c b/drivers/scsi/eata.c
index b3f9de8f7595..059eeee4b554 100644
--- a/drivers/scsi/eata.c
+++ b/drivers/scsi/eata.c
@@ -490,6 +490,7 @@
 #include <linux/init.h>
 #include <linux/ctype.h>
 #include <linux/spinlock.h>
+#include <linux/dma-mapping.h>
 #include <asm/byteorder.h>
 #include <asm/dma.h>
 #include <asm/io.h>
@@ -1426,7 +1427,7 @@ static int port_detect(unsigned long port_base, unsigned int j,
        if (ha->pdev) {
                pci_set_master(ha->pdev);
-                if (pci_set_dma_mask(ha->pdev, 0xffffffff))
+                if (pci_set_dma_mask(ha->pdev, DMA_32BIT_MASK))
                        printk("%s: warning, pci_set_dma_mask failed.\n",
                               ha->board_name);
        }
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 7f7013e80a88..d5740bbdef3e 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -388,6 +388,7 @@
 #include <linux/proc_fs.h>
 #include <linux/time.h>
 #include <linux/timer.h>
+#include <linux/dma-mapping.h>
 #ifdef GDTH_RTC
 #include <linux/mc146818rtc.h>
 #endif
@@ -4527,15 +4528,15 @@ static int __init gdth_detect(struct scsi_host_template *shtp)
            if (!(ha->cache_feat & ha->raw_feat & ha->screen_feat &GDT_64BIT)||
                /* 64-bit DMA only supported from FW >= x.43 */
                (!ha->dma64_support)) {
-                if (pci_set_dma_mask(pcistr[ctr].pdev, 0xffffffff)) {
+                if (pci_set_dma_mask(pcistr[ctr].pdev, DMA_32BIT_MASK)) {
                    printk(KERN_WARNING "GDT-PCI %d: Unable to set 32-bit DMA\n", hanum);
                    err = TRUE;
                }
            } else {
                shp->max_cmd_len = 16;
-                if (!pci_set_dma_mask(pcistr[ctr].pdev, 0xffffffffffffffffULL)) {
+                if (!pci_set_dma_mask(pcistr[ctr].pdev, DMA_64BIT_MASK)) {
                    printk("GDT-PCI %d: 64-bit DMA enabled\n", hanum);
-                } else if (pci_set_dma_mask(pcistr[ctr].pdev, 0xffffffff)) {
+                } else if (pci_set_dma_mask(pcistr[ctr].pdev, DMA_32BIT_MASK)) {
                    printk(KERN_WARNING "GDT-PCI %d: Unable to set 64/32-bit DMA\n", hanum);
                    err = TRUE;
                }
diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c
index ea6f3c0e05d9..0cc7f65b584f 100644
--- a/drivers/scsi/initio.c
+++ b/drivers/scsi/initio.c
@@ -127,6 +127,7 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/jiffies.h>
+#include <linux/dma-mapping.h>
 #include <asm/io.h>
 #include <scsi/scsi.h>
@@ -2780,7 +2781,7 @@ static int tul_NewReturnNumberOfAdapters(void)
                        if (((dRegValue & 0xFF00) >> 8) == 0xFF)
                                dRegValue = 0;
                        wBIOS = (wBIOS << 8) + ((UWORD) ((dRegValue & 0xFF00) >> 8));
-                        if (pci_set_dma_mask(pDev, 0xffffffff)) {
+                        if (pci_set_dma_mask(pDev, DMA_32BIT_MASK)) {
                                printk(KERN_WARNING 
                                       "i91u: Could not set 32 bit DMA mask\n");
                                continue;
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index 481708d527ae..a4c0b04cfdbd 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -179,6 +179,7 @@
 #include <linux/blkdev.h>
 #include <linux/types.h>
+#include <linux/dma-mapping.h>
 #include <scsi/sg.h>
@@ -7284,10 +7285,10 @@ ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr)
         * are guaranteed to be < 4G.
         */
        if (IPS_ENABLE_DMA64 && IPS_HAS_ENH_SGLIST(ha) &&
-            !pci_set_dma_mask(ha->pcidev, 0xffffffffffffffffULL)) {
+            !pci_set_dma_mask(ha->pcidev, DMA_64BIT_MASK)) {
                (ha)->flags |= IPS_HA_ENH_SG;
        } else {
-                if (pci_set_dma_mask(ha->pcidev, 0xffffffffULL) != 0) {
+                if (pci_set_dma_mask(ha->pcidev, DMA_32BIT_MASK) != 0) {
                        printk(KERN_WARNING "Unable to set DMA Mask\n");
                        return ips_abort_init(ha, index);
                }
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 7144674bc8e6..80b68a2481b3 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -45,6 +45,7 @@
 #include <linux/interrupt.h>
 #include <linux/pci.h>
 #include <linux/init.h>
+#include <linux/dma-mapping.h>
 #include <scsi/scsicam.h>
 #include "scsi.h"
@@ -2094,7 +2095,7 @@ make_local_pdev(adapter_t *adapter, struct pci_dev **pdev)
        memcpy(*pdev, adapter->dev, sizeof(struct pci_dev));
-        if( pci_set_dma_mask(*pdev, 0xffffffff) != 0 ) {
+        if( pci_set_dma_mask(*pdev, DMA_32BIT_MASK) != 0 ) {
                kfree(*pdev);
                return -1;
        }
@@ -4859,10 +4860,10 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
        /* Set the Mode of addressing to 64 bit if we can */
        if ((adapter->flag & BOARD_64BIT) && (sizeof(dma_addr_t) == 8)) {
-                pci_set_dma_mask(pdev, 0xffffffffffffffffULL);
+                pci_set_dma_mask(pdev, DMA_64BIT_MASK);
                adapter->has_64bit_addr = 1;
        } else  {
-                pci_set_dma_mask(pdev, 0xffffffff);
+                pci_set_dma_mask(pdev, DMA_32BIT_MASK);
                adapter->has_64bit_addr = 0;
        }
                
diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c
index a279ebb61447..30ee0ef4b459 100644
--- a/drivers/scsi/nsp32.c
+++ b/drivers/scsi/nsp32.c
@@ -38,6 +38,7 @@
 #include <linux/pci.h>
 #include <linux/delay.h>
 #include <linux/ctype.h>
+#include <linux/dma-mapping.h>
 #include <asm/dma.h>
 #include <asm/system.h>
@@ -2776,7 +2777,7 @@ static int nsp32_detect(struct scsi_host_template *sht)
        /*
         * setup DMA 
         */
-        if (pci_set_dma_mask(PCIDEV, 0xffffffffUL) != 0) {
+        if (pci_set_dma_mask(PCIDEV, DMA_32BIT_MASK) != 0) {
                nsp32_msg (KERN_ERR, "failed to set PCI DMA mask");
                goto scsi_unregister;
        }
diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index 66ea47a9c53c..e3bd4bc339f4 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -49,6 +49,7 @@ static const char * osst_version = "0.99.4";
 #include <linux/blkdev.h>
 #include <linux/moduleparam.h>
 #include <linux/delay.h>
+#include <linux/jiffies.h>
 #include <asm/uaccess.h>
 #include <asm/dma.h>
 #include <asm/system.h>
@@ -856,7 +857,7 @@ static int osst_wait_frame(struct osst_tape * STp, struct osst_request ** aSRpnt
                    ) && result >= 0)
                {
 #if DEBUG                       
-                        if (debugging || jiffies - startwait >= 2*HZ/OSST_POLL_PER_SEC)
+                        if (debugging || time_after_eq(jiffies, startwait + 2*HZ/OSST_POLL_PER_SEC))
                                printk (OSST_DEB_MSG
                                        "%s:D: Succ wait f fr %i (>%i): %i-%i %i (%i): %3li.%li s\n",
                                        name, curr, curr+minlast, STp->first_frame_position,
@@ -867,7 +868,7 @@ static int osst_wait_frame(struct osst_tape * STp, struct osst_request ** aSRpnt
                        return 0;
                }
 #if DEBUG
-                if (jiffies - startwait >= 2*HZ/OSST_POLL_PER_SEC && notyetprinted)
+                if (time_after_eq(jiffies, startwait + 2*HZ/OSST_POLL_PER_SEC) && notyetprinted)
                {
                        printk (OSST_DEB_MSG "%s:D: Wait for frame %i (>%i): %i-%i %i (%i)\n",
                                name, curr, curr+minlast, STp->first_frame_position,
diff --git a/drivers/scsi/ppa.c b/drivers/scsi/ppa.c
index 05347eed9dd5..fee843fab1c7 100644
--- a/drivers/scsi/ppa.c
+++ b/drivers/scsi/ppa.c
@@ -18,6 +18,7 @@
 #include <linux/parport.h>
 #include <linux/workqueue.h>
 #include <linux/delay.h>
+#include <linux/jiffies.h>
 #include <asm/io.h>
 #include <scsi/scsi.h>
@@ -726,7 +727,7 @@ static int ppa_engine(ppa_struct *dev, struct scsi_cmnd *cmd)
                                retv--;
                        if (retv) {
-                                if ((jiffies - dev->jstart) > (1 * HZ)) {
+                                if (time_after(jiffies, dev->jstart + (1 * HZ))) {
                                        printk
                                            ("ppa: Parallel port cable is unplugged!!\n");
                                        ppa_fail(dev, DID_BUS_BUSY);
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index e0230249fa0f..5a48e55f9418 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -350,6 +350,7 @@
 #include <linux/pci_ids.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
+#include <linux/dma-mapping.h>
 #include <asm/io.h>
 #include <asm/irq.h>
@@ -4321,7 +4322,7 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 #ifdef QLA_64BIT_PTR
        if (pci_set_dma_mask(ha->pdev, (dma_addr_t) ~ 0ULL)) {
-                if (pci_set_dma_mask(ha->pdev, 0xffffffff)) {
+                if (pci_set_dma_mask(ha->pdev, DMA_32BIT_MASK)) {
                        printk(KERN_WARNING "scsi(%li): Unable to set a "
                               "suitable DMA mask - aborting\n", ha->host_no);
                        error = -ENODEV;
@@ -4331,7 +4332,7 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
                dprintk(2, "scsi(%li): 64 Bit PCI Addressing Enabled\n",
                        ha->host_no);
 #else
-        if (pci_set_dma_mask(ha->pdev, 0xffffffff)) {
+        if (pci_set_dma_mask(ha->pdev, DMA_32BIT_MASK)) {
                printk(KERN_WARNING "scsi(%li): Unable to set a "
                       "suitable DMA mask - aborting\n", ha->host_no);
                error = -ENODEV;
diff --git a/drivers/scsi/qlogicfc.c b/drivers/scsi/qlogicfc.c
index 94ef3f08d378..52b224a5d6fd 100644
--- a/drivers/scsi/qlogicfc.c
+++ b/drivers/scsi/qlogicfc.c
@@ -61,6 +61,8 @@
 #include <linux/unistd.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
+#include <linux/dma-mapping.h>
+#include <linux/jiffies.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include "scsi.h"
@@ -737,8 +739,8 @@ static int isp2x00_detect(struct scsi_host_template * tmpt)
                                continue;
                        /* Try to configure DMA attributes. */
-                        if (pci_set_dma_mask(pdev, 0xffffffffffffffffULL) &&
+                        if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) &&
-                            pci_set_dma_mask(pdev, 0xffffffffULL))
+                            pci_set_dma_mask(pdev, DMA_32BIT_MASK))
                                        continue;
                        host = scsi_register(tmpt, sizeof(struct isp2x00_hostdata));
@@ -1325,7 +1327,7 @@ static int isp2x00_queuecommand(Scsi_Cmnd * Cmnd, void (*done) (Scsi_Cmnd *))
                cmd->control_flags = cpu_to_le16(CFLAG_READ);
        if (Cmnd->device->tagged_supported) {
-                if ((jiffies - hostdata->tag_ages[Cmnd->device->id]) > (2 * ISP_TIMEOUT)) {
+                if (time_after(jiffies, hostdata->tag_ages[Cmnd->device->id] + (2 * ISP_TIMEOUT))) {
                        cmd->control_flags |= cpu_to_le16(CFLAG_ORDERED_TAG);
                        hostdata->tag_ages[Cmnd->device->id] = jiffies;
                } else
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 1fd5fc6d0fe3..c7e78dcf09df 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -24,6 +24,7 @@
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
 #include <linux/module.h>
+#include <linux/jiffies.h>
 #include <asm/byteorder.h>
@@ -1017,7 +1018,7 @@ static inline void cmd_frob(struct Command_Entry *cmd, struct scsi_cmnd *Cmnd,
        if (Cmnd->device->tagged_supported) {
                if (qpti->cmd_count[Cmnd->device->id] == 0)
                        qpti->tag_ages[Cmnd->device->id] = jiffies;
-                if ((jiffies - qpti->tag_ages[Cmnd->device->id]) > (5*HZ)) {
+                if (time_after(jiffies, qpti->tag_ages[Cmnd->device->id] + (5*HZ))) {
                        cmd->control_flags = CFLAG_ORDERED_TAG;
                        qpti->tag_ages[Cmnd->device->id] = jiffies;
                } else
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 5996d3cd0ed8..674b15c78f68 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1528,7 +1528,7 @@ static int serial8250_startup(struct uart_port *port)
        /*
         * Clear the FIFO buffers and disable them.
-         * (they will be reeanbled in set_termios())
+         * (they will be reenabled in set_termios())
         */
        serial8250_clear_fifos(up);
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index b848b7d94412..3bdee64d1a99 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -483,7 +483,7 @@ static int serial_txx9_startup(struct uart_port *port)
        /*
         * Clear the FIFO buffers and disable them.
-         * (they will be reeanbled in set_termios())
+         * (they will be reenabled in set_termios())
         */
        sio_set(up, TXX9_SIFCR,
                TXX9_SIFCR_TFRST | TXX9_SIFCR_RFRST | TXX9_SIFCR_FRSTE);
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index 9fe2283d91e5..1c4396c2962d 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -641,7 +641,7 @@ static int sunsu_startup(struct uart_port *port)
        /*
         * Clear the FIFO buffers and disable them.
-         * (they will be reeanbled in set_termios())
+         * (they will be reenabled in set_termios())
         */
        if (uart_config[up->port.type].flags & UART_CLEAR_FIFO) {
                serial_outp(up, UART_FCR, UART_FCR_ENABLE_FIFO);
diff --git a/drivers/telephony/phonedev.c b/drivers/telephony/phonedev.c
index 7a6db1c5c8c5..e166fffea86b 100644
--- a/drivers/telephony/phonedev.c
+++ b/drivers/telephony/phonedev.c
@@ -49,7 +49,7 @@ static int phone_open(struct inode *inode, struct file *file)
        unsigned int minor = iminor(inode);
        int err = 0;
        struct phone_device *p;
-        struct file_operations *old_fops, *new_fops = NULL;
+        const struct file_operations *old_fops, *new_fops = NULL;
        if (minor >= PHONE_NUM_DEVICES)
                return -ENODEV;
diff --git a/drivers/usb/core/file.c b/drivers/usb/core/file.c
index 37b13368c814..b263a54a13c0 100644
--- a/drivers/usb/core/file.c
+++ b/drivers/usb/core/file.c
@@ -24,15 +24,15 @@
 #include "usb.h"
 #define MAX_USB_MINORS  256
-static struct file_operations *usb_minors[MAX_USB_MINORS];
+static const struct file_operations *usb_minors[MAX_USB_MINORS];
 static DEFINE_SPINLOCK(minor_lock);
 static int usb_open(struct inode * inode, struct file * file)
 {
        int minor = iminor(inode);
-        struct file_operations *c;
+        const struct file_operations *c;
        int err = -ENODEV;
-        struct file_operations *old_fops, *new_fops = NULL;
+        const struct file_operations *old_fops, *new_fops = NULL;
        spin_lock (&minor_lock);
        c = usb_minors[minor];
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index b44cfda76b61..3f618ce6998d 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1581,7 +1581,7 @@ restart:
 static struct inode *
 gadgetfs_create_file (struct super_block *sb, char const *name,
-                void *data, struct file_operations *fops,
+                void *data, const struct file_operations *fops,
                struct dentry **dentry_p);
 static int activate_ep_files (struct dev_data *dev)
@@ -1955,7 +1955,7 @@ module_param (default_perm, uint, 0644);
 static struct inode *
 gadgetfs_make_inode (struct super_block *sb,
-                void *data, struct file_operations *fops,
+                void *data, const struct file_operations *fops,
                int mode)
 {
        struct inode *inode = new_inode (sb);
@@ -1979,7 +1979,7 @@ gadgetfs_make_inode (struct super_block *sb,
 */
 static struct inode *
 gadgetfs_create_file (struct super_block *sb, char const *name,
-                void *data, struct file_operations *fops,
+                void *data, const struct file_operations *fops,
                struct dentry **dentry_p)
 {
        struct dentry   *dentry;
diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
index 372527a83593..682bf2215660 100644
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -158,7 +158,7 @@ static int ohci_s3c2410_hub_control (
                "s3c2410_hub_control(%p,0x%04x,0x%04x,0x%04x,%p,%04x)\n",
                hcd, typeReq, wValue, wIndex, buf, wLength);
-        /* if we are only an humble host without any special capabilites
+        /* if we are only an humble host without any special capabilities
         * process the request straight away and exit */
        if (info == NULL) {
diff --git a/drivers/usb/net/zaurus.c b/drivers/usb/net/zaurus.c
index 9c5ab251370c..f7ac9d6b9856 100644
--- a/drivers/usb/net/zaurus.c
+++ b/drivers/usb/net/zaurus.c
@@ -217,7 +217,7 @@ static int blan_mdlm_bind(struct usbnet *dev, struct usb_interface *intf)
                         * with devices that use it and those that don't.
                         */
                        if ((detail->bDetailData[1] & ~0x02) != 0x01) {
-                                /* bmDataCapabilites == 0 would be fine too,
+                                /* bmDataCapabilities == 0 would be fine too,
                                 * but framing is minidriver-coupled for now.
                                 */
 bad_detail:
diff --git a/fs/9p/v9fs_vfs.h b/fs/9p/v9fs_vfs.h
index 43c9f7de0314..f867b8d3e973 100644
--- a/fs/9p/v9fs_vfs.h
+++ b/fs/9p/v9fs_vfs.h
@@ -39,8 +39,8 @@
 extern struct file_system_type v9fs_fs_type;
 extern struct address_space_operations v9fs_addr_operations;
-extern struct file_operations v9fs_file_operations;
+extern const struct file_operations v9fs_file_operations;
-extern struct file_operations v9fs_dir_operations;
+extern const struct file_operations v9fs_dir_operations;
 extern struct dentry_operations v9fs_dentry_operations;
 struct inode *v9fs_get_inode(struct super_block *sb, int mode);
diff --git a/fs/9p/vfs_dir.c b/fs/9p/vfs_dir.c
index 766f11f1215c..e32d5971039b 100644
--- a/fs/9p/vfs_dir.c
+++ b/fs/9p/vfs_dir.c
@@ -204,7 +204,7 @@ int v9fs_dir_release(struct inode *inode, struct file *filp)
        return 0;
 }
-struct file_operations v9fs_dir_operations = {
+const struct file_operations v9fs_dir_operations = {
        .read = generic_read_dir,
        .readdir = v9fs_dir_readdir,
        .open = v9fs_file_open,
diff --git a/fs/9p/vfs_file.c b/fs/9p/vfs_file.c
index 59e744163407..083dcfcd158e 100644
--- a/fs/9p/vfs_file.c
+++ b/fs/9p/vfs_file.c
@@ -266,7 +266,7 @@ v9fs_file_write(struct file *filp, const char __user * data,
        return total;
 }
-struct file_operations v9fs_file_operations = {
+const struct file_operations v9fs_file_operations = {
        .llseek = generic_file_llseek,
        .read = v9fs_file_read,
        .write = v9fs_file_write,
diff --git a/fs/adfs/adfs.h b/fs/adfs/adfs.h
index f6cd01352cc8..29217ff36d44 100644
--- a/fs/adfs/adfs.h
+++ b/fs/adfs/adfs.h
@@ -85,7 +85,7 @@ void __adfs_error(struct super_block *sb, const char *function,
 /* dir_*.c */
 extern struct inode_operations adfs_dir_inode_operations;
-extern struct file_operations adfs_dir_operations;
+extern const struct file_operations adfs_dir_operations;
 extern struct dentry_operations adfs_dentry_operations;
 extern struct adfs_dir_ops adfs_f_dir_ops;
 extern struct adfs_dir_ops adfs_fplus_dir_ops;
@@ -94,7 +94,7 @@ extern int adfs_dir_update(struct super_block *sb, struct object_info *obj);
 /* file.c */
 extern struct inode_operations adfs_file_inode_operations;
-extern struct file_operations adfs_file_operations;
+extern const struct file_operations adfs_file_operations;
 static inline __u32 signed_asl(__u32 val, signed int shift)
 {
diff --git a/fs/adfs/dir.c b/fs/adfs/dir.c
index 0b4c3a028076..7b075fc397da 100644
--- a/fs/adfs/dir.c
+++ b/fs/adfs/dir.c
@@ -196,7 +196,7 @@ out:
        return ret;
 }
-struct file_operations adfs_dir_operations = {
+const struct file_operations adfs_dir_operations = {
        .read           = generic_read_dir,
        .readdir        = adfs_readdir,
        .fsync          = file_fsync,
diff --git a/fs/adfs/file.c b/fs/adfs/file.c
index 6af10885f9d6..1014b9f2117b 100644
--- a/fs/adfs/file.c
+++ b/fs/adfs/file.c
@@ -25,7 +25,7 @@
 #include "adfs.h"
-struct file_operations adfs_file_operations = {
+const struct file_operations adfs_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_file_read,
        .mmap           = generic_file_mmap,
diff --git a/fs/affs/affs.h b/fs/affs/affs.h
index 0c6799f2137a..a43a876742b8 100644
--- a/fs/affs/affs.h
+++ b/fs/affs/affs.h
@@ -192,9 +192,9 @@ extern void   affs_dir_truncate(struct inode *);
 extern struct inode_operations   affs_file_inode_operations;
 extern struct inode_operations   affs_dir_inode_operations;
 extern struct inode_operations   affs_symlink_inode_operations;
-extern struct file_operations    affs_file_operations;
+extern const struct file_operations      affs_file_operations;
-extern struct file_operations    affs_file_operations_ofs;
+extern const struct file_operations      affs_file_operations_ofs;
-extern struct file_operations    affs_dir_operations;
+extern const struct file_operations      affs_dir_operations;
 extern struct address_space_operations   affs_symlink_aops;
 extern struct address_space_operations   affs_aops;
 extern struct address_space_operations   affs_aops_ofs;
diff --git a/fs/affs/dir.c b/fs/affs/dir.c
index 548efd0ee98c..5d9649fa1814 100644
--- a/fs/affs/dir.c
+++ b/fs/affs/dir.c
@@ -17,7 +17,7 @@
 static int affs_readdir(struct file *, void *, filldir_t);
-struct file_operations affs_dir_operations = {
+const struct file_operations affs_dir_operations = {
        .read           = generic_read_dir,
        .readdir        = affs_readdir,
        .fsync          = file_fsync,
diff --git a/fs/affs/file.c b/fs/affs/file.c
index f72fb776ecdf..7076262af39b 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -25,7 +25,7 @@ static struct buffer_head *affs_get_extblock_slow(struct inode *inode, u32 ext);
 static int affs_file_open(struct inode *inode, struct file *filp);
 static int affs_file_release(struct inode *inode, struct file *filp);
-struct file_operations affs_file_operations = {
+const struct file_operations affs_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_file_read,
        .write          = generic_file_write,
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 5c61c24dab2a..a6dff6a4f204 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -32,7 +32,7 @@ static int afs_d_delete(struct dentry *dentry);
 static int afs_dir_lookup_filldir(void *_cookie, const char *name, int nlen,
                                  loff_t fpos, ino_t ino, unsigned dtype);
-struct file_operations afs_dir_file_operations = {
+const struct file_operations afs_dir_file_operations = {
        .open           = afs_dir_open,
        .readdir        = afs_dir_readdir,
 };
diff --git a/fs/afs/internal.h b/fs/afs/internal.h
index ab8f87c66319..72febdf9a35a 100644
--- a/fs/afs/internal.h
+++ b/fs/afs/internal.h
@@ -64,7 +64,7 @@ extern struct cachefs_index_def afs_cache_cell_index_def;
 * dir.c
 */
 extern struct inode_operations afs_dir_inode_operations;
-extern struct file_operations afs_dir_file_operations;
+extern const struct file_operations afs_dir_file_operations;
 /*
 * file.c
@@ -105,7 +105,7 @@ extern struct cachefs_netfs afs_cache_netfs;
 * mntpt.c
 */
 extern struct inode_operations afs_mntpt_inode_operations;
-extern struct file_operations afs_mntpt_file_operations;
+extern const struct file_operations afs_mntpt_file_operations;
 extern struct afs_timer afs_mntpt_expiry_timer;
 extern struct afs_timer_ops afs_mntpt_expiry_timer_ops;
 extern unsigned long afs_mntpt_expiry_timeout;
diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c
index 31ee06590de5..4e6eeb59b83c 100644
--- a/fs/afs/mntpt.c
+++ b/fs/afs/mntpt.c
@@ -32,7 +32,7 @@ static struct dentry *afs_mntpt_lookup(struct inode *dir,
 static int afs_mntpt_open(struct inode *inode, struct file *file);
 static void *afs_mntpt_follow_link(struct dentry *dentry, struct nameidata *nd);
-struct file_operations afs_mntpt_file_operations = {
+const struct file_operations afs_mntpt_file_operations = {
        .open           = afs_mntpt_open,
 };
diff --git a/fs/afs/proc.c b/fs/afs/proc.c
index 9c81b8f7eef0..101d21b6c037 100644
--- a/fs/afs/proc.c
+++ b/fs/afs/proc.c
@@ -37,7 +37,7 @@ static struct seq_operations afs_proc_cells_ops = {
        .show   = afs_proc_cells_show,
 };
-static struct file_operations afs_proc_cells_fops = {
+static const struct file_operations afs_proc_cells_fops = {
        .open           = afs_proc_cells_open,
        .read           = seq_read,
        .write          = afs_proc_cells_write,
@@ -53,7 +53,7 @@ static ssize_t afs_proc_rootcell_write(struct file *file,
                                       const char __user *buf,
                                       size_t size, loff_t *_pos);
-static struct file_operations afs_proc_rootcell_fops = {
+static const struct file_operations afs_proc_rootcell_fops = {
        .open           = afs_proc_rootcell_open,
        .read           = afs_proc_rootcell_read,
        .write          = afs_proc_rootcell_write,
@@ -77,7 +77,7 @@ static struct seq_operations afs_proc_cell_volumes_ops = {
        .show   = afs_proc_cell_volumes_show,
 };
-static struct file_operations afs_proc_cell_volumes_fops = {
+static const struct file_operations afs_proc_cell_volumes_fops = {
        .open           = afs_proc_cell_volumes_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
@@ -101,7 +101,7 @@ static struct seq_operations afs_proc_cell_vlservers_ops = {
        .show   = afs_proc_cell_vlservers_show,
 };
-static struct file_operations afs_proc_cell_vlservers_fops = {
+static const struct file_operations afs_proc_cell_vlservers_fops = {
        .open           = afs_proc_cell_vlservers_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
@@ -124,7 +124,7 @@ static struct seq_operations afs_proc_cell_servers_ops = {
        .show   = afs_proc_cell_servers_show,
 };
-static struct file_operations afs_proc_cell_servers_fops = {
+static const struct file_operations afs_proc_cell_servers_fops = {
        .open           = afs_proc_cell_servers_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
diff --git a/fs/autofs/autofs_i.h b/fs/autofs/autofs_i.h
index 990c28da5aec..a62327f1bdff 100644
--- a/fs/autofs/autofs_i.h
+++ b/fs/autofs/autofs_i.h
@@ -146,7 +146,7 @@ struct autofs_dir_ent *autofs_expire(struct super_block *,struct autofs_sb_info
 extern struct inode_operations autofs_root_inode_operations;
 extern struct inode_operations autofs_symlink_inode_operations;
-extern struct file_operations autofs_root_operations;
+extern const struct file_operations autofs_root_operations;
 /* Initializing function */
diff --git a/fs/autofs/root.c b/fs/autofs/root.c
index 870e2cf33016..9cac08d6a873 100644
--- a/fs/autofs/root.c
+++ b/fs/autofs/root.c
@@ -26,7 +26,7 @@ static int autofs_root_rmdir(struct inode *,struct dentry *);
 static int autofs_root_mkdir(struct inode *,struct dentry *,int);
 static int autofs_root_ioctl(struct inode *, struct file *,unsigned int,unsigned long);
-struct file_operations autofs_root_operations = {
+const struct file_operations autofs_root_operations = {
        .read           = generic_read_dir,
        .readdir        = autofs_root_readdir,
        .ioctl          = autofs_root_ioctl,
diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h
index 617fd7b37447..57c4903614e5 100644
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
@@ -176,8 +176,8 @@ extern struct inode_operations autofs4_dir_inode_operations;
 extern struct inode_operations autofs4_root_inode_operations;
 extern struct inode_operations autofs4_indirect_root_inode_operations;
 extern struct inode_operations autofs4_direct_root_inode_operations;
-extern struct file_operations autofs4_dir_operations;
+extern const struct file_operations autofs4_dir_operations;
-extern struct file_operations autofs4_root_operations;
+extern const struct file_operations autofs4_root_operations;
 /* Initializing function */
@@ -230,3 +230,6 @@ static inline int __simple_empty(struct dentry *dentry)
 out:
        return ret;
 }
+void autofs4_dentry_release(struct dentry *);
diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 4eddee4e76fc..fde78b110ddd 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -292,7 +292,6 @@ static struct autofs_info *autofs4_mkroot(struct autofs_sb_info *sbi)
        return ino;
 }
-void autofs4_dentry_release(struct dentry *);
 static struct dentry_operations autofs4_sb_dentry_operations = {
        .d_release      = autofs4_dentry_release,
 };
diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c
index c8fe43a475e2..84e030c8ddd0 100644
--- a/fs/autofs4/root.c
+++ b/fs/autofs4/root.c
@@ -32,7 +32,7 @@ static int autofs4_root_readdir(struct file * filp, void * dirent, filldir_t fil
 static struct dentry *autofs4_lookup(struct inode *,struct dentry *, struct nameidata *);
 static void *autofs4_follow_link(struct dentry *, struct nameidata *);
-struct file_operations autofs4_root_operations = {
+const struct file_operations autofs4_root_operations = {
        .open           = dcache_dir_open,
        .release        = dcache_dir_close,
        .read           = generic_read_dir,
@@ -40,7 +40,7 @@ struct file_operations autofs4_root_operations = {
        .ioctl          = autofs4_root_ioctl,
 };
-struct file_operations autofs4_dir_operations = {
+const struct file_operations autofs4_dir_operations = {
        .open           = autofs4_dir_open,
        .release        = autofs4_dir_close,
        .read           = generic_read_dir,
diff --git a/fs/bad_inode.c b/fs/bad_inode.c
index e172180a1d8c..80599ae33966 100644
--- a/fs/bad_inode.c
+++ b/fs/bad_inode.c
@@ -22,7 +22,7 @@ static int return_EIO(void)
 #define EIO_ERROR ((void *) (return_EIO))
-static struct file_operations bad_file_ops =
+static const struct file_operations bad_file_ops =
 {
        .llseek         = EIO_ERROR,
        .aio_read       = EIO_ERROR,
diff --git a/fs/befs/linuxvfs.c b/fs/befs/linuxvfs.c
index 044a59587829..68ebd10f345d 100644
--- a/fs/befs/linuxvfs.c
+++ b/fs/befs/linuxvfs.c
@@ -64,7 +64,7 @@ static const struct super_operations befs_sops = {
 /* slab cache for befs_inode_info objects */
 static kmem_cache_t *befs_inode_cachep;
-static struct file_operations befs_dir_operations = {
+static const struct file_operations befs_dir_operations = {
        .read           = generic_read_dir,
        .readdir        = befs_readdir,
 };
diff --git a/fs/bfs/bfs.h b/fs/bfs/bfs.h
index 1fbc53f14aba..9d791004b21c 100644
--- a/fs/bfs/bfs.h
+++ b/fs/bfs/bfs.h
@@ -49,11 +49,11 @@ static inline struct bfs_inode_info *BFS_I(struct inode *inode)
 /* file.c */
 extern struct inode_operations bfs_file_inops;
-extern struct file_operations bfs_file_operations;
+extern const struct file_operations bfs_file_operations;
 extern struct address_space_operations bfs_aops;
 /* dir.c */
 extern struct inode_operations bfs_dir_inops;
-extern struct file_operations bfs_dir_operations;
+extern const struct file_operations bfs_dir_operations;
 #endif /* _FS_BFS_BFS_H */
diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c
index 5af928fa0449..26fad9621738 100644
--- a/fs/bfs/dir.c
+++ b/fs/bfs/dir.c
@@ -70,7 +70,7 @@ static int bfs_readdir(struct file * f, void * dirent, filldir_t filldir)
        return 0;       
 }
-struct file_operations bfs_dir_operations = {
+const struct file_operations bfs_dir_operations = {
        .read           = generic_read_dir,
        .readdir        = bfs_readdir,
        .fsync          = file_fsync,
diff --git a/fs/bfs/file.c b/fs/bfs/file.c
index 807723b65daf..d83cd74a2e4e 100644
--- a/fs/bfs/file.c
+++ b/fs/bfs/file.c
@@ -17,7 +17,7 @@
 #define dprintf(x...)
 #endif
-struct file_operations bfs_file_operations = {
+const struct file_operations bfs_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_file_read,
        .write          = generic_file_write,
diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c
index 6a7b730c206b..d73d75591a39 100644
--- a/fs/binfmt_misc.c
+++ b/fs/binfmt_misc.c
@@ -600,7 +600,7 @@ static ssize_t bm_entry_write(struct file *file, const char __user *buffer,
        return count;
 }
-static struct file_operations bm_entry_operations = {
+static const struct file_operations bm_entry_operations = {
        .read           = bm_entry_read,
        .write          = bm_entry_write,
 };
@@ -668,7 +668,7 @@ out:
        return count;
 }
-static struct file_operations bm_register_operations = {
+static const struct file_operations bm_register_operations = {
        .write          = bm_register_write,
 };
@@ -715,7 +715,7 @@ static ssize_t bm_status_write(struct file * file, const char __user * buffer,
        return count;
 }
-static struct file_operations bm_status_operations = {
+static const struct file_operations bm_status_operations = {
        .read           = bm_status_read,
        .write          = bm_status_write,
 };
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 17c76182f389..af88c43043d5 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1087,7 +1087,7 @@ struct address_space_operations def_blk_aops = {
        .direct_IO      = blkdev_direct_IO,
 };
-struct file_operations def_blk_fops = {
+const struct file_operations def_blk_fops = {
        .open           = blkdev_open,
        .release        = blkdev_close,
        .llseek         = block_llseek,
diff --git a/fs/char_dev.c b/fs/char_dev.c
index 8c6eb04d31e2..4e1b849f912f 100644
--- a/fs/char_dev.c
+++ b/fs/char_dev.c
@@ -250,7 +250,7 @@ int alloc_chrdev_region(dev_t *dev, unsigned baseminor, unsigned count,
 }
 int register_chrdev(unsigned int major, const char *name,
-                    struct file_operations *fops)
+                    const struct file_operations *fops)
 {
        struct char_device_struct *cd;
        struct cdev *cdev;
@@ -406,7 +406,7 @@ static void cdev_purge(struct cdev *cdev)
 * is contain the open that then fills in the correct operations
 * depending on the special file...
 */
-struct file_operations def_chr_fops = {
+const struct file_operations def_chr_fops = {
        .open = chrdev_open,
 };
@@ -473,7 +473,7 @@ struct cdev *cdev_alloc(void)
        return p;
 }
-void cdev_init(struct cdev *cdev, struct file_operations *fops)
+void cdev_init(struct cdev *cdev, const struct file_operations *fops)
 {
        memset(cdev, 0, sizeof *cdev);
        INIT_LIST_HEAD(&cdev->list);
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 6b99b51d6694..4bbc544857bc 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -583,7 +583,7 @@ struct inode_operations cifs_symlink_inode_ops = {
 #endif 
 };
-struct file_operations cifs_file_ops = {
+const struct file_operations cifs_file_ops = {
        .read = do_sync_read,
        .write = do_sync_write,
        .readv = generic_file_readv,
@@ -607,7 +607,7 @@ struct file_operations cifs_file_ops = {
 #endif /* CONFIG_CIFS_EXPERIMENTAL */
 };
-struct file_operations cifs_file_direct_ops = {
+const struct file_operations cifs_file_direct_ops = {
        /* no mmap, no aio, no readv - 
           BB reevaluate whether they can be done with directio, no cache */
        .read = cifs_user_read,
@@ -626,7 +626,7 @@ struct file_operations cifs_file_direct_ops = {
        .dir_notify = cifs_dir_notify,
 #endif /* CONFIG_CIFS_EXPERIMENTAL */
 };
-struct file_operations cifs_file_nobrl_ops = {
+const struct file_operations cifs_file_nobrl_ops = {
        .read = do_sync_read,
        .write = do_sync_write,
        .readv = generic_file_readv,
@@ -649,7 +649,7 @@ struct file_operations cifs_file_nobrl_ops = {
 #endif /* CONFIG_CIFS_EXPERIMENTAL */
 };
-struct file_operations cifs_file_direct_nobrl_ops = {
+const struct file_operations cifs_file_direct_nobrl_ops = {
        /* no mmap, no aio, no readv - 
           BB reevaluate whether they can be done with directio, no cache */
        .read = cifs_user_read,
@@ -668,7 +668,7 @@ struct file_operations cifs_file_direct_nobrl_ops = {
 #endif /* CONFIG_CIFS_EXPERIMENTAL */
 };
-struct file_operations cifs_dir_ops = {
+const struct file_operations cifs_dir_ops = {
        .readdir = cifs_readdir,
        .release = cifs_closedir,
        .read    = generic_read_dir,
diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h
index 821a8eb22559..74f405ae4da3 100644
--- a/fs/cifs/cifsfs.h
+++ b/fs/cifs/cifsfs.h
@@ -61,10 +61,10 @@ extern struct inode_operations cifs_file_inode_ops;
 extern struct inode_operations cifs_symlink_inode_ops;
 /* Functions related to files and directories */
-extern struct file_operations cifs_file_ops;
+extern const struct file_operations cifs_file_ops;
-extern struct file_operations cifs_file_direct_ops; /* if directio mount */
+extern const struct file_operations cifs_file_direct_ops; /* if directio mount */
-extern struct file_operations cifs_file_nobrl_ops;
+extern const struct file_operations cifs_file_nobrl_ops;
-extern struct file_operations cifs_file_direct_nobrl_ops; /* if directio mount */
+extern const struct file_operations cifs_file_direct_nobrl_ops; /* if directio mount */
 extern int cifs_open(struct inode *inode, struct file *file);
 extern int cifs_close(struct inode *inode, struct file *file);
 extern int cifs_closedir(struct inode *inode, struct file *file);
@@ -76,7 +76,7 @@ extern int cifs_lock(struct file *, int, struct file_lock *);
 extern int cifs_fsync(struct file *, struct dentry *, int);
 extern int cifs_flush(struct file *);
 extern int cifs_file_mmap(struct file * , struct vm_area_struct *);
-extern struct file_operations cifs_dir_ops;
+extern const struct file_operations cifs_dir_ops;
 extern int cifs_dir_open(struct inode *inode, struct file *file);
 extern int cifs_readdir(struct file *file, void *direntry, filldir_t filldir);
 extern int cifs_dir_notify(struct file *, unsigned long arg);
diff --git a/fs/coda/dir.c b/fs/coda/dir.c
index 54f76de8a686..71f2ea632e53 100644
--- a/fs/coda/dir.c
+++ b/fs/coda/dir.c
@@ -82,7 +82,7 @@ struct inode_operations coda_dir_inode_operations =
        .setattr        = coda_setattr,
 };
-struct file_operations coda_dir_operations = {
+const struct file_operations coda_dir_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_read_dir,
        .readdir        = coda_readdir,
diff --git a/fs/coda/file.c b/fs/coda/file.c
index 146a991d6eb5..7c2642431fa5 100644
--- a/fs/coda/file.c
+++ b/fs/coda/file.c
@@ -288,7 +288,7 @@ int coda_fsync(struct file *coda_file, struct dentry *coda_dentry, int datasync)
        return err;
 }
-struct file_operations coda_file_operations = {
+const struct file_operations coda_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = coda_file_read,
        .write          = coda_file_write,
diff --git a/fs/coda/pioctl.c b/fs/coda/pioctl.c
index 127714936c66..214822be87bd 100644
--- a/fs/coda/pioctl.c
+++ b/fs/coda/pioctl.c
@@ -36,7 +36,7 @@ struct inode_operations coda_ioctl_inode_operations =
        .setattr        = coda_setattr,
 };
-struct file_operations coda_ioctl_operations = {
+const struct file_operations coda_ioctl_operations = {
        .owner          = THIS_MODULE,
        .ioctl          = coda_pioctl,
 };
diff --git a/fs/coda/psdev.c b/fs/coda/psdev.c
index 98c74fe2e139..6c6771db36da 100644
--- a/fs/coda/psdev.c
+++ b/fs/coda/psdev.c
@@ -342,7 +342,7 @@ static int coda_psdev_release(struct inode * inode, struct file * file)
 }
-static struct file_operations coda_psdev_fops = {
+static const struct file_operations coda_psdev_fops = {
        .owner          = THIS_MODULE,
        .read           = coda_psdev_read,
        .write          = coda_psdev_write,
diff --git a/fs/compat.c b/fs/compat.c
index ef5a0771592d..7f8e26ea427c 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -1639,15 +1639,6 @@ void compat_set_fd_set(unsigned long nr, compat_ulong_t __user *ufdset,
 * This is a virtual copy of sys_select from fs/select.c and probably
 * should be compared to it from time to time
 */
-static void *select_bits_alloc(int size)
-{
-        return kmalloc(6 * size, GFP_KERNEL);
-}
-static void select_bits_free(void *bits, int size)
-{
-        kfree(bits);
-}
 /*
 * We can actually return ERESTARTSYS instead of EINTR, but I'd
@@ -1686,7 +1677,7 @@ int compat_core_sys_select(int n, compat_ulong_t __user *inp,
         */
        ret = -ENOMEM;
        size = FDS_BYTES(n);
-        bits = select_bits_alloc(size);
+        bits = kmalloc(6 * size, GFP_KERNEL);
        if (!bits)
                goto out_nofds;
        fds.in      = (unsigned long *)  bits;
@@ -1720,7 +1711,7 @@ int compat_core_sys_select(int n, compat_ulong_t __user *inp,
        compat_set_fd_set(n, exp, fds.res_ex);
 out:
-        select_bits_free(bits, size);
+        kfree(bits);
 out_nofds:
        return ret;
 }
diff --git a/fs/configfs/configfs_internal.h b/fs/configfs/configfs_internal.h
index f70e46951b37..3f4ff7a242b9 100644
--- a/fs/configfs/configfs_internal.h
+++ b/fs/configfs/configfs_internal.h
@@ -72,9 +72,9 @@ extern void configfs_release_fs(void);
 extern struct rw_semaphore configfs_rename_sem;
 extern struct super_block * configfs_sb;
-extern struct file_operations configfs_dir_operations;
+extern const struct file_operations configfs_dir_operations;
-extern struct file_operations configfs_file_operations;
+extern const struct file_operations configfs_file_operations;
-extern struct file_operations bin_fops;
+extern const struct file_operations bin_fops;
 extern struct inode_operations configfs_dir_inode_operations;
 extern struct inode_operations configfs_symlink_inode_operations;
diff --git a/fs/configfs/dir.c b/fs/configfs/dir.c
index ca60e3abef45..8ed9b06a9828 100644
--- a/fs/configfs/dir.c
+++ b/fs/configfs/dir.c
@@ -1027,7 +1027,7 @@ static loff_t configfs_dir_lseek(struct file * file, loff_t offset, int origin)
        return offset;
 }
-struct file_operations configfs_dir_operations = {
+const struct file_operations configfs_dir_operations = {
        .open           = configfs_dir_open,
        .release        = configfs_dir_close,
        .llseek         = configfs_dir_lseek,
diff --git a/fs/configfs/file.c b/fs/configfs/file.c
index 3921920d8716..f499803743e0 100644
--- a/fs/configfs/file.c
+++ b/fs/configfs/file.c
@@ -322,7 +322,7 @@ static int configfs_release(struct inode * inode, struct file * filp)
        return 0;
 }
-struct file_operations configfs_file_operations = {
+const struct file_operations configfs_file_operations = {
        .read           = configfs_read_file,
        .write          = configfs_write_file,
        .llseek         = generic_file_llseek,
diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
index acc1b2c10a86..9efcc3a164e8 100644
--- a/fs/cramfs/inode.c
+++ b/fs/cramfs/inode.c
@@ -29,7 +29,7 @@
 static struct super_operations cramfs_ops;
 static struct inode_operations cramfs_dir_inode_operations;
-static struct file_operations cramfs_directory_operations;
+static const struct file_operations cramfs_directory_operations;
 static struct address_space_operations cramfs_aops;
 static DEFINE_MUTEX(read_mutex);
@@ -512,7 +512,7 @@ static struct address_space_operations cramfs_aops = {
 /*
 * A directory can only readdir
 */
-static struct file_operations cramfs_directory_operations = {
+static const struct file_operations cramfs_directory_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_read_dir,
        .readdir        = cramfs_readdir,
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c
index 40c4fc973fad..66a505422e5c 100644
--- a/fs/debugfs/file.c
+++ b/fs/debugfs/file.c
@@ -39,7 +39,7 @@ static int default_open(struct inode *inode, struct file *file)
        return 0;
 }
-struct file_operations debugfs_file_operations = {
+const struct file_operations debugfs_file_operations = {
        .read =         default_read_file,
        .write =        default_write_file,
        .open =         default_open,
@@ -213,7 +213,7 @@ static ssize_t write_file_bool(struct file *file, const char __user *user_buf,
        return count;
 }
-static struct file_operations fops_bool = {
+static const struct file_operations fops_bool = {
        .read =         read_file_bool,
        .write =        write_file_bool,
        .open =         default_open,
diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c
index d4f1a2cddd47..85d166cdcae4 100644
--- a/fs/debugfs/inode.c
+++ b/fs/debugfs/inode.c
@@ -191,7 +191,7 @@ static int debugfs_create_by_name(const char *name, mode_t mode,
 */
 struct dentry *debugfs_create_file(const char *name, mode_t mode,
                                   struct dentry *parent, void *data,
-                                   struct file_operations *fops)
+                                   const struct file_operations *fops)
 {
        struct dentry *dentry = NULL;
        int error;
diff --git a/fs/devfs/base.c b/fs/devfs/base.c
index b621521e09d4..52f5059c4f31 100644
--- a/fs/devfs/base.c
+++ b/fs/devfs/base.c
@@ -856,14 +856,14 @@ static int devfsd_close(struct inode *inode, struct file *file);
 #ifdef CONFIG_DEVFS_DEBUG
 static ssize_t stat_read(struct file *file, char __user *buf, size_t len,
                         loff_t * ppos);
-static struct file_operations stat_fops = {
+static const struct file_operations stat_fops = {
        .open = nonseekable_open,
        .read = stat_read,
 };
 #endif
 /*  Devfs daemon file operations  */
-static struct file_operations devfsd_fops = {
+static const struct file_operations devfsd_fops = {
        .open = nonseekable_open,
        .read = devfsd_read,
        .ioctl = devfsd_ioctl,
@@ -1842,8 +1842,8 @@ static int try_modload(struct devfs_entry *parent, struct fs_info *fs_info,
 static struct inode_operations devfs_iops;
 static struct inode_operations devfs_dir_iops;
-static struct file_operations devfs_fops;
+static const struct file_operations devfs_fops;
-static struct file_operations devfs_dir_fops;
+static const struct file_operations devfs_dir_fops;
 static struct inode_operations devfs_symlink_iops;
 static int devfs_notify_change(struct dentry *dentry, struct iattr *iattr)
@@ -2061,11 +2061,11 @@ static int devfs_open(struct inode *inode, struct file *file)
        return err;
 }                               /*  End Function devfs_open  */
-static struct file_operations devfs_fops = {
+static const struct file_operations devfs_fops = {
        .open = devfs_open,
 };
-static struct file_operations devfs_dir_fops = {
+static const struct file_operations devfs_dir_fops = {
        .read = generic_read_dir,
        .readdir = devfs_readdir,
 };
diff --git a/fs/efs/dir.c b/fs/efs/dir.c
index 777c614ff360..17f5b2d3c16a 100644
--- a/fs/efs/dir.c
+++ b/fs/efs/dir.c
@@ -10,7 +10,7 @@
 static int efs_readdir(struct file *, void *, filldir_t);
-struct file_operations efs_dir_operations = {
+const struct file_operations efs_dir_operations = {
        .read           = generic_read_dir,
        .readdir        = efs_readdir,
 };
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index e067a06c6464..242fe1a66ce5 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -290,7 +290,7 @@ static kmem_cache_t *pwq_cache __read_mostly;
 static struct vfsmount *eventpoll_mnt __read_mostly;
 /* File callbacks that implement the eventpoll file behaviour */
-static struct file_operations eventpoll_fops = {
+static const struct file_operations eventpoll_fops = {
        .release        = ep_eventpoll_close,
        .poll           = ep_eventpoll_poll
 };
diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c
index 0165388c425c..d672aa9f4061 100644
--- a/fs/ext2/dir.c
+++ b/fs/ext2/dir.c
@@ -658,7 +658,7 @@ not_empty:
        return 0;
 }
-struct file_operations ext2_dir_operations = {
+const struct file_operations ext2_dir_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_read_dir,
        .readdir        = ext2_readdir,
diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h
index 11035ac7986f..9f74a62be555 100644
--- a/fs/ext2/ext2.h
+++ b/fs/ext2/ext2.h
@@ -154,12 +154,12 @@ extern void ext2_write_super (struct super_block *);
 */
 /* dir.c */
-extern struct file_operations ext2_dir_operations;
+extern const struct file_operations ext2_dir_operations;
 /* file.c */
 extern struct inode_operations ext2_file_inode_operations;
-extern struct file_operations ext2_file_operations;
+extern const struct file_operations ext2_file_operations;
-extern struct file_operations ext2_xip_file_operations;
+extern const struct file_operations ext2_xip_file_operations;
 /* inode.c */
 extern struct address_space_operations ext2_aops;
diff --git a/fs/ext2/file.c b/fs/ext2/file.c
index a484412fc782..509cceca04db 100644
--- a/fs/ext2/file.c
+++ b/fs/ext2/file.c
@@ -39,7 +39,7 @@ static int ext2_release_file (struct inode * inode, struct file * filp)
 * We have mostly NULL's here: the current defaults are ok for
 * the ext2 filesystem.
 */
-struct file_operations ext2_file_operations = {
+const struct file_operations ext2_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_file_read,
        .write          = generic_file_write,
@@ -56,7 +56,7 @@ struct file_operations ext2_file_operations = {
 };
 #ifdef CONFIG_EXT2_FS_XIP
-struct file_operations ext2_xip_file_operations = {
+const struct file_operations ext2_xip_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = xip_file_read,
        .write          = xip_file_write,
diff --git a/fs/ext3/dir.c b/fs/ext3/dir.c
index 38bd3f6ec147..f37528ed222e 100644
--- a/fs/ext3/dir.c
+++ b/fs/ext3/dir.c
@@ -39,7 +39,7 @@ static int ext3_dx_readdir(struct file * filp,
 static int ext3_release_dir (struct inode * inode,
                                struct file * filp);
-struct file_operations ext3_dir_operations = {
+const struct file_operations ext3_dir_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_read_dir,
        .readdir        = ext3_readdir,         /* we take BKL. needed?*/
diff --git a/fs/ext3/file.c b/fs/ext3/file.c
index 59098ea56711..783a796220bb 100644
--- a/fs/ext3/file.c
+++ b/fs/ext3/file.c
@@ -105,7 +105,7 @@ force_commit:
        return ret;
 }
-struct file_operations ext3_file_operations = {
+const struct file_operations ext3_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = do_sync_read,
        .write          = do_sync_write,
diff --git a/fs/fat/dir.c b/fs/fat/dir.c
index 4095bc149eb1..698b85bb1dd4 100644
--- a/fs/fat/dir.c
+++ b/fs/fat/dir.c
@@ -741,7 +741,7 @@ static int fat_dir_ioctl(struct inode * inode, struct file * filp,
        return ret;
 }
-struct file_operations fat_dir_operations = {
+const struct file_operations fat_dir_operations = {
        .read           = generic_read_dir,
        .readdir        = fat_readdir,
        .ioctl          = fat_dir_ioctl,
diff --git a/fs/fat/file.c b/fs/fat/file.c
index 88aa1ae13f9f..1ee25232e6af 100644
--- a/fs/fat/file.c
+++ b/fs/fat/file.c
@@ -112,7 +112,7 @@ int fat_generic_ioctl(struct inode *inode, struct file *filp,
        }
 }
-struct file_operations fat_file_operations = {
+const struct file_operations fat_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = do_sync_read,
        .write          = do_sync_write,
diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 404bfc9f7385..c1ce284f8a94 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -1435,9 +1435,6 @@ out_fail:
 EXPORT_SYMBOL_GPL(fat_fill_super);
-int __init fat_cache_init(void);
-void fat_cache_destroy(void);
 static int __init init_fat_fs(void)
 {
        int err;
diff --git a/fs/fifo.c b/fs/fifo.c
index d13fcd3ec803..889f722ee36d 100644
--- a/fs/fifo.c
+++ b/fs/fifo.c
@@ -145,6 +145,6 @@ err_nocleanup:
 * is contain the open that then fills in the correct operations
 * depending on the access mode of the file...
 */
-struct file_operations def_fifo_fops = {
+const struct file_operations def_fifo_fops = {
        .open           = fifo_open,    /* will set read or write pipe_fops */
 };
diff --git a/fs/file.c b/fs/file.c
index bbc743314730..55f4e7022563 100644
--- a/fs/file.c
+++ b/fs/file.c
@@ -373,6 +373,6 @@ static void __devinit fdtable_defer_list_init(int cpu)
 void __init files_defer_init(void)
 {
        int i;
-        for_each_cpu(i)
+        for_each_possible_cpu(i)
                fdtable_defer_list_init(i);
 }
diff --git a/fs/freevxfs/vxfs_extern.h b/fs/freevxfs/vxfs_extern.h
index 927acf70c591..1cf1fe8466a2 100644
--- a/fs/freevxfs/vxfs_extern.h
+++ b/fs/freevxfs/vxfs_extern.h
@@ -63,7 +63,7 @@ extern void			vxfs_clear_inode(struct inode *);
 /* vxfs_lookup.c */
 extern struct inode_operations  vxfs_dir_inode_ops;
-extern struct file_operations   vxfs_dir_operations;
+extern const struct file_operations     vxfs_dir_operations;
 /* vxfs_olt.c */
 extern int                      vxfs_read_olt(struct super_block *, u_long);
diff --git a/fs/freevxfs/vxfs_lookup.c b/fs/freevxfs/vxfs_lookup.c
index 554eb455722c..29cce456c7ce 100644
--- a/fs/freevxfs/vxfs_lookup.c
+++ b/fs/freevxfs/vxfs_lookup.c
@@ -56,7 +56,7 @@ struct inode_operations vxfs_dir_inode_ops = {
        .lookup =               vxfs_lookup,
 };
-struct file_operations vxfs_dir_operations = {
+const struct file_operations vxfs_dir_operations = {
        .readdir =              vxfs_readdir,
 };
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 0c9a2ee54c91..23d1f52eb1b8 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -922,7 +922,7 @@ static int fuse_dev_release(struct inode *inode, struct file *file)
        return 0;
 }
-struct file_operations fuse_dev_operations = {
+const struct file_operations fuse_dev_operations = {
        .owner          = THIS_MODULE,
        .llseek         = no_llseek,
        .read           = fuse_dev_read,
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index c72a8a97935c..256355b80256 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -1170,7 +1170,7 @@ static struct inode_operations fuse_dir_inode_operations = {
        .removexattr    = fuse_removexattr,
 };
-static struct file_operations fuse_dir_operations = {
+static const struct file_operations fuse_dir_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_read_dir,
        .readdir        = fuse_readdir,
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 6f05379b0a0d..975f2697e866 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -12,7 +12,7 @@
 #include <linux/slab.h>
 #include <linux/kernel.h>
-static struct file_operations fuse_direct_io_file_operations;
+static const struct file_operations fuse_direct_io_file_operations;
 static int fuse_send_open(struct inode *inode, struct file *file, int isdir,
                          struct fuse_open_out *outargp)
@@ -611,7 +611,7 @@ static int fuse_set_page_dirty(struct page *page)
        return 0;
 }
-static struct file_operations fuse_file_operations = {
+static const struct file_operations fuse_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_file_read,
        .write          = generic_file_write,
@@ -623,7 +623,7 @@ static struct file_operations fuse_file_operations = {
        .sendfile       = generic_file_sendfile,
 };
-static struct file_operations fuse_direct_io_file_operations = {
+static const struct file_operations fuse_direct_io_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = fuse_direct_read,
        .write          = fuse_direct_write,
diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h
index 4a83adfec968..a16a04fcf41e 100644
--- a/fs/fuse/fuse_i.h
+++ b/fs/fuse/fuse_i.h
@@ -346,7 +346,7 @@ static inline u64 get_node_id(struct inode *inode)
 }
 /** Device operations */
-extern struct file_operations fuse_dev_operations;
+extern const struct file_operations fuse_dev_operations;
 /**
 * This is the single global spinlock which protects FUSE's structures
diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c
index 534e5a7480ef..7cd8cc03aea7 100644
--- a/fs/hfs/dir.c
+++ b/fs/hfs/dir.c
@@ -313,7 +313,7 @@ static int hfs_rename(struct inode *old_dir, struct dentry *old_dentry,
        return res;
 }
-struct file_operations hfs_dir_operations = {
+const struct file_operations hfs_dir_operations = {
        .read           = generic_read_dir,
        .readdir        = hfs_readdir,
        .llseek         = generic_file_llseek,
diff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h
index 18ce47ab1b71..3ed8663a8db1 100644
--- a/fs/hfs/hfs_fs.h
+++ b/fs/hfs/hfs_fs.h
@@ -169,7 +169,7 @@ extern int hfs_cat_move(u32, struct inode *, struct qstr *,
 extern void hfs_cat_build_key(struct super_block *, btree_key *, u32, struct qstr *);
 /* dir.c */
-extern struct file_operations hfs_dir_operations;
+extern const struct file_operations hfs_dir_operations;
 extern struct inode_operations hfs_dir_inode_operations;
 /* extent.c */
diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c
index 2c564701724f..2d4ced22201b 100644
--- a/fs/hfs/inode.c
+++ b/fs/hfs/inode.c
@@ -17,7 +17,7 @@
 #include "hfs_fs.h"
 #include "btree.h"
-static struct file_operations hfs_file_operations;
+static const struct file_operations hfs_file_operations;
 static struct inode_operations hfs_file_inode_operations;
 /*================ Variable-like macros ================*/
@@ -601,7 +601,7 @@ int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr)
 }
-static struct file_operations hfs_file_operations = {
+static const struct file_operations hfs_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_file_read,
        .write          = generic_file_write,
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index 01a6fe3a395c..1f9ece0de326 100644
--- a/fs/hfsplus/dir.c
+++ b/fs/hfsplus/dir.c
@@ -483,7 +483,7 @@ struct inode_operations hfsplus_dir_inode_operations = {
        .rename         = hfsplus_rename,
 };
-struct file_operations hfsplus_dir_operations = {
+const struct file_operations hfsplus_dir_operations = {
        .read           = generic_read_dir,
        .readdir        = hfsplus_readdir,
        .ioctl          = hfsplus_ioctl,
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 9fbe4d2aeece..acf66dba3e01 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -280,7 +280,7 @@ static struct inode_operations hfsplus_file_inode_operations = {
        .listxattr      = hfsplus_listxattr,
 };
-static struct file_operations hfsplus_file_operations = {
+static const struct file_operations hfsplus_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_file_read,
        .write          = generic_file_write,
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index b3ad0bd0312f..bf0f8e16e433 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -384,7 +384,7 @@ int hostfs_fsync(struct file *file, struct dentry *dentry, int datasync)
        return fsync_file(HOSTFS_I(dentry->d_inode)->fd, datasync);
 }
-static struct file_operations hostfs_file_fops = {
+static const struct file_operations hostfs_file_fops = {
        .llseek         = generic_file_llseek,
        .read           = generic_file_read,
        .sendfile       = generic_file_sendfile,
@@ -399,7 +399,7 @@ static struct file_operations hostfs_file_fops = {
        .fsync          = hostfs_fsync,
 };
-static struct file_operations hostfs_dir_fops = {
+static const struct file_operations hostfs_dir_fops = {
        .llseek         = generic_file_llseek,
        .readdir        = hostfs_readdir,
        .read           = generic_read_dir,
diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c
index 5591f9623aa2..ecc9180645ae 100644
--- a/fs/hpfs/dir.c
+++ b/fs/hpfs/dir.c
@@ -310,7 +310,7 @@ struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, struct name
        return ERR_PTR(-ENOENT);
 }
-struct file_operations hpfs_dir_ops =
+const struct file_operations hpfs_dir_ops =
 {
        .llseek         = hpfs_dir_lseek,
        .read           = generic_read_dir,
diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c
index 7c995ac4081b..d3b9fffe45a1 100644
--- a/fs/hpfs/file.c
+++ b/fs/hpfs/file.c
@@ -119,7 +119,7 @@ static ssize_t hpfs_file_write(struct file *file, const char __user *buf,
        return retval;
 }
-struct file_operations hpfs_file_ops =
+const struct file_operations hpfs_file_ops =
 {
        .llseek         = generic_file_llseek,
        .read           = generic_file_read,
diff --git a/fs/hpfs/hpfs_fn.h b/fs/hpfs/hpfs_fn.h
index 4c6473ab3b34..29b7a3e55173 100644
--- a/fs/hpfs/hpfs_fn.h
+++ b/fs/hpfs/hpfs_fn.h
@@ -240,7 +240,7 @@ void hpfs_set_dentry_operations(struct dentry *);
 /* dir.c */
 struct dentry *hpfs_lookup(struct inode *, struct dentry *, struct nameidata *);
-extern struct file_operations hpfs_dir_ops;
+extern const struct file_operations hpfs_dir_ops;
 /* dnode.c */
@@ -266,7 +266,7 @@ void hpfs_set_ea(struct inode *, struct fnode *, char *, char *, int);
 /* file.c */
 int hpfs_file_fsync(struct file *, struct dentry *, int);
-extern struct file_operations hpfs_file_ops;
+extern const struct file_operations hpfs_file_ops;
 extern struct inode_operations hpfs_file_iops;
 extern struct address_space_operations hpfs_aops;
diff --git a/fs/hppfs/hppfs_kern.c b/fs/hppfs/hppfs_kern.c
index a44dc5897399..2ba20cdb5baa 100644
--- a/fs/hppfs/hppfs_kern.c
+++ b/fs/hppfs/hppfs_kern.c
@@ -558,7 +558,7 @@ static loff_t hppfs_llseek(struct file *file, loff_t off, int where)
        return(default_llseek(file, off, where));
 }
-static struct file_operations hppfs_file_fops = {
+static const struct file_operations hppfs_file_fops = {
        .owner          = NULL,
        .llseek         = hppfs_llseek,
        .read           = hppfs_read,
@@ -609,7 +609,7 @@ static int hppfs_fsync(struct file *file, struct dentry *dentry, int datasync)
        return(0);
 }
-static struct file_operations hppfs_dir_fops = {
+static const struct file_operations hppfs_dir_fops = {
        .owner          = NULL,
        .readdir        = hppfs_readdir,
        .open           = hppfs_dir_open,
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 25fa8bba8cb5..3a5b4e923455 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -35,7 +35,7 @@
 static struct super_operations hugetlbfs_ops;
 static struct address_space_operations hugetlbfs_aops;
-struct file_operations hugetlbfs_file_operations;
+const struct file_operations hugetlbfs_file_operations;
 static struct inode_operations hugetlbfs_dir_inode_operations;
 static struct inode_operations hugetlbfs_inode_operations;
@@ -566,7 +566,7 @@ static void init_once(void *foo, kmem_cache_t *cachep, unsigned long flags)
                inode_init_once(&ei->vfs_inode);
 }
-struct file_operations hugetlbfs_file_operations = {
+const struct file_operations hugetlbfs_file_operations = {
        .mmap                   = hugetlbfs_file_mmap,
        .fsync                  = simple_sync_file,
        .get_unmapped_area      = hugetlb_get_unmapped_area,
diff --git a/fs/inode.c b/fs/inode.c
index 1fddf2803af8..32b7c3375021 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -104,7 +104,7 @@ static struct inode *alloc_inode(struct super_block *sb)
 {
        static struct address_space_operations empty_aops;
        static struct inode_operations empty_iops;
-        static struct file_operations empty_fops;
+        static const struct file_operations empty_fops;
        struct inode *inode;
        if (sb->s_op->alloc_inode)
diff --git a/fs/inotify.c b/fs/inotify.c
index f48a3dae0712..367c487c014b 100644
--- a/fs/inotify.c
+++ b/fs/inotify.c
@@ -920,7 +920,7 @@ static long inotify_ioctl(struct file *file, unsigned int cmd,
        return ret;
 }
-static struct file_operations inotify_fops = {
+static const struct file_operations inotify_fops = {
        .poll           = inotify_poll,
        .read           = inotify_read,
        .release        = inotify_release,
diff --git a/fs/isofs/dir.c b/fs/isofs/dir.c
index 7901ac9f97ab..5440ea292c69 100644
--- a/fs/isofs/dir.c
+++ b/fs/isofs/dir.c
@@ -16,7 +16,7 @@
 static int isofs_readdir(struct file *, void *, filldir_t);
-struct file_operations isofs_dir_operations =
+const struct file_operations isofs_dir_operations =
 {
        .read           = generic_read_dir,
        .readdir        = isofs_readdir,
diff --git a/fs/isofs/isofs.h b/fs/isofs/isofs.h
index 439a19b1bf3e..b87ba066f5e7 100644
--- a/fs/isofs/isofs.h
+++ b/fs/isofs/isofs.h
@@ -175,6 +175,6 @@ isofs_normalize_block_and_offset(struct iso_directory_record* de,
 }
 extern struct inode_operations isofs_dir_inode_operations;
-extern struct file_operations isofs_dir_operations;
+extern const struct file_operations isofs_dir_operations;
 extern struct address_space_operations isofs_symlink_aops;
 extern struct export_operations isofs_export_ops;
diff --git a/fs/jffs/inode-v23.c b/fs/jffs/inode-v23.c
index 5a4519e834da..020cc097c539 100644
--- a/fs/jffs/inode-v23.c
+++ b/fs/jffs/inode-v23.c
@@ -55,9 +55,9 @@
 static int jffs_remove(struct inode *dir, struct dentry *dentry, int type);
 static struct super_operations jffs_ops;
-static struct file_operations jffs_file_operations;
+static const struct file_operations jffs_file_operations;
 static struct inode_operations jffs_file_inode_operations;
-static struct file_operations jffs_dir_operations;
+static const struct file_operations jffs_dir_operations;
 static struct inode_operations jffs_dir_inode_operations;
 static struct address_space_operations jffs_address_operations;
@@ -1629,7 +1629,7 @@ static int jffs_fsync(struct file *f, struct dentry *d, int datasync)
 }
-static struct file_operations jffs_file_operations =
+static const struct file_operations jffs_file_operations =
 {
        .open           = generic_file_open,
        .llseek         = generic_file_llseek,
@@ -1649,7 +1649,7 @@ static struct inode_operations jffs_file_inode_operations =
 };
-static struct file_operations jffs_dir_operations =
+static const struct file_operations jffs_dir_operations =
 {
        .readdir        = jffs_readdir,
 };
diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c
index a7bf9cb2567f..8bc7a5018e40 100644
--- a/fs/jffs2/dir.c
+++ b/fs/jffs2/dir.c
@@ -37,7 +37,7 @@ static int jffs2_mknod (struct inode *,struct dentry *,int,dev_t);
 static int jffs2_rename (struct inode *, struct dentry *,
                        struct inode *, struct dentry *);
-struct file_operations jffs2_dir_operations =
+const struct file_operations jffs2_dir_operations =
 {
        .read =         generic_read_dir,
        .readdir =      jffs2_readdir,
diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c
index 935f273dc57b..9f4171213e58 100644
--- a/fs/jffs2/file.c
+++ b/fs/jffs2/file.c
@@ -38,7 +38,7 @@ int jffs2_fsync(struct file *filp, struct dentry *dentry, int datasync)
        return 0;
 }
-struct file_operations jffs2_file_operations =
+const struct file_operations jffs2_file_operations =
 {
        .llseek =       generic_file_llseek,
        .open =         generic_file_open,
diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h
index 59e7a393200c..d307cf548625 100644
--- a/fs/jffs2/os-linux.h
+++ b/fs/jffs2/os-linux.h
@@ -159,11 +159,11 @@ void jffs2_stop_garbage_collect_thread(struct jffs2_sb_info *c);
 void jffs2_garbage_collect_trigger(struct jffs2_sb_info *c);
 /* dir.c */
-extern struct file_operations jffs2_dir_operations;
+extern const struct file_operations jffs2_dir_operations;
 extern struct inode_operations jffs2_dir_inode_operations;
 /* file.c */
-extern struct file_operations jffs2_file_operations;
+extern const struct file_operations jffs2_file_operations;
 extern struct inode_operations jffs2_file_inode_operations;
 extern struct address_space_operations jffs2_file_address_operations;
 int jffs2_fsync(struct file *, struct dentry *, int);
diff --git a/fs/jfs/file.c b/fs/jfs/file.c
index e1ac6e497e2b..1c9745be5ada 100644
--- a/fs/jfs/file.c
+++ b/fs/jfs/file.c
@@ -100,7 +100,7 @@ struct inode_operations jfs_file_inode_operations = {
 #endif
 };
-struct file_operations jfs_file_operations = {
+const struct file_operations jfs_file_operations = {
        .open           = jfs_open,
        .llseek         = generic_file_llseek,
        .write          = generic_file_write,
diff --git a/fs/jfs/jfs_inode.h b/fs/jfs/jfs_inode.h
index 095d471b9f9a..c30072674464 100644
--- a/fs/jfs/jfs_inode.h
+++ b/fs/jfs/jfs_inode.h
@@ -35,9 +35,9 @@ extern void jfs_set_inode_flags(struct inode *);
 extern struct address_space_operations jfs_aops;
 extern struct inode_operations jfs_dir_inode_operations;
-extern struct file_operations jfs_dir_operations;
+extern const struct file_operations jfs_dir_operations;
 extern struct inode_operations jfs_file_inode_operations;
-extern struct file_operations jfs_file_operations;
+extern const struct file_operations jfs_file_operations;
 extern struct inode_operations jfs_symlink_inode_operations;
 extern struct dentry_operations jfs_ci_dentry_operations;
 #endif                          /* _H_JFS_INODE */
diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c
index 309cee575f7d..09ea03f62277 100644
--- a/fs/jfs/namei.c
+++ b/fs/jfs/namei.c
@@ -1519,7 +1519,7 @@ struct inode_operations jfs_dir_inode_operations = {
 #endif
 };
-struct file_operations jfs_dir_operations = {
+const struct file_operations jfs_dir_operations = {
        .read           = generic_read_dir,
        .readdir        = jfs_readdir,
        .fsync          = jfs_fsync,
diff --git a/fs/libfs.c b/fs/libfs.c
index 4fdeaceb892c..7145ba7a48d0 100644
--- a/fs/libfs.c
+++ b/fs/libfs.c
@@ -179,7 +179,7 @@ ssize_t generic_read_dir(struct file *filp, char __user *buf, size_t siz, loff_t
        return -EISDIR;
 }
-struct file_operations simple_dir_operations = {
+const struct file_operations simple_dir_operations = {
        .open           = dcache_dir_open,
        .release        = dcache_dir_close,
        .llseek         = dcache_dir_lseek,
diff --git a/fs/mbcache.c b/fs/mbcache.c
index 73e754fea2d8..e4fde1ab22cd 100644
--- a/fs/mbcache.c
+++ b/fs/mbcache.c
@@ -311,7 +311,7 @@ fail:
 /*
 * mb_cache_shrink()
 *
- * Removes all cache entires of a device from the cache. All cache entries
+ * Removes all cache entries of a device from the cache. All cache entries
 * currently in use cannot be freed, and thus remain in the cache. All others
 * are freed.
 *
diff --git a/fs/minix/dir.c b/fs/minix/dir.c
index 732502aabc05..69224d1fe043 100644
--- a/fs/minix/dir.c
+++ b/fs/minix/dir.c
@@ -14,7 +14,7 @@ typedef struct minix_dir_entry minix_dirent;
 static int minix_readdir(struct file *, void *, filldir_t);
-struct file_operations minix_dir_operations = {
+const struct file_operations minix_dir_operations = {
        .read           = generic_read_dir,
        .readdir        = minix_readdir,
        .fsync          = minix_sync_file,
diff --git a/fs/minix/file.c b/fs/minix/file.c
index f1d77acb3f01..420b32882a10 100644
--- a/fs/minix/file.c
+++ b/fs/minix/file.c
@@ -15,7 +15,7 @@
 */
 int minix_sync_file(struct file *, struct dentry *, int);
-struct file_operations minix_file_operations = {
+const struct file_operations minix_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_file_read,
        .write          = generic_file_write,
diff --git a/fs/minix/minix.h b/fs/minix/minix.h
index e42a8bb89001..c55b77cdcc8e 100644
--- a/fs/minix/minix.h
+++ b/fs/minix/minix.h
@@ -81,8 +81,8 @@ extern int minix_sync_file(struct file *, struct dentry *, int);
 extern struct inode_operations minix_file_inode_operations;
 extern struct inode_operations minix_dir_inode_operations;
-extern struct file_operations minix_file_operations;
+extern const struct file_operations minix_file_operations;
-extern struct file_operations minix_dir_operations;
+extern const struct file_operations minix_dir_operations;
 extern struct dentry_operations minix_dentry_operations;
 static inline struct minix_sb_info *minix_sb(struct super_block *sb)
diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c
index cfd76f431dc0..f0860c602d8b 100644
--- a/fs/ncpfs/dir.c
+++ b/fs/ncpfs/dir.c
@@ -49,7 +49,7 @@ extern int ncp_symlink(struct inode *, struct dentry *, const char *);
 #define ncp_symlink NULL
 #endif
                      
-struct file_operations ncp_dir_operations =
+const struct file_operations ncp_dir_operations =
 {
        .read           = generic_read_dir,
        .readdir        = ncp_readdir,
diff --git a/fs/ncpfs/file.c b/fs/ncpfs/file.c
index ebdad8f6398f..e6b7c67cf057 100644
--- a/fs/ncpfs/file.c
+++ b/fs/ncpfs/file.c
@@ -283,7 +283,7 @@ static int ncp_release(struct inode *inode, struct file *file) {
        return 0;
 }
-struct file_operations ncp_file_operations =
+const struct file_operations ncp_file_operations =
 {
        .llseek         = remote_llseek,
        .read           = ncp_file_read,
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 06c48b385c94..a23f34894167 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -54,7 +54,7 @@ static int nfs_rename(struct inode *, struct dentry *,
 static int nfs_fsync_dir(struct file *, struct dentry *, int);
 static loff_t nfs_llseek_dir(struct file *, loff_t, int);
-struct file_operations nfs_dir_operations = {
+const struct file_operations nfs_dir_operations = {
        .llseek         = nfs_llseek_dir,
        .read           = generic_read_dir,
        .readdir        = nfs_readdir,
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index dee49a0cb995..f1df2c8d9259 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -49,7 +49,7 @@ static int nfs_check_flags(int flags);
 static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl);
 static int nfs_flock(struct file *filp, int cmd, struct file_lock *fl);
-struct file_operations nfs_file_operations = {
+const struct file_operations nfs_file_operations = {
        .llseek         = nfs_file_llseek,
        .read           = do_sync_read,
        .write          = do_sync_write,
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index c8960aff0968..3ef017b3b5bd 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -134,7 +134,7 @@ static ssize_t nfsctl_transaction_read(struct file *file, char __user *buf, size
        return simple_transaction_read(file, buf, size, pos);
 }
-static struct file_operations transaction_ops = {
+static const struct file_operations transaction_ops = {
        .write          = nfsctl_transaction_write,
        .read           = nfsctl_transaction_read,
        .release        = simple_transaction_release,
@@ -146,7 +146,7 @@ static int exports_open(struct inode *inode, struct file *file)
        return seq_open(file, &nfs_exports_op);
 }
-static struct file_operations exports_operations = {
+static const struct file_operations exports_operations = {
        .open           = exports_open,
        .read           = seq_read,
        .llseek         = seq_lseek,
diff --git a/fs/nfsd/stats.c b/fs/nfsd/stats.c
index 1cf955bcc526..57265d563804 100644
--- a/fs/nfsd/stats.c
+++ b/fs/nfsd/stats.c
@@ -80,7 +80,7 @@ static int nfsd_proc_open(struct inode *inode, struct file *file)
        return single_open(file, nfsd_proc_show, NULL);
 }
-static struct file_operations nfsd_proc_fops = {
+static const struct file_operations nfsd_proc_fops = {
        .owner = THIS_MODULE,
        .open = nfsd_proc_open,
        .read  = seq_read,
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 5320e5afaddb..31018333dc38 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -706,7 +706,7 @@ nfsd_close(struct file *filp)
 * after it.
 */
 static inline int nfsd_dosync(struct file *filp, struct dentry *dp,
-                              struct file_operations *fop)
+                              const struct file_operations *fop)
 {
        struct inode *inode = dp->d_inode;
        int (*fsync) (struct file *, struct dentry *, int);
diff --git a/fs/ntfs/dir.c b/fs/ntfs/dir.c
index 9d9ed3fe371d..d1e2c6f9f05e 100644
--- a/fs/ntfs/dir.c
+++ b/fs/ntfs/dir.c
@@ -1553,7 +1553,7 @@ static int ntfs_dir_fsync(struct file *filp, struct dentry *dentry,
 #endif /* NTFS_RW */
-struct file_operations ntfs_dir_ops = {
+const struct file_operations ntfs_dir_ops = {
        .llseek         = generic_file_llseek,  /* Seek inside directory. */
        .read           = generic_read_dir,     /* Return -EISDIR. */
        .readdir        = ntfs_readdir,         /* Read directory contents. */
diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c
index f5d057e4acc2..c63a83e8da98 100644
--- a/fs/ntfs/file.c
+++ b/fs/ntfs/file.c
@@ -2294,7 +2294,7 @@ static int ntfs_file_fsync(struct file *filp, struct dentry *dentry,
 #endif /* NTFS_RW */
-struct file_operations ntfs_file_ops = {
+const struct file_operations ntfs_file_ops = {
        .llseek         = generic_file_llseek,   /* Seek inside file. */
        .read           = generic_file_read,     /* Read from file. */
        .aio_read       = generic_file_aio_read, /* Async read from file. */
@@ -2337,6 +2337,6 @@ struct inode_operations ntfs_file_inode_ops = {
 #endif /* NTFS_RW */
 };
-struct file_operations ntfs_empty_file_ops = {};
+const struct file_operations ntfs_empty_file_ops = {};
 struct inode_operations ntfs_empty_inode_ops = {};
diff --git a/fs/ntfs/ntfs.h b/fs/ntfs/ntfs.h
index 166142960b53..bf7b3d7c0930 100644
--- a/fs/ntfs/ntfs.h
+++ b/fs/ntfs/ntfs.h
@@ -60,13 +60,13 @@ extern struct kmem_cache *ntfs_index_ctx_cache;
 extern struct address_space_operations ntfs_aops;
 extern struct address_space_operations ntfs_mst_aops;
-extern struct  file_operations ntfs_file_ops;
+extern const struct  file_operations ntfs_file_ops;
 extern struct inode_operations ntfs_file_inode_ops;
-extern struct  file_operations ntfs_dir_ops;
+extern const struct  file_operations ntfs_dir_ops;
 extern struct inode_operations ntfs_dir_inode_ops;
-extern struct  file_operations ntfs_empty_file_ops;
+extern const struct  file_operations ntfs_empty_file_ops;
 extern struct inode_operations ntfs_empty_inode_ops;
 extern struct export_operations ntfs_export_ops;
diff --git a/fs/ocfs2/dlmglue.c b/fs/ocfs2/dlmglue.c
index 84f153aca692..64cd52860c87 100644
--- a/fs/ocfs2/dlmglue.c
+++ b/fs/ocfs2/dlmglue.c
@@ -2017,7 +2017,7 @@ out:
        return ret;
 }
-static struct file_operations ocfs2_dlm_debug_fops = {
+static const struct file_operations ocfs2_dlm_debug_fops = {
        .open =         ocfs2_dlm_debug_open,
        .release =      ocfs2_dlm_debug_release,
        .read =         seq_read,
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index 4b4cbadd5838..34e903a6a46b 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -1176,7 +1176,7 @@ struct inode_operations ocfs2_special_file_iops = {
        .getattr        = ocfs2_getattr,
 };
-struct file_operations ocfs2_fops = {
+const struct file_operations ocfs2_fops = {
        .read           = do_sync_read,
        .write          = do_sync_write,
        .sendfile       = generic_file_sendfile,
@@ -1188,7 +1188,7 @@ struct file_operations ocfs2_fops = {
        .aio_write      = ocfs2_file_aio_write,
 };
-struct file_operations ocfs2_dops = {
+const struct file_operations ocfs2_dops = {
        .read           = generic_read_dir,
        .readdir        = ocfs2_readdir,
        .fsync          = ocfs2_sync_file,
diff --git a/fs/ocfs2/file.h b/fs/ocfs2/file.h
index a5ea33b24060..740c9e7ca599 100644
--- a/fs/ocfs2/file.h
+++ b/fs/ocfs2/file.h
@@ -26,8 +26,8 @@
 #ifndef OCFS2_FILE_H
 #define OCFS2_FILE_H
-extern struct file_operations ocfs2_fops;
+extern const struct file_operations ocfs2_fops;
-extern struct file_operations ocfs2_dops;
+extern const struct file_operations ocfs2_dops;
 extern struct inode_operations ocfs2_file_iops;
 extern struct inode_operations ocfs2_special_file_iops;
 struct ocfs2_alloc_context;
diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c
index aeb0106890e4..0f14276a2e51 100644
--- a/fs/openpromfs/inode.c
+++ b/fs/openpromfs/inode.c
@@ -581,17 +581,17 @@ int property_release (struct inode *inode, struct file *filp)
        return 0;
 }
-static struct file_operations openpromfs_prop_ops = {
+static const struct file_operations openpromfs_prop_ops = {
        .read           = property_read,
        .write          = property_write,
        .release        = property_release,
 };
-static struct file_operations openpromfs_nodenum_ops = {
+static const struct file_operations openpromfs_nodenum_ops = {
        .read           = nodenum_read,
 };
-static struct file_operations openprom_operations = {
+static const struct file_operations openprom_operations = {
        .read           = generic_read_dir,
        .readdir        = openpromfs_readdir,
 };
diff --git a/fs/pipe.c b/fs/pipe.c
index 4384c9290943..e2f4f1d9ffc2 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -568,7 +568,7 @@ pipe_rdwr_open(struct inode *inode, struct file *filp)
 * The file_operations structs are not static because they
 * are also used in linux/fs/fifo.c to do operations on FIFOs.
 */
-struct file_operations read_fifo_fops = {
+const struct file_operations read_fifo_fops = {
        .llseek         = no_llseek,
        .read           = pipe_read,
        .readv          = pipe_readv,
@@ -580,7 +580,7 @@ struct file_operations read_fifo_fops = {
        .fasync         = pipe_read_fasync,
 };
-struct file_operations write_fifo_fops = {
+const struct file_operations write_fifo_fops = {
        .llseek         = no_llseek,
        .read           = bad_pipe_r,
        .write          = pipe_write,
@@ -592,7 +592,7 @@ struct file_operations write_fifo_fops = {
        .fasync         = pipe_write_fasync,
 };
-struct file_operations rdwr_fifo_fops = {
+const struct file_operations rdwr_fifo_fops = {
        .llseek         = no_llseek,
        .read           = pipe_read,
        .readv          = pipe_readv,
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 47b7a20d45eb..4ba03009cf72 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -560,7 +560,7 @@ static void proc_kill_inodes(struct proc_dir_entry *de)
                struct file * filp = list_entry(p, struct file, f_u.fu_list);
                struct dentry * dentry = filp->f_dentry;
                struct inode * inode;
-                struct file_operations *fops;
+                const struct file_operations *fops;
                if (dentry->d_op != &proc_dentry_operations)
                        continue;
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index 95a1cf32b838..0502f17b860d 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -30,7 +30,7 @@ do {						\
 #endif
-extern void create_seq_entry(char *name, mode_t mode, struct file_operations *f);
+extern void create_seq_entry(char *name, mode_t mode, const struct file_operations *f);
 extern int proc_exe_link(struct inode *, struct dentry **, struct vfsmount **);
 extern int proc_tid_stat(struct task_struct *,  char *);
 extern int proc_tgid_stat(struct task_struct *, char *);
diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index adc2cd95169a..17f6e8fa1397 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -31,7 +31,7 @@ static int open_kcore(struct inode * inode, struct file * filp)
 static ssize_t read_kcore(struct file *, char __user *, size_t, loff_t *);
-struct file_operations proc_kcore_operations = {
+const struct file_operations proc_kcore_operations = {
        .read           = read_kcore,
        .open           = open_kcore,
 };
diff --git a/fs/proc/kmsg.c b/fs/proc/kmsg.c
index 10d37bf25206..ff3b90b56e9d 100644
--- a/fs/proc/kmsg.c
+++ b/fs/proc/kmsg.c
@@ -47,7 +47,7 @@ static unsigned int kmsg_poll(struct file *file, poll_table *wait)
 }
-struct file_operations proc_kmsg_operations = {
+const struct file_operations proc_kmsg_operations = {
        .read           = kmsg_read,
        .poll           = kmsg_poll,
        .open           = kmsg_open,
diff --git a/fs/proc/proc_misc.c b/fs/proc/proc_misc.c
index 1e9ea37d457e..ef5a3323f4b5 100644
--- a/fs/proc/proc_misc.c
+++ b/fs/proc/proc_misc.c
@@ -534,7 +534,7 @@ static int show_stat(struct seq_file *p, void *v)
        if (wall_to_monotonic.tv_nsec)
                --jif;
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                int j;
                user = cputime64_add(user, kstat_cpu(i).cpustat.user);
@@ -731,7 +731,7 @@ static struct file_operations proc_sysrq_trigger_operations = {
 struct proc_dir_entry *proc_root_kcore;
-void create_seq_entry(char *name, mode_t mode, struct file_operations *f)
+void create_seq_entry(char *name, mode_t mode, const struct file_operations *f)
 {
        struct proc_dir_entry *entry;
        entry = create_proc_entry(name, mode, NULL);
diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 4063fb32f78c..7efa73d44c9a 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -172,7 +172,7 @@ static int open_vmcore(struct inode *inode, struct file *filp)
        return 0;
 }
-struct file_operations proc_vmcore_operations = {
+const struct file_operations proc_vmcore_operations = {
        .read           = read_vmcore,
        .open           = open_vmcore,
 };
diff --git a/fs/qnx4/dir.c b/fs/qnx4/dir.c
index 7a8f5595c26f..9031948fefd0 100644
--- a/fs/qnx4/dir.c
+++ b/fs/qnx4/dir.c
@@ -81,7 +81,7 @@ out:
        return 0;
 }
-struct file_operations qnx4_dir_operations =
+const struct file_operations qnx4_dir_operations =
 {
        .read           = generic_read_dir,
        .readdir        = qnx4_readdir,
diff --git a/fs/qnx4/file.c b/fs/qnx4/file.c
index c33963fded9e..62af4b1348bd 100644
--- a/fs/qnx4/file.c
+++ b/fs/qnx4/file.c
@@ -19,7 +19,7 @@
 * We have mostly NULL's here: the current defaults are ok for
 * the qnx4 filesystem.
 */
-struct file_operations qnx4_file_operations =
+const struct file_operations qnx4_file_operations =
 {
        .llseek         = generic_file_llseek,
        .read           = generic_file_read,
diff --git a/fs/ramfs/file-mmu.c b/fs/ramfs/file-mmu.c
index 6ada2095b9ac..00a933eb820c 100644
--- a/fs/ramfs/file-mmu.c
+++ b/fs/ramfs/file-mmu.c
@@ -32,7 +32,7 @@ struct address_space_operations ramfs_aops = {
        .commit_write   = simple_commit_write
 };
-struct file_operations ramfs_file_operations = {
+const struct file_operations ramfs_file_operations = {
        .read           = generic_file_read,
        .write          = generic_file_write,
        .mmap           = generic_file_mmap,
diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
index b1ca234068f6..f443a84b98a5 100644
--- a/fs/ramfs/file-nommu.c
+++ b/fs/ramfs/file-nommu.c
@@ -33,7 +33,7 @@ struct address_space_operations ramfs_aops = {
        .commit_write           = simple_commit_write
 };
-struct file_operations ramfs_file_operations = {
+const struct file_operations ramfs_file_operations = {
        .mmap                   = ramfs_nommu_mmap,
        .get_unmapped_area      = ramfs_nommu_get_unmapped_area,
        .read                   = generic_file_read,
diff --git a/fs/ramfs/internal.h b/fs/ramfs/internal.h
index 272c8a7120b0..313237631b49 100644
--- a/fs/ramfs/internal.h
+++ b/fs/ramfs/internal.h
@@ -11,5 +11,5 @@
 extern struct address_space_operations ramfs_aops;
-extern struct file_operations ramfs_file_operations;
+extern const struct file_operations ramfs_file_operations;
 extern struct inode_operations ramfs_file_inode_operations;
diff --git a/fs/read_write.c b/fs/read_write.c
index 34b1bf259efd..6256ca81a718 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -19,7 +19,7 @@
 #include <asm/uaccess.h>
 #include <asm/unistd.h>
-struct file_operations generic_ro_fops = {
+const struct file_operations generic_ro_fops = {
        .llseek         = generic_file_llseek,
        .read           = generic_file_read,
        .mmap           = generic_file_readonly_mmap,
diff --git a/fs/reiserfs/dir.c b/fs/reiserfs/dir.c
index d71ac6579289..973c819f8033 100644
--- a/fs/reiserfs/dir.c
+++ b/fs/reiserfs/dir.c
@@ -18,7 +18,7 @@ static int reiserfs_readdir(struct file *, void *, filldir_t);
 static int reiserfs_dir_fsync(struct file *filp, struct dentry *dentry,
                              int datasync);
-struct file_operations reiserfs_dir_operations = {
+const struct file_operations reiserfs_dir_operations = {
        .read = generic_read_dir,
        .readdir = reiserfs_readdir,
        .fsync = reiserfs_dir_fsync,
diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c
index d0c1e865963e..010094d14da6 100644
--- a/fs/reiserfs/file.c
+++ b/fs/reiserfs/file.c
@@ -1566,7 +1566,7 @@ static ssize_t reiserfs_aio_write(struct kiocb *iocb, const char __user * buf,
        return generic_file_aio_write(iocb, buf, count, pos);
 }
-struct file_operations reiserfs_file_operations = {
+const struct file_operations reiserfs_file_operations = {
        .read = generic_file_read,
        .write = reiserfs_file_write,
        .ioctl = reiserfs_ioctl,
diff --git a/fs/reiserfs/procfs.c b/fs/reiserfs/procfs.c
index ef6caed9336b..731688e1cfe3 100644
--- a/fs/reiserfs/procfs.c
+++ b/fs/reiserfs/procfs.c
@@ -470,7 +470,7 @@ static int r_open(struct inode *inode, struct file *file)
        return ret;
 }
-static struct file_operations r_file_operations = {
+static const struct file_operations r_file_operations = {
        .open = r_open,
        .read = seq_read,
        .llseek = seq_lseek,
diff --git a/fs/romfs/inode.c b/fs/romfs/inode.c
index c2fc424d7d5c..9b9eda7b335c 100644
--- a/fs/romfs/inode.c
+++ b/fs/romfs/inode.c
@@ -463,7 +463,7 @@ static struct address_space_operations romfs_aops = {
        .readpage = romfs_readpage
 };
-static struct file_operations romfs_dir_operations = {
+static const struct file_operations romfs_dir_operations = {
        .read           = generic_read_dir,
        .readdir        = romfs_readdir,
 };
diff --git a/fs/select.c b/fs/select.c
index 1815a57d2255..b3a3a1326af6 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -29,12 +29,6 @@
 #define ROUND_UP(x,y) (((x)+(y)-1)/(y))
 #define DEFAULT_POLLMASK (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM)
-struct poll_table_entry {
-        struct file * filp;
-        wait_queue_t wait;
-        wait_queue_head_t * wait_address;
-};
 struct poll_table_page {
        struct poll_table_page * next;
        struct poll_table_entry * entry;
@@ -64,13 +58,23 @@ void poll_initwait(struct poll_wqueues *pwq)
        init_poll_funcptr(&pwq->pt, __pollwait);
        pwq->error = 0;
        pwq->table = NULL;
+        pwq->inline_index = 0;
 }
 EXPORT_SYMBOL(poll_initwait);
+static void free_poll_entry(struct poll_table_entry *entry)
+{
+        remove_wait_queue(entry->wait_address,&entry->wait);
+        fput(entry->filp);
+}
 void poll_freewait(struct poll_wqueues *pwq)
 {
        struct poll_table_page * p = pwq->table;
+        int i;
+        for (i = 0; i < pwq->inline_index; i++)
+                free_poll_entry(pwq->inline_entries + i);
        while (p) {
                struct poll_table_entry * entry;
                struct poll_table_page *old;
@@ -78,8 +82,7 @@ void poll_freewait(struct poll_wqueues *pwq)
                entry = p->entry;
                do {
                        entry--;
-                        remove_wait_queue(entry->wait_address,&entry->wait);
+                        free_poll_entry(entry);
-                        fput(entry->filp);
                } while (entry > p->entries);
                old = p;
                p = p->next;
@@ -89,12 +92,14 @@ void poll_freewait(struct poll_wqueues *pwq)
 EXPORT_SYMBOL(poll_freewait);
-static void __pollwait(struct file *filp, wait_queue_head_t *wait_address,
+static struct poll_table_entry *poll_get_entry(poll_table *_p)
-                       poll_table *_p)
 {
        struct poll_wqueues *p = container_of(_p, struct poll_wqueues, pt);
        struct poll_table_page *table = p->table;
+        if (p->inline_index < N_INLINE_POLL_ENTRIES)
+                return p->inline_entries + p->inline_index++;
        if (!table || POLL_TABLE_FULL(table)) {
                struct poll_table_page *new_table;
@@ -102,7 +107,7 @@ static void __pollwait(struct file *filp, wait_queue_head_t *wait_address,
                if (!new_table) {
                        p->error = -ENOMEM;
                        __set_current_state(TASK_RUNNING);
-                        return;
+                        return NULL;
                }
                new_table->entry = new_table->entries;
                new_table->next = table;
@@ -110,16 +115,21 @@ static void __pollwait(struct file *filp, wait_queue_head_t *wait_address,
                table = new_table;
        }
-        /* Add a new entry */
+        return table->entry++;
-        {
+}
-                struct poll_table_entry * entry = table->entry;
-                table->entry = entry+1;
+/* Add a new entry */
-                get_file(filp);
+static void __pollwait(struct file *filp, wait_queue_head_t *wait_address,
-                entry->filp = filp;
+                                poll_table *p)
-                entry->wait_address = wait_address;
+{
-                init_waitqueue_entry(&entry->wait, current);
+        struct poll_table_entry *entry = poll_get_entry(p);
-                add_wait_queue(wait_address,&entry->wait);
+        if (!entry)
-        }
+                return;
+        get_file(filp);
+        entry->filp = filp;
+        entry->wait_address = wait_address;
+        init_waitqueue_entry(&entry->wait, current);
+        add_wait_queue(wait_address,&entry->wait);
 }
 #define FDS_IN(fds, n)          (fds->in + n)
@@ -210,7 +220,7 @@ int do_select(int n, fd_set_bits *fds, s64 *timeout)
                for (i = 0; i < n; ++rinp, ++routp, ++rexp) {
                        unsigned long in, out, ex, all_bits, bit = 1, mask, j;
                        unsigned long res_in = 0, res_out = 0, res_ex = 0;
-                        struct file_operations *f_op = NULL;
+                        const struct file_operations *f_op = NULL;
                        struct file *file = NULL;
                        in = *inp++; out = *outp++; ex = *exp++;
@@ -221,17 +231,18 @@ int do_select(int n, fd_set_bits *fds, s64 *timeout)
                        }
                        for (j = 0; j < __NFDBITS; ++j, ++i, bit <<= 1) {
+                                int fput_needed;
                                if (i >= n)
                                        break;
                                if (!(bit & all_bits))
                                        continue;
-                                file = fget(i);
+                                file = fget_light(i, &fput_needed);
                                if (file) {
                                        f_op = file->f_op;
                                        mask = DEFAULT_POLLMASK;
                                        if (f_op && f_op->poll)
                                                mask = (*f_op->poll)(file, retval ? NULL : wait);
-                                        fput(file);
+                                        fput_light(file, fput_needed);
                                        if ((mask & POLLIN_SET) && (in & bit)) {
                                                res_in |= bit;
                                                retval++;
@@ -284,16 +295,6 @@ int do_select(int n, fd_set_bits *fds, s64 *timeout)
        return retval;
 }
-static void *select_bits_alloc(int size)
-{
-        return kmalloc(6 * size, GFP_KERNEL);
-}
-static void select_bits_free(void *bits, int size)
-{
-        kfree(bits);
-}
 /*
 * We can actually return ERESTARTSYS instead of EINTR, but I'd
 * like to be certain this leads to no problems. So I return
@@ -312,6 +313,8 @@ static int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp,
        char *bits;
        int ret, size, max_fdset;
        struct fdtable *fdt;
+        /* Allocate small arguments on the stack to save memory and be faster */
+        char stack_fds[SELECT_STACK_ALLOC];
        ret = -EINVAL;
        if (n < 0)
@@ -332,7 +335,10 @@ static int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp,
         */
        ret = -ENOMEM;
        size = FDS_BYTES(n);
-        bits = select_bits_alloc(size);
+        if (6*size < SELECT_STACK_ALLOC)
+                bits = stack_fds;
+        else
+                bits = kmalloc(6 * size, GFP_KERNEL);
        if (!bits)
                goto out_nofds;
        fds.in      = (unsigned long *)  bits;
@@ -367,7 +373,8 @@ static int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp,
                ret = -EFAULT;
 out:
-        select_bits_free(bits, size);
+        if (bits != stack_fds)
+                kfree(bits);
 out_nofds:
        return ret;
 }
@@ -551,14 +558,15 @@ static void do_pollfd(unsigned int num, struct pollfd * fdpage,
                fdp = fdpage+i;
                fd = fdp->fd;
                if (fd >= 0) {
-                        struct file * file = fget(fd);
+                        int fput_needed;
+                        struct file * file = fget_light(fd, &fput_needed);
                        mask = POLLNVAL;
                        if (file != NULL) {
                                mask = DEFAULT_POLLMASK;
                                if (file->f_op && file->f_op->poll)
                                        mask = file->f_op->poll(file, *pwait);
                                mask &= fdp->events | POLLERR | POLLHUP;
-                                fput(file);
+                                fput_light(file, fput_needed);
                        }
                        if (mask) {
                                *pwait = NULL;
@@ -619,6 +627,9 @@ static int do_poll(unsigned int nfds,  struct poll_list *list,
        return count;
 }
+#define N_STACK_PPS ((sizeof(stack_pps) - sizeof(struct poll_list))  / \
+                        sizeof(struct pollfd))
 int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds, s64 *timeout)
 {
        struct poll_wqueues table;
@@ -628,6 +639,9 @@ int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds, s64 *timeout)
        struct poll_list *walk;
        struct fdtable *fdt;
        int max_fdset;
+        /* Allocate small arguments on the stack to save memory and be faster */
+        char stack_pps[POLL_STACK_ALLOC];
+        struct poll_list *stack_pp = NULL;
        /* Do a sanity check on nfds ... */
        rcu_read_lock();
@@ -645,14 +659,23 @@ int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds, s64 *timeout)
        err = -ENOMEM;
        while(i!=0) {
                struct poll_list *pp;
-                pp = kmalloc(sizeof(struct poll_list)+
+                int num, size;
-                                sizeof(struct pollfd)*
+                if (stack_pp == NULL)
-                                (i>POLLFD_PER_PAGE?POLLFD_PER_PAGE:i),
+                        num = N_STACK_PPS;
-                                        GFP_KERNEL);
+                else
-                if(pp==NULL)
+                        num = POLLFD_PER_PAGE;
-                        goto out_fds;
+                if (num > i)
+                        num = i;
+                size = sizeof(struct poll_list) + sizeof(struct pollfd)*num;
+                if (!stack_pp)
+                        stack_pp = pp = (struct poll_list *)stack_pps;
+                else {
+                        pp = kmalloc(size, GFP_KERNEL);
+                        if (!pp)
+                                goto out_fds;
+                }
                pp->next=NULL;
-                pp->len = (i>POLLFD_PER_PAGE?POLLFD_PER_PAGE:i);
+                pp->len = num;
                if (head == NULL)
                        head = pp;
                else
@@ -660,7 +683,7 @@ int do_sys_poll(struct pollfd __user *ufds, unsigned int nfds, s64 *timeout)
                walk = pp;
                if (copy_from_user(pp->entries, ufds + nfds-i, 
-                                sizeof(struct pollfd)*pp->len)) {
+                                sizeof(struct pollfd)*num)) {
                        err = -EFAULT;
                        goto out_fds;
                }
@@ -689,7 +712,8 @@ out_fds:
        walk = head;
        while(walk!=NULL) {
                struct poll_list *pp = walk->next;
-                kfree(walk);
+                if (walk != stack_pp)
+                        kfree(walk);
                walk = pp;
        }
        poll_freewait(&table);
diff --git a/fs/smbfs/dir.c b/fs/smbfs/dir.c
index 0424d06b147e..34c7a11d91f0 100644
--- a/fs/smbfs/dir.c
+++ b/fs/smbfs/dir.c
@@ -34,7 +34,7 @@ static int smb_rename(struct inode *, struct dentry *,
 static int smb_make_node(struct inode *,struct dentry *,int,dev_t);
 static int smb_link(struct dentry *, struct inode *, struct dentry *);
-struct file_operations smb_dir_operations =
+const struct file_operations smb_dir_operations =
 {
        .read           = generic_read_dir,
        .readdir        = smb_readdir,
diff --git a/fs/smbfs/file.c b/fs/smbfs/file.c
index 7042e62726a4..c56bd99a9701 100644
--- a/fs/smbfs/file.c
+++ b/fs/smbfs/file.c
@@ -401,7 +401,7 @@ smb_file_permission(struct inode *inode, int mask, struct nameidata *nd)
        return error;
 }
-struct file_operations smb_file_operations =
+const struct file_operations smb_file_operations =
 {
        .llseek         = remote_llseek,
        .read           = smb_file_read,
diff --git a/fs/smbfs/proto.h b/fs/smbfs/proto.h
index e866ec8660d0..47664597e6b1 100644
--- a/fs/smbfs/proto.h
+++ b/fs/smbfs/proto.h
@@ -35,7 +35,7 @@ extern int smb_proc_symlink(struct smb_sb_info *server, struct dentry *d, const
 extern int smb_proc_link(struct smb_sb_info *server, struct dentry *dentry, struct dentry *new_dentry);
 extern void smb_install_null_ops(struct smb_ops *ops);
 /* dir.c */
-extern struct file_operations smb_dir_operations;
+extern const struct file_operations smb_dir_operations;
 extern struct inode_operations smb_dir_inode_operations;
 extern struct inode_operations smb_dir_inode_operations_unix;
 extern void smb_new_dentry(struct dentry *dentry);
@@ -64,7 +64,7 @@ extern int smb_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat
 extern int smb_notify_change(struct dentry *dentry, struct iattr *attr);
 /* file.c */
 extern struct address_space_operations smb_file_aops;
-extern struct file_operations smb_file_operations;
+extern const struct file_operations smb_file_operations;
 extern struct inode_operations smb_file_inode_operations;
 /* ioctl.c */
 extern int smb_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, unsigned long arg);
diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c
index 78899eeab974..c16a93c353c0 100644
--- a/fs/sysfs/bin.c
+++ b/fs/sysfs/bin.c
@@ -163,7 +163,7 @@ static int release(struct inode * inode, struct file * file)
        return 0;
 }
-struct file_operations bin_fops = {
+const struct file_operations bin_fops = {
        .read           = read,
        .write          = write,
        .mmap           = mmap,
diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index 9ee956864445..f26880a4785e 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -503,7 +503,7 @@ static loff_t sysfs_dir_lseek(struct file * file, loff_t offset, int origin)
        return offset;
 }
-struct file_operations sysfs_dir_operations = {
+const struct file_operations sysfs_dir_operations = {
        .open           = sysfs_dir_open,
        .release        = sysfs_dir_close,
        .llseek         = sysfs_dir_lseek,
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c
index 5e83e7246788..830f76fa098c 100644
--- a/fs/sysfs/file.c
+++ b/fs/sysfs/file.c
@@ -348,7 +348,7 @@ static int sysfs_release(struct inode * inode, struct file * filp)
        return 0;
 }
-struct file_operations sysfs_file_operations = {
+const struct file_operations sysfs_file_operations = {
        .read           = sysfs_read_file,
        .write          = sysfs_write_file,
        .llseek         = generic_file_llseek,
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h
index cf11d5b789d9..32958a7c50e9 100644
--- a/fs/sysfs/sysfs.h
+++ b/fs/sysfs/sysfs.h
@@ -21,9 +21,9 @@ extern int sysfs_setattr(struct dentry *dentry, struct iattr *iattr);
 extern struct rw_semaphore sysfs_rename_sem;
 extern struct super_block * sysfs_sb;
-extern struct file_operations sysfs_dir_operations;
+extern const struct file_operations sysfs_dir_operations;
-extern struct file_operations sysfs_file_operations;
+extern const struct file_operations sysfs_file_operations;
-extern struct file_operations bin_fops;
+extern const struct file_operations bin_fops;
 extern struct inode_operations sysfs_dir_inode_operations;
 extern struct inode_operations sysfs_symlink_inode_operations;
diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c
index cce8b05cba5a..8c66e9270dd6 100644
--- a/fs/sysv/dir.c
+++ b/fs/sysv/dir.c
@@ -20,7 +20,7 @@
 static int sysv_readdir(struct file *, void *, filldir_t);
-struct file_operations sysv_dir_operations = {
+const struct file_operations sysv_dir_operations = {
        .read           = generic_read_dir,
        .readdir        = sysv_readdir,
        .fsync          = sysv_sync_file,
diff --git a/fs/sysv/file.c b/fs/sysv/file.c
index da69abc06240..a59e303135fa 100644
--- a/fs/sysv/file.c
+++ b/fs/sysv/file.c
@@ -19,7 +19,7 @@
 * We have mostly NULLs here: the current defaults are OK for
 * the coh filesystem.
 */
-struct file_operations sysv_file_operations = {
+const struct file_operations sysv_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_file_read,
        .write          = generic_file_write,
diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h
index b7f9b4a42aab..393a480e4deb 100644
--- a/fs/sysv/sysv.h
+++ b/fs/sysv/sysv.h
@@ -159,8 +159,8 @@ extern ino_t sysv_inode_by_name(struct dentry *);
 extern struct inode_operations sysv_file_inode_operations;
 extern struct inode_operations sysv_dir_inode_operations;
 extern struct inode_operations sysv_fast_symlink_inode_operations;
-extern struct file_operations sysv_file_operations;
+extern const struct file_operations sysv_file_operations;
-extern struct file_operations sysv_dir_operations;
+extern const struct file_operations sysv_dir_operations;
 extern struct address_space_operations sysv_aops;
 extern struct super_operations sysv_sops;
 extern struct dentry_operations sysv_dentry_operations;
diff --git a/fs/udf/dir.c b/fs/udf/dir.c
index f5222527fe39..8c28efa3b8ff 100644
--- a/fs/udf/dir.c
+++ b/fs/udf/dir.c
@@ -42,7 +42,7 @@ static int do_udf_readdir(struct inode *, struct file *, filldir_t, void *);
 /* readdir and lookup functions */
-struct file_operations udf_dir_operations = {
+const struct file_operations udf_dir_operations = {
        .read                   = generic_read_dir,
        .readdir                = udf_readdir,
        .ioctl                  = udf_ioctl,
diff --git a/fs/udf/file.c b/fs/udf/file.c
index a6f2acc1f15c..e34b00e303f1 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -248,7 +248,7 @@ static int udf_release_file(struct inode * inode, struct file * filp)
        return 0;
 }
-struct file_operations udf_file_operations = {
+const struct file_operations udf_file_operations = {
        .read                   = generic_file_read,
        .ioctl                  = udf_ioctl,
        .open                   = generic_file_open,
diff --git a/fs/udf/udfdecl.h b/fs/udf/udfdecl.h
index 1d5800e0cbe7..023e19ba5a2e 100644
--- a/fs/udf/udfdecl.h
+++ b/fs/udf/udfdecl.h
@@ -44,9 +44,9 @@ struct buffer_head;
 struct super_block;
 extern struct inode_operations udf_dir_inode_operations;
-extern struct file_operations udf_dir_operations;
+extern const struct file_operations udf_dir_operations;
 extern struct inode_operations udf_file_inode_operations;
-extern struct file_operations udf_file_operations;
+extern const struct file_operations udf_file_operations;
 extern struct address_space_operations udf_aops;
 extern struct address_space_operations udf_adinicb_aops;
 extern struct address_space_operations udf_symlink_aops;
diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c
index 7c10c68902ae..1a561202d3f4 100644
--- a/fs/ufs/dir.c
+++ b/fs/ufs/dir.c
@@ -620,7 +620,7 @@ int ufs_empty_dir (struct inode * inode)
        return 1;
 }
-struct file_operations ufs_dir_operations = {
+const struct file_operations ufs_dir_operations = {
        .read           = generic_read_dir,
        .readdir        = ufs_readdir,
        .fsync          = file_fsync,
diff --git a/fs/ufs/file.c b/fs/ufs/file.c
index 62ad481810ef..312fd3f86313 100644
--- a/fs/ufs/file.c
+++ b/fs/ufs/file.c
@@ -31,7 +31,7 @@
 * the ufs filesystem.
 */
 
-struct file_operations ufs_file_operations = {
+const struct file_operations ufs_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = generic_file_read,
        .write          = generic_file_write,
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index 185567a6a561..85997b1205f5 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -528,7 +528,7 @@ open_exec_out:
 }
 #endif /* HAVE_FOP_OPEN_EXEC */
-struct file_operations xfs_file_operations = {
+const struct file_operations xfs_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = do_sync_read,
        .write          = do_sync_write,
@@ -550,7 +550,7 @@ struct file_operations xfs_file_operations = {
 #endif
 };
-struct file_operations xfs_invis_file_operations = {
+const struct file_operations xfs_invis_file_operations = {
        .llseek         = generic_file_llseek,
        .read           = do_sync_read,
        .write          = do_sync_write,
@@ -570,7 +570,7 @@ struct file_operations xfs_invis_file_operations = {
 };
-struct file_operations xfs_dir_file_operations = {
+const struct file_operations xfs_dir_file_operations = {
        .read           = generic_read_dir,
        .readdir        = xfs_file_readdir,
        .unlocked_ioctl = xfs_file_ioctl,
diff --git a/fs/xfs/linux-2.6/xfs_iops.h b/fs/xfs/linux-2.6/xfs_iops.h
index a8417d7af5f9..ad6173da5678 100644
--- a/fs/xfs/linux-2.6/xfs_iops.h
+++ b/fs/xfs/linux-2.6/xfs_iops.h
@@ -22,9 +22,9 @@ extern struct inode_operations xfs_inode_operations;
 extern struct inode_operations xfs_dir_inode_operations;
 extern struct inode_operations xfs_symlink_inode_operations;
-extern struct file_operations xfs_file_operations;
+extern const struct file_operations xfs_file_operations;
-extern struct file_operations xfs_dir_file_operations;
+extern const struct file_operations xfs_dir_file_operations;
-extern struct file_operations xfs_invis_file_operations;
+extern const struct file_operations xfs_invis_file_operations;
 extern int xfs_ioctl(struct bhv_desc *, struct inode *, struct file *,
                        int, unsigned int, void __user *);
diff --git a/include/asm-alpha/poll.h b/include/asm-alpha/poll.h
index 95707182b3ed..76f89356b6a7 100644
--- a/include/asm-alpha/poll.h
+++ b/include/asm-alpha/poll.h
@@ -12,8 +12,8 @@
 #define POLLWRNORM      (1 << 8)
 #define POLLWRBAND      (1 << 9)
 #define POLLMSG         (1 << 10)
-#define POLLREMOVE      (1 << 11)
+#define POLLREMOVE      (1 << 12)
-#define POLLRDHUP       (1 << 12)
+#define POLLRDHUP       (1 << 13)
 struct pollfd {
diff --git a/include/asm-generic/local.h b/include/asm-generic/local.h
index 16fc00360f75..de4614840c2c 100644
--- a/include/asm-generic/local.h
+++ b/include/asm-generic/local.h
@@ -4,28 +4,28 @@
 #include <linux/config.h>
 #include <linux/percpu.h>
 #include <linux/hardirq.h>
+#include <asm/atomic.h>
 #include <asm/types.h>
 /* An unsigned long type for operations which are atomic for a single
 * CPU.  Usually used in combination with per-cpu variables. */
-#if BITS_PER_LONG == 32
 /* Implement in terms of atomics. */
 /* Don't use typedef: don't want them to be mixed with atomic_t's. */
 typedef struct
 {
-        atomic_t a;
+        atomic_long_t a;
 } local_t;
-#define LOCAL_INIT(i)   { ATOMIC_INIT(i) }
+#define LOCAL_INIT(i)   { ATOMIC_LONG_INIT(i) }
-#define local_read(l)   ((unsigned long)atomic_read(&(l)->a))
+#define local_read(l)   ((unsigned long)atomic_long_read(&(l)->a))
-#define local_set(l,i)  atomic_set((&(l)->a),(i))
+#define local_set(l,i)  atomic_long_set((&(l)->a),(i))
-#define local_inc(l)    atomic_inc(&(l)->a)
+#define local_inc(l)    atomic_long_inc(&(l)->a)
-#define local_dec(l)    atomic_dec(&(l)->a)
+#define local_dec(l)    atomic_long_dec(&(l)->a)
-#define local_add(i,l)  atomic_add((i),(&(l)->a))
+#define local_add(i,l)  atomic_long_add((i),(&(l)->a))
-#define local_sub(i,l)  atomic_sub((i),(&(l)->a))
+#define local_sub(i,l)  atomic_long_sub((i),(&(l)->a))
 /* Non-atomic variants, ie. preemption disabled and won't be touched
 * in interrupt, etc.  Some archs can optimize this case well. */
@@ -34,68 +34,6 @@ typedef struct
 #define __local_add(i,l)        local_set((l), local_read(l) + (i))
 #define __local_sub(i,l)        local_set((l), local_read(l) - (i))
-#else /* ... can't use atomics. */
-/* Implement in terms of three variables.
-   Another option would be to use local_irq_save/restore. */
-typedef struct
-{
-        /* 0 = in hardirq, 1 = in softirq, 2 = usermode. */
-        unsigned long v[3];
-} local_t;
-#define _LOCAL_VAR(l)   ((l)->v[!in_interrupt() + !in_irq()])
-#define LOCAL_INIT(i)   { { (i), 0, 0 } }
-static inline unsigned long local_read(local_t *l)
-{
-        return l->v[0] + l->v[1] + l->v[2];
-}
-static inline void local_set(local_t *l, unsigned long v)
-{
-        l->v[0] = v;
-        l->v[1] = l->v[2] = 0;
-}
-static inline void local_inc(local_t *l)
-{
-        preempt_disable();
-        _LOCAL_VAR(l)++;
-        preempt_enable();
-}
-static inline void local_dec(local_t *l)
-{
-        preempt_disable();
-        _LOCAL_VAR(l)--;
-        preempt_enable();
-}
-static inline void local_add(unsigned long v, local_t *l)
-{
-        preempt_disable();
-        _LOCAL_VAR(l) += v;
-        preempt_enable();
-}
-static inline void local_sub(unsigned long v, local_t *l)
-{
-        preempt_disable();
-        _LOCAL_VAR(l) -= v;
-        preempt_enable();
-}
-/* Non-atomic variants, ie. preemption disabled and won't be touched
- * in interrupt, etc.  Some archs can optimize this case well. */
-#define __local_inc(l)          ((l)->v[0]++)
-#define __local_dec(l)          ((l)->v[0]--)
-#define __local_add(i,l)        ((l)->v[0] += (i))
-#define __local_sub(i,l)        ((l)->v[0] -= (i))
-#endif /* Non-atomic implementation */
 /* Use these for per-cpu local_t variables: on some archs they are
 * much more efficient than these naive implementations.  Note they take
 * a variable (eg. mystruct.foo), not an address.
diff --git a/include/asm-generic/percpu.h b/include/asm-generic/percpu.h
index 78cf45547e31..c0caf433a7d7 100644
--- a/include/asm-generic/percpu.h
+++ b/include/asm-generic/percpu.h
@@ -19,7 +19,7 @@ extern unsigned long __per_cpu_offset[NR_CPUS];
 #define percpu_modcopy(pcpudst, src, size)                      \
 do {                                                            \
        unsigned int __i;                                       \
-        for_each_cpu(__i)                                       \
+        for_each_possible_cpu(__i)                              \
                memcpy((pcpudst)+__per_cpu_offset[__i],         \
                       (src), (size));                          \
 } while (0)
diff --git a/include/asm-i386/mach-default/mach_time.h b/include/asm-i386/mach-default/mach_time.h
index b749aa44a86f..31eb5de6f3dc 100644
--- a/include/asm-i386/mach-default/mach_time.h
+++ b/include/asm-i386/mach-default/mach_time.h
@@ -82,21 +82,8 @@ static inline int mach_set_rtc_mmss(unsigned long nowtime)
 static inline unsigned long mach_get_cmos_time(void)
 {
        unsigned int year, mon, day, hour, min, sec;
-        int i;
-        /* The Linux interpretation of the CMOS clock register contents:
+        do {
-         * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
-         * RTC registers show the second which has precisely just started.
-         * Let's hope other operating systems interpret the RTC the same way.
-         */
-        /* read RTC exactly on falling edge of update flag */
-        for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */
-                if (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP)
-                        break;
-        for (i = 0 ; i < 1000000 ; i++) /* must try at least 2.228 ms */
-                if (!(CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP))
-                        break;
-        do { /* Isn't this overkill ? UIP above should guarantee consistency */
                sec = CMOS_READ(RTC_SECONDS);
                min = CMOS_READ(RTC_MINUTES);
                hour = CMOS_READ(RTC_HOURS);
@@ -104,16 +91,18 @@ static inline unsigned long mach_get_cmos_time(void)
                mon = CMOS_READ(RTC_MONTH);
                year = CMOS_READ(RTC_YEAR);
        } while (sec != CMOS_READ(RTC_SECONDS));
-        if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD)
-          {
+        if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
-            BCD_TO_BIN(sec);
+                BCD_TO_BIN(sec);
-            BCD_TO_BIN(min);
+                BCD_TO_BIN(min);
-            BCD_TO_BIN(hour);
+                BCD_TO_BIN(hour);
-            BCD_TO_BIN(day);
+                BCD_TO_BIN(day);
-            BCD_TO_BIN(mon);
+                BCD_TO_BIN(mon);
-            BCD_TO_BIN(year);
+                BCD_TO_BIN(year);
-          }
+        }
-        if ((year += 1900) < 1970)
+        year += 1900;
+        if (year < 1970)
                year += 100;
        return mktime(year, mon, day, hour, min, sec);
diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h
index af4bfd012475..805f0dcda468 100644
--- a/include/asm-i386/processor.h
+++ b/include/asm-i386/processor.h
@@ -621,8 +621,6 @@ struct extended_sigtable {
        unsigned int reserved[3];
        struct extended_signature sigs[0];
 };
-/* '6' because it used to be for P6 only (but now covers Pentium 4 as well) */
-#define MICROCODE_IOCFREE       _IO('6',0)
 /* REP NOP (PAUSE) is a good thing to insert into busy-wait loops. */
 static inline void rep_nop(void)
diff --git a/include/asm-mips/mc146818-time.h b/include/asm-mips/mc146818-time.h
index 47214861093b..41ac8d363c67 100644
--- a/include/asm-mips/mc146818-time.h
+++ b/include/asm-mips/mc146818-time.h
@@ -86,43 +86,14 @@ static inline int mc146818_set_rtc_mmss(unsigned long nowtime)
        return retval;
 }
-/*
- * Returns true if a clock update is in progress
- */
-static inline unsigned char rtc_is_updating(void)
-{
-        unsigned char uip;
-        unsigned long flags;
-        spin_lock_irqsave(&rtc_lock, flags);
-        uip = (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP);
-        spin_unlock_irqrestore(&rtc_lock, flags);
-        return uip;
-}
 static inline unsigned long mc146818_get_cmos_time(void)
 {
        unsigned int year, mon, day, hour, min, sec;
-        int i;
        unsigned long flags;
-        /*
-         * The Linux interpretation of the CMOS clock register contents:
-         * When the Update-In-Progress (UIP) flag goes from 1 to 0, the
-         * RTC registers show the second which has precisely just started.
-         * Let's hope other operating systems interpret the RTC the same way.
-         */
-        /* read RTC exactly on falling edge of update flag */
-        for (i = 0 ; i < 1000000 ; i++) /* may take up to 1 second... */
-                if (rtc_is_updating())
-                        break;
-        for (i = 0 ; i < 1000000 ; i++) /* must try at least 2.228 ms */
-                if (!rtc_is_updating())
-                        break;
        spin_lock_irqsave(&rtc_lock, flags);
-        do { /* Isn't this overkill ? UIP above should guarantee consistency */
+        do {
                sec = CMOS_READ(RTC_SECONDS);
                min = CMOS_READ(RTC_MINUTES);
                hour = CMOS_READ(RTC_HOURS);
diff --git a/include/asm-parisc/pdc.h b/include/asm-parisc/pdc.h
index 8e23e4c674f6..0a3face6c480 100644
--- a/include/asm-parisc/pdc.h
+++ b/include/asm-parisc/pdc.h
@@ -333,7 +333,7 @@ struct pdc_model {		/* for PDC_MODEL */
        unsigned long curr_key;
 };
-/* Values for PDC_MODEL_CAPABILITES non-equivalent virtual aliasing support */
+/* Values for PDC_MODEL_CAPABILITIES non-equivalent virtual aliasing support */
 #define PDC_MODEL_IOPDIR_FDC            (1 << 2)        /* see sba_iommu.c */
 #define PDC_MODEL_NVA_MASK              (3 << 4)
diff --git a/include/asm-sh/addrspace.h b/include/asm-sh/addrspace.h
index dbb05d1a26d1..720afc11c2ca 100644
--- a/include/asm-sh/addrspace.h
+++ b/include/asm-sh/addrspace.h
@@ -13,7 +13,7 @@
 #include <asm/cpu/addrspace.h>
-/* Memory segments (32bit Priviledged mode addresses)  */
+/* Memory segments (32bit Privileged mode addresses)  */
 #define P0SEG           0x00000000
 #define P1SEG           0x80000000
 #define P2SEG           0xa0000000
diff --git a/include/asm-sparc64/floppy.h b/include/asm-sparc64/floppy.h
index 49d49a285943..6a95d5d0c576 100644
--- a/include/asm-sparc64/floppy.h
+++ b/include/asm-sparc64/floppy.h
@@ -738,7 +738,7 @@ static unsigned long __init sun_floppy_init(void)
                if (!sun_floppy_types[0] && sun_floppy_types[1]) {
                        /*
                         * Set the drive exchange bit in FCR on NS87303,
-                         * make shure other bits are sane before doing so.
+                         * make sure other bits are sane before doing so.
                         */
                        ns87303_modify(config, FER, FER_EDM, 0);
                        ns87303_modify(config, ASC, ASC_DRV2_SEL, 0);
diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h
index 1aa2cee43344..37a3ec433ee5 100644
--- a/include/asm-x86_64/processor.h
+++ b/include/asm-x86_64/processor.h
@@ -358,9 +358,6 @@ struct extended_sigtable {
        struct extended_signature sigs[0];
 };
-/* '6' because it used to be for P6 only (but now covers Pentium 4 as well) */
-#define MICROCODE_IOCFREE       _IO('6',0)
 #define ASM_NOP1 K8_NOP1
 #define ASM_NOP2 K8_NOP2
diff --git a/include/linux/cdev.h b/include/linux/cdev.h
index 8da37e29cb87..2216638962d2 100644
--- a/include/linux/cdev.h
+++ b/include/linux/cdev.h
@@ -5,13 +5,13 @@
 struct cdev {
        struct kobject kobj;
        struct module *owner;
-        struct file_operations *ops;
+        const struct file_operations *ops;
        struct list_head list;
        dev_t dev;
        unsigned int count;
 };
-void cdev_init(struct cdev *, struct file_operations *);
+void cdev_init(struct cdev *, const struct file_operations *);
 struct cdev *cdev_alloc(void);
diff --git a/include/linux/coda_linux.h b/include/linux/coda_linux.h
index cc621ec409d8..b3ecf8f71d97 100644
--- a/include/linux/coda_linux.h
+++ b/include/linux/coda_linux.h
@@ -30,9 +30,9 @@ extern struct inode_operations coda_ioctl_inode_operations;
 extern struct address_space_operations coda_file_aops;
 extern struct address_space_operations coda_symlink_aops;
-extern struct file_operations coda_dir_operations;
+extern const struct file_operations coda_dir_operations;
-extern struct file_operations coda_file_operations;
+extern const struct file_operations coda_file_operations;
-extern struct file_operations coda_ioctl_operations;
+extern const struct file_operations coda_ioctl_operations;
 /* operations shared over more than one file */
 int coda_open(struct inode *i, struct file *f);
diff --git a/include/linux/cpumask.h b/include/linux/cpumask.h
index 99e6115d8e52..9cbb781d6f80 100644
--- a/include/linux/cpumask.h
+++ b/include/linux/cpumask.h
@@ -67,7 +67,7 @@
 *
 * int any_online_cpu(mask)             First online cpu in mask
 *
- * for_each_cpu(cpu)                    for-loop cpu over cpu_possible_map
+ * for_each_possible_cpu(cpu)           for-loop cpu over cpu_possible_map
 * for_each_online_cpu(cpu)             for-loop cpu over cpu_online_map
 * for_each_present_cpu(cpu)            for-loop cpu over cpu_present_map
 *
@@ -405,7 +405,8 @@ int __any_online_cpu(const cpumask_t *mask);
 #define any_online_cpu(mask)            0
 #endif
-#define for_each_cpu(cpu)         for_each_cpu_mask((cpu), cpu_possible_map)
+#define for_each_cpu(cpu)  for_each_cpu_mask((cpu), cpu_possible_map)
+#define for_each_possible_cpu(cpu)  for_each_cpu_mask((cpu), cpu_possible_map)
 #define for_each_online_cpu(cpu)  for_each_cpu_mask((cpu), cpu_online_map)
 #define for_each_present_cpu(cpu) for_each_cpu_mask((cpu), cpu_present_map)
diff --git a/include/linux/crash_dump.h b/include/linux/crash_dump.h
index 534d750d922d..32503657f14f 100644
--- a/include/linux/crash_dump.h
+++ b/include/linux/crash_dump.h
@@ -11,7 +11,7 @@
 extern unsigned long long elfcorehdr_addr;
 extern ssize_t copy_oldmem_page(unsigned long, char *, size_t,
                                                unsigned long, int);
-extern struct file_operations proc_vmcore_operations;
+extern const struct file_operations proc_vmcore_operations;
 extern struct proc_dir_entry *proc_vmcore;
 #endif /* CONFIG_CRASH_DUMP */
diff --git a/include/linux/debugfs.h b/include/linux/debugfs.h
index 4b0428e335be..176e2d371577 100644
--- a/include/linux/debugfs.h
+++ b/include/linux/debugfs.h
@@ -29,7 +29,7 @@ struct debugfs_blob_wrapper {
 #if defined(CONFIG_DEBUG_FS)
 struct dentry *debugfs_create_file(const char *name, mode_t mode,
                                   struct dentry *parent, void *data,
-                                   struct file_operations *fops);
+                                   const struct file_operations *fops);
 struct dentry *debugfs_create_dir(const char *name, struct dentry *parent);
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index a8731062a74c..9b4751aecc23 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -21,6 +21,7 @@ enum dma_data_direction {
 #define DMA_30BIT_MASK  0x000000003fffffffULL
 #define DMA_29BIT_MASK  0x000000001fffffffULL
 #define DMA_28BIT_MASK  0x000000000fffffffULL
+#define DMA_24BIT_MASK 0x0000000000ffffffULL
 #include <asm/dma-mapping.h>
diff --git a/include/linux/efs_fs.h b/include/linux/efs_fs.h
index 28f368c526fb..fbfa6b52e2fb 100644
--- a/include/linux/efs_fs.h
+++ b/include/linux/efs_fs.h
@@ -37,7 +37,7 @@ static inline struct efs_sb_info *SUPER_INFO(struct super_block *sb)
 struct statfs;
 extern struct inode_operations efs_dir_inode_operations;
-extern struct file_operations efs_dir_operations;
+extern const struct file_operations efs_dir_operations;
 extern struct address_space_operations efs_symlink_aops;
 extern void efs_read_inode(struct inode *);
diff --git a/include/linux/ext3_fs.h b/include/linux/ext3_fs.h
index 8bb4f842cded..3ade6a4e3bdd 100644
--- a/include/linux/ext3_fs.h
+++ b/include/linux/ext3_fs.h
@@ -833,11 +833,11 @@ do {								\
 */
 /* dir.c */
-extern struct file_operations ext3_dir_operations;
+extern const struct file_operations ext3_dir_operations;
 /* file.c */
 extern struct inode_operations ext3_file_inode_operations;
-extern struct file_operations ext3_file_operations;
+extern const struct file_operations ext3_file_operations;
 /* namei.c */
 extern struct inode_operations ext3_dir_inode_operations;
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 2cb19e6503aa..d03fadfcafe3 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -734,7 +734,7 @@ struct fb_tile_ops {
 /* A driver may set this flag to indicate that it does want a set_par to be
 * called every time when fbcon_switch is executed. The advantage is that with
- * this flag set you can really be shure that set_par is always called before
+ * this flag set you can really be sure that set_par is always called before
 * any of the functions dependant on the correct hardware state or altering
 * that state, even if you are using some broken X releases. The disadvantage
 * is that it introduces unwanted delays to every console switch if set_par
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 680d913350e7..408fe89498f4 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -496,7 +496,7 @@ struct inode {
        struct mutex            i_mutex;
        struct rw_semaphore     i_alloc_sem;
        struct inode_operations *i_op;
-        struct file_operations  *i_fop; /* former ->i_op->default_file_ops */
+        const struct file_operations    *i_fop; /* former ->i_op->default_file_ops */
        struct super_block      *i_sb;
        struct file_lock        *i_flock;
        struct address_space    *i_mapping;
@@ -636,7 +636,7 @@ struct file {
        } f_u;
        struct dentry           *f_dentry;
        struct vfsmount         *f_vfsmnt;
-        struct file_operations  *f_op;
+        const struct file_operations    *f_op;
        atomic_t                f_count;
        unsigned int            f_flags;
        mode_t                  f_mode;
@@ -1390,11 +1390,11 @@ extern void bd_set_size(struct block_device *, loff_t size);
 extern void bd_forget(struct inode *inode);
 extern void bdput(struct block_device *);
 extern struct block_device *open_by_devnum(dev_t, unsigned);
-extern struct file_operations def_blk_fops;
+extern const struct file_operations def_blk_fops;
 extern struct address_space_operations def_blk_aops;
-extern struct file_operations def_chr_fops;
+extern const struct file_operations def_chr_fops;
-extern struct file_operations bad_sock_fops;
+extern const struct file_operations bad_sock_fops;
-extern struct file_operations def_fifo_fops;
+extern const struct file_operations def_fifo_fops;
 extern int ioctl_by_bdev(struct block_device *, unsigned, unsigned long);
 extern int blkdev_ioctl(struct inode *, struct file *, unsigned, unsigned long);
 extern long compat_blkdev_ioctl(struct file *, unsigned, unsigned long);
@@ -1414,7 +1414,7 @@ extern void bd_release_from_disk(struct block_device *, struct gendisk *);
 extern int alloc_chrdev_region(dev_t *, unsigned, unsigned, const char *);
 extern int register_chrdev_region(dev_t, unsigned, const char *);
 extern int register_chrdev(unsigned int, const char *,
-                           struct file_operations *);
+                           const struct file_operations *);
 extern int unregister_chrdev(unsigned int, const char *);
 extern void unregister_chrdev_region(dev_t, unsigned);
 extern int chrdev_open(struct inode *, struct file *);
@@ -1444,9 +1444,9 @@ extern void init_special_inode(struct inode *, umode_t, dev_t);
 extern void make_bad_inode(struct inode *);
 extern int is_bad_inode(struct inode *);
-extern struct file_operations read_fifo_fops;
+extern const struct file_operations read_fifo_fops;
-extern struct file_operations write_fifo_fops;
+extern const struct file_operations write_fifo_fops;
-extern struct file_operations rdwr_fifo_fops;
+extern const struct file_operations rdwr_fifo_fops;
 extern int fs_may_remount_ro(struct super_block *);
@@ -1688,7 +1688,7 @@ static inline ssize_t blockdev_direct_IO_own_locking(int rw, struct kiocb *iocb,
                                nr_segs, get_block, end_io, DIO_OWN_LOCKING);
 }
-extern struct file_operations generic_ro_fops;
+extern const struct file_operations generic_ro_fops;
 #define special_file(m) (S_ISCHR(m)||S_ISBLK(m)||S_ISFIFO(m)||S_ISSOCK(m))
@@ -1744,9 +1744,9 @@ extern int simple_commit_write(struct file *file, struct page *page,
 extern struct dentry *simple_lookup(struct inode *, struct dentry *, struct nameidata *);
 extern ssize_t generic_read_dir(struct file *, char __user *, size_t, loff_t *);
-extern struct file_operations simple_dir_operations;
+extern const struct file_operations simple_dir_operations;
 extern struct inode_operations simple_dir_inode_operations;
-struct tree_descr { char *name; struct file_operations *ops; int mode; };
+struct tree_descr { char *name; const struct file_operations *ops; int mode; };
 struct dentry *d_alloc_name(struct dentry *, const char *);
 extern int simple_fill_super(struct super_block *, int, struct tree_descr *);
 extern int simple_pin_fs(char *name, struct vfsmount **mount, int *count);
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 3c1b0294a742..10a27f29d692 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -152,14 +152,14 @@ struct disk_attribute {
 ({                                                                      \
        typeof(gendiskp->dkstats->field) res = 0;                       \
        int i;                                                          \
-        for_each_cpu(i)                                                 \
+        for_each_possible_cpu(i)                                        \
                res += per_cpu_ptr(gendiskp->dkstats, i)->field;        \
        res;                                                            \
 })
 static inline void disk_stat_set_all(struct gendisk *gendiskp, int value)       {
        int i;
-        for_each_cpu(i)
+        for_each_possible_cpu(i)
                memset(per_cpu_ptr(gendiskp->dkstats, i), value,
                                sizeof (struct disk_stats));
 }               
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index d6f1019625af..4c5e610fe442 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -154,7 +154,7 @@ static inline struct hugetlbfs_sb_info *HUGETLBFS_SB(struct super_block *sb)
        return sb->s_fs_info;
 }
-extern struct file_operations hugetlbfs_file_operations;
+extern const struct file_operations hugetlbfs_file_operations;
 extern struct vm_operations_struct hugetlb_vm_ops;
 struct file *hugetlb_zero_setup(size_t);
 int hugetlb_extend_reservation(struct hugetlbfs_inode_info *info,
diff --git a/include/linux/input.h b/include/linux/input.h
index 6d4cc3c110d6..1d4e341b72e6 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -957,7 +957,7 @@ struct input_handler {
        struct input_handle* (*connect)(struct input_handler *handler, struct input_dev *dev, struct input_device_id *id);
        void (*disconnect)(struct input_handle *handle);
-        struct file_operations *fops;
+        const struct file_operations *fops;
        int minor;
        char *name;
diff --git a/include/linux/kernel_stat.h b/include/linux/kernel_stat.h
index a484572c302e..b46249082cca 100644
--- a/include/linux/kernel_stat.h
+++ b/include/linux/kernel_stat.h
@@ -46,7 +46,7 @@ static inline int kstat_irqs(int irq)
 {
        int cpu, sum = 0;
-        for_each_cpu(cpu)
+        for_each_possible_cpu(cpu)
                sum += kstat_cpu(cpu).irqs[irq];
        return sum;
diff --git a/include/linux/miscdevice.h b/include/linux/miscdevice.h
index 14ceebfc1efa..5b584dafb5a6 100644
--- a/include/linux/miscdevice.h
+++ b/include/linux/miscdevice.h
@@ -36,7 +36,7 @@ struct class_device;
 struct miscdevice  {
        int minor;
        const char *name;
-        struct file_operations *fops;
+        const struct file_operations *fops;
        struct list_head list;
        struct device *dev;
        struct class_device *class;
diff --git a/include/linux/msdos_fs.h b/include/linux/msdos_fs.h
index 779e6a5744c7..d9035c73e5d1 100644
--- a/include/linux/msdos_fs.h
+++ b/include/linux/msdos_fs.h
@@ -334,7 +334,7 @@ extern int fat_bmap(struct inode *inode, sector_t sector, sector_t *phys,
                    unsigned long *mapped_blocks);
 /* fat/dir.c */
-extern struct file_operations fat_dir_operations;
+extern const struct file_operations fat_dir_operations;
 extern int fat_search_long(struct inode *inode, const unsigned char *name,
                           int name_len, struct fat_slot_info *sinfo);
 extern int fat_dir_empty(struct inode *dir);
@@ -397,7 +397,7 @@ extern int fat_count_free_clusters(struct super_block *sb);
 /* fat/file.c */
 extern int fat_generic_ioctl(struct inode *inode, struct file *filp,
                             unsigned int cmd, unsigned long arg);
-extern struct file_operations fat_file_operations;
+extern const struct file_operations fat_file_operations;
 extern struct inode_operations fat_file_inode_operations;
 extern int fat_notify_change(struct dentry * dentry, struct iattr * attr);
 extern void fat_truncate(struct inode *inode);
@@ -420,6 +420,9 @@ extern int date_dos2unix(unsigned short time, unsigned short date);
 extern void fat_date_unix2dos(int unix_date, __le16 *time, __le16 *date);
 extern int fat_sync_bhs(struct buffer_head **bhs, int nr_bhs);
+int fat_cache_init(void);
+void fat_cache_destroy(void);
 #endif /* __KERNEL__ */
 #endif
diff --git a/include/linux/ncp_fs.h b/include/linux/ncp_fs.h
index e01342568530..96dc237b8f03 100644
--- a/include/linux/ncp_fs.h
+++ b/include/linux/ncp_fs.h
@@ -209,7 +209,7 @@ void ncp_update_inode2(struct inode *, struct ncp_entry_info *);
 /* linux/fs/ncpfs/dir.c */
 extern struct inode_operations ncp_dir_inode_operations;
-extern struct file_operations ncp_dir_operations;
+extern const struct file_operations ncp_dir_operations;
 int ncp_conn_logged_in(struct super_block *);
 int ncp_date_dos2unix(__le16 time, __le16 date);
 void ncp_date_unix2dos(int unix_date, __le16 * time, __le16 * date);
@@ -230,7 +230,7 @@ void ncp_unlock_server(struct ncp_server *server);
 /* linux/fs/ncpfs/file.c */
 extern struct inode_operations ncp_file_inode_operations;
-extern struct file_operations ncp_file_operations;
+extern const struct file_operations ncp_file_operations;
 int ncp_make_open(struct inode *, int);
 /* linux/fs/ncpfs/mmap.c */
diff --git a/include/linux/nfs_fs.h b/include/linux/nfs_fs.h
index cbebd7d1b9e8..c71227dd4389 100644
--- a/include/linux/nfs_fs.h
+++ b/include/linux/nfs_fs.h
@@ -324,7 +324,7 @@ extern struct inode_operations nfs_file_inode_operations;
 #ifdef CONFIG_NFS_V3
 extern struct inode_operations nfs3_file_inode_operations;
 #endif /* CONFIG_NFS_V3 */
-extern struct file_operations nfs_file_operations;
+extern const struct file_operations nfs_file_operations;
 extern struct address_space_operations nfs_file_aops;
 static inline struct rpc_cred *nfs_file_cred(struct file *file)
@@ -371,7 +371,7 @@ extern struct inode_operations nfs_dir_inode_operations;
 #ifdef CONFIG_NFS_V3
 extern struct inode_operations nfs3_dir_inode_operations;
 #endif /* CONFIG_NFS_V3 */
-extern struct file_operations nfs_dir_operations;
+extern const struct file_operations nfs_dir_operations;
 extern struct dentry_operations nfs_dentry_operations;
 extern int nfs_instantiate(struct dentry *dentry, struct nfs_fh *fh, struct nfs_fattr *fattr);
diff --git a/include/linux/oprofile.h b/include/linux/oprofile.h
index 559c4c38a9c7..0d514b252454 100644
--- a/include/linux/oprofile.h
+++ b/include/linux/oprofile.h
@@ -61,6 +61,16 @@ void oprofile_arch_exit(void);
 */
 void oprofile_add_sample(struct pt_regs * const regs, unsigned long event);
+/**
+ * Add an extended sample.  Use this when the PC is not from the regs, and
+ * we cannot determine if we're in kernel mode from the regs.
+ *
+ * This function does perform a backtrace.
+ *
+ */
+void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,
+                                unsigned long event, int is_kernel);
 /* Use this instead when the PC value is not from the regs. Doesn't
 * backtrace. */
 void oprofile_add_pc(unsigned long pc, int is_kernel, unsigned long event);
@@ -74,10 +84,10 @@ void oprofile_add_trace(unsigned long eip);
 * the specified file operations.
 */
 int oprofilefs_create_file(struct super_block * sb, struct dentry * root,
-        char const * name, struct file_operations * fops);
+        char const * name, const struct file_operations * fops);
 int oprofilefs_create_file_perm(struct super_block * sb, struct dentry * root,
-        char const * name, struct file_operations * fops, int perm);
+        char const * name, const struct file_operations * fops, int perm);
 
 /** Create a file for read/write access to an unsigned long. */
 int oprofilefs_create_ulong(struct super_block * sb, struct dentry * root,
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 02f6cf20b141..e2ab2ac18d6b 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -642,6 +642,7 @@
 #define PCI_DEVICE_ID_SI_965            0x0965
 #define PCI_DEVICE_ID_SI_5511           0x5511
 #define PCI_DEVICE_ID_SI_5513           0x5513
+#define PCI_DEVICE_ID_SI_5517           0x5517
 #define PCI_DEVICE_ID_SI_5518           0x5518
 #define PCI_DEVICE_ID_SI_5571           0x5571
 #define PCI_DEVICE_ID_SI_5581           0x5581
diff --git a/include/linux/poll.h b/include/linux/poll.h
index 8e8f6098508a..51e1b56741fb 100644
--- a/include/linux/poll.h
+++ b/include/linux/poll.h
@@ -11,6 +11,15 @@
 #include <linux/mm.h>
 #include <asm/uaccess.h>
+/* ~832 bytes of stack space used max in sys_select/sys_poll before allocating
+   additional memory. */
+#define MAX_STACK_ALLOC 832
+#define FRONTEND_STACK_ALLOC    256
+#define SELECT_STACK_ALLOC      FRONTEND_STACK_ALLOC
+#define POLL_STACK_ALLOC        FRONTEND_STACK_ALLOC
+#define WQUEUES_STACK_ALLOC     (MAX_STACK_ALLOC - FRONTEND_STACK_ALLOC)
+#define N_INLINE_POLL_ENTRIES   (WQUEUES_STACK_ALLOC / sizeof(struct poll_table_entry))
 struct poll_table_struct;
 /* 
@@ -33,6 +42,12 @@ static inline void init_poll_funcptr(poll_table *pt, poll_queue_proc qproc)
        pt->qproc = qproc;
 }
+struct poll_table_entry {
+        struct file * filp;
+        wait_queue_t wait;
+        wait_queue_head_t * wait_address;
+};
 /*
 * Structures and helpers for sys_poll/sys_poll
 */
@@ -40,6 +55,8 @@ struct poll_wqueues {
        poll_table pt;
        struct poll_table_page * table;
        int error;
+        int inline_index;
+        struct poll_table_entry inline_entries[N_INLINE_POLL_ENTRIES];
 };
 extern void poll_initwait(struct poll_wqueues *pwq);
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index cb224cf653b1..135871df9911 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -58,7 +58,7 @@ struct proc_dir_entry {
        gid_t gid;
        loff_t size;
        struct inode_operations * proc_iops;
-        struct file_operations * proc_fops;
+        const struct file_operations * proc_fops;
        get_info_t *get_info;
        struct module *owner;
        struct proc_dir_entry *next, *parent, *subdir;
@@ -128,9 +128,9 @@ extern int proc_match(int, const char *,struct proc_dir_entry *);
 extern int proc_readdir(struct file *, void *, filldir_t);
 extern struct dentry *proc_lookup(struct inode *, struct dentry *, struct nameidata *);
-extern struct file_operations proc_kcore_operations;
+extern const struct file_operations proc_kcore_operations;
-extern struct file_operations proc_kmsg_operations;
+extern const struct file_operations proc_kmsg_operations;
-extern struct file_operations ppc_htab_operations;
+extern const struct file_operations ppc_htab_operations;
 /*
 * proc_tty.c
@@ -189,7 +189,7 @@ static inline struct proc_dir_entry *proc_net_create(const char *name,
 }
 static inline struct proc_dir_entry *proc_net_fops_create(const char *name,
-        mode_t mode, struct file_operations *fops)
+        mode_t mode, const struct file_operations *fops)
 {
        struct proc_dir_entry *res = create_proc_entry(name, mode, proc_net);
        if (res)
diff --git a/include/linux/qnx4_fs.h b/include/linux/qnx4_fs.h
index fc610bb0f733..27f49c85d5d6 100644
--- a/include/linux/qnx4_fs.h
+++ b/include/linux/qnx4_fs.h
@@ -118,8 +118,8 @@ extern struct buffer_head *qnx4_bread(struct inode *, int, int);
 extern struct inode_operations qnx4_file_inode_operations;
 extern struct inode_operations qnx4_dir_inode_operations;
-extern struct file_operations qnx4_file_operations;
+extern const struct file_operations qnx4_file_operations;
-extern struct file_operations qnx4_dir_operations;
+extern const struct file_operations qnx4_dir_operations;
 extern int qnx4_is_free(struct super_block *sb, long block);
 extern int qnx4_set_bitmap(struct super_block *sb, long block, int busy);
 extern int qnx4_create(struct inode *inode, struct dentry *dentry, int mode, struct nameidata *nd);
diff --git a/include/linux/ramfs.h b/include/linux/ramfs.h
index 953b6df5d037..78ecfa28b1c2 100644
--- a/include/linux/ramfs.h
+++ b/include/linux/ramfs.h
@@ -15,7 +15,7 @@ extern unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
 extern int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma);
 #endif
-extern struct file_operations ramfs_file_operations;
+extern const struct file_operations ramfs_file_operations;
 extern struct vm_operations_struct generic_file_vm_ops;
 #endif
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index 912f1b7cb18f..5676c4210e2c 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -1960,7 +1960,7 @@ int reiserfs_global_version_in_proc(char *buffer, char **start, off_t offset,
 extern struct inode_operations reiserfs_dir_inode_operations;
 extern struct inode_operations reiserfs_symlink_inode_operations;
 extern struct inode_operations reiserfs_special_inode_operations;
-extern struct file_operations reiserfs_dir_operations;
+extern const struct file_operations reiserfs_dir_operations;
 /* tail_conversion.c */
 int direct2indirect(struct reiserfs_transaction_handle *, struct inode *,
@@ -1972,7 +1972,7 @@ void reiserfs_unmap_buffer(struct buffer_head *);
 /* file.c */
 extern struct inode_operations reiserfs_file_inode_operations;
-extern struct file_operations reiserfs_file_operations;
+extern const struct file_operations reiserfs_file_operations;
 extern struct address_space_operations reiserfs_address_space_operations;
 /* fix_nodes.c */
diff --git a/include/linux/relayfs_fs.h b/include/linux/relayfs_fs.h
deleted file mode 100644
index 7342e66247fb..000000000000
--- a/include/linux/relayfs_fs.h
+++ /dev/null
@@ -1,287 +0,0 @@
-/*
- * linux/include/linux/relayfs_fs.h
- *
- * Copyright (C) 2002, 2003 - Tom Zanussi (zanussi@us.ibm.com), IBM Corp
- * Copyright (C) 1999, 2000, 2001, 2002 - Karim Yaghmour (karim@opersys.com)
- *
- * RelayFS definitions and declarations
- */
-#ifndef _LINUX_RELAYFS_FS_H
-#define _LINUX_RELAYFS_FS_H
-#include <linux/config.h>
-#include <linux/types.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
-#include <linux/list.h>
-#include <linux/fs.h>
-#include <linux/poll.h>
-#include <linux/kref.h>
-/*
- * Tracks changes to rchan/rchan_buf structs
- */
-#define RELAYFS_CHANNEL_VERSION         6
-/*
- * Per-cpu relay channel buffer
- */
-struct rchan_buf
-{
-        void *start;                    /* start of channel buffer */
-        void *data;                     /* start of current sub-buffer */
-        size_t offset;                  /* current offset into sub-buffer */
-        size_t subbufs_produced;        /* count of sub-buffers produced */
-        size_t subbufs_consumed;        /* count of sub-buffers consumed */
-        struct rchan *chan;             /* associated channel */
-        wait_queue_head_t read_wait;    /* reader wait queue */
-        struct work_struct wake_readers; /* reader wake-up work struct */
-        struct dentry *dentry;          /* channel file dentry */
-        struct kref kref;               /* channel buffer refcount */
-        struct page **page_array;       /* array of current buffer pages */
-        unsigned int page_count;        /* number of current buffer pages */
-        unsigned int finalized;         /* buffer has been finalized */
-        size_t *padding;                /* padding counts per sub-buffer */
-        size_t prev_padding;            /* temporary variable */
-        size_t bytes_consumed;          /* bytes consumed in cur read subbuf */
-        unsigned int cpu;               /* this buf's cpu */
-} ____cacheline_aligned;
-/*
- * Relay channel data structure
- */
-struct rchan
-{
-        u32 version;                    /* the version of this struct */
-        size_t subbuf_size;             /* sub-buffer size */
-        size_t n_subbufs;               /* number of sub-buffers per buffer */
-        size_t alloc_size;              /* total buffer size allocated */
-        struct rchan_callbacks *cb;     /* client callbacks */
-        struct kref kref;               /* channel refcount */
-        void *private_data;             /* for user-defined data */
-        size_t last_toobig;             /* tried to log event > subbuf size */
-        struct rchan_buf *buf[NR_CPUS]; /* per-cpu channel buffers */
-};
-/*
- * Relay channel client callbacks
- */
-struct rchan_callbacks
-{
-        /*
-         * subbuf_start - called on buffer-switch to a new sub-buffer
-         * @buf: the channel buffer containing the new sub-buffer
-         * @subbuf: the start of the new sub-buffer
-         * @prev_subbuf: the start of the previous sub-buffer
-         * @prev_padding: unused space at the end of previous sub-buffer
-         *
-         * The client should return 1 to continue logging, 0 to stop
-         * logging.
-         *
-         * NOTE: subbuf_start will also be invoked when the buffer is
-         *       created, so that the first sub-buffer can be initialized
-         *       if necessary.  In this case, prev_subbuf will be NULL.
-         *
-         * NOTE: the client can reserve bytes at the beginning of the new
-         *       sub-buffer by calling subbuf_start_reserve() in this callback.
-         */
-        int (*subbuf_start) (struct rchan_buf *buf,
-                             void *subbuf,
-                             void *prev_subbuf,
-                             size_t prev_padding);
-        /*
-         * buf_mapped - relayfs buffer mmap notification
-         * @buf: the channel buffer
-         * @filp: relayfs file pointer
-         *
-         * Called when a relayfs file is successfully mmapped
-         */
-        void (*buf_mapped)(struct rchan_buf *buf,
-                           struct file *filp);
-        /*
-         * buf_unmapped - relayfs buffer unmap notification
-         * @buf: the channel buffer
-         * @filp: relayfs file pointer
-         *
-         * Called when a relayfs file is successfully unmapped
-         */
-        void (*buf_unmapped)(struct rchan_buf *buf,
-                             struct file *filp);
-        /*
-         * create_buf_file - create file to represent a relayfs channel buffer
-         * @filename: the name of the file to create
-         * @parent: the parent of the file to create
-         * @mode: the mode of the file to create
-         * @buf: the channel buffer
-         * @is_global: outparam - set non-zero if the buffer should be global
-         *
-         * Called during relay_open(), once for each per-cpu buffer,
-         * to allow the client to create a file to be used to
-         * represent the corresponding channel buffer.  If the file is
-         * created outside of relayfs, the parent must also exist in
-         * that filesystem.
-         *
-         * The callback should return the dentry of the file created
-         * to represent the relay buffer.
-         *
-         * Setting the is_global outparam to a non-zero value will
-         * cause relay_open() to create a single global buffer rather
-         * than the default set of per-cpu buffers.
-         *
-         * See Documentation/filesystems/relayfs.txt for more info.
-         */
-        struct dentry *(*create_buf_file)(const char *filename,
-                                          struct dentry *parent,
-                                          int mode,
-                                          struct rchan_buf *buf,
-                                          int *is_global);
-        /*
-         * remove_buf_file - remove file representing a relayfs channel buffer
-         * @dentry: the dentry of the file to remove
-         *
-         * Called during relay_close(), once for each per-cpu buffer,
-         * to allow the client to remove a file used to represent a
-         * channel buffer.
-         *
-         * The callback should return 0 if successful, negative if not.
-         */
-        int (*remove_buf_file)(struct dentry *dentry);
-};
-/*
- * relayfs kernel API, fs/relayfs/relay.c
- */
-struct rchan *relay_open(const char *base_filename,
-                         struct dentry *parent,
-                         size_t subbuf_size,
-                         size_t n_subbufs,
-                         struct rchan_callbacks *cb);
-extern void relay_close(struct rchan *chan);
-extern void relay_flush(struct rchan *chan);
-extern void relay_subbufs_consumed(struct rchan *chan,
-                                   unsigned int cpu,
-                                   size_t consumed);
-extern void relay_reset(struct rchan *chan);
-extern int relay_buf_full(struct rchan_buf *buf);
-extern size_t relay_switch_subbuf(struct rchan_buf *buf,
-                                  size_t length);
-extern struct dentry *relayfs_create_dir(const char *name,
-                                         struct dentry *parent);
-extern int relayfs_remove_dir(struct dentry *dentry);
-extern struct dentry *relayfs_create_file(const char *name,
-                                          struct dentry *parent,
-                                          int mode,
-                                          struct file_operations *fops,
-                                          void *data);
-extern int relayfs_remove_file(struct dentry *dentry);
-/**
- *      relay_write - write data into the channel
- *      @chan: relay channel
- *      @data: data to be written
- *      @length: number of bytes to write
- *
- *      Writes data into the current cpu's channel buffer.
- *
- *      Protects the buffer by disabling interrupts.  Use this
- *      if you might be logging from interrupt context.  Try
- *      __relay_write() if you know you won't be logging from
- *      interrupt context.
- */
-static inline void relay_write(struct rchan *chan,
-                               const void *data,
-                               size_t length)
-{
-        unsigned long flags;
-        struct rchan_buf *buf;
-        local_irq_save(flags);
-        buf = chan->buf[smp_processor_id()];
-        if (unlikely(buf->offset + length > chan->subbuf_size))
-                length = relay_switch_subbuf(buf, length);
-        memcpy(buf->data + buf->offset, data, length);
-        buf->offset += length;
-        local_irq_restore(flags);
-}
-/**
- *      __relay_write - write data into the channel
- *      @chan: relay channel
- *      @data: data to be written
- *      @length: number of bytes to write
- *
- *      Writes data into the current cpu's channel buffer.
- *
- *      Protects the buffer by disabling preemption.  Use
- *      relay_write() if you might be logging from interrupt
- *      context.
- */
-static inline void __relay_write(struct rchan *chan,
-                                 const void *data,
-                                 size_t length)
-{
-        struct rchan_buf *buf;
-        buf = chan->buf[get_cpu()];
-        if (unlikely(buf->offset + length > buf->chan->subbuf_size))
-                length = relay_switch_subbuf(buf, length);
-        memcpy(buf->data + buf->offset, data, length);
-        buf->offset += length;
-        put_cpu();
-}
-/**
- *      relay_reserve - reserve slot in channel buffer
- *      @chan: relay channel
- *      @length: number of bytes to reserve
- *
- *      Returns pointer to reserved slot, NULL if full.
- *
- *      Reserves a slot in the current cpu's channel buffer.
- *      Does not protect the buffer at all - caller must provide
- *      appropriate synchronization.
- */
-static inline void *relay_reserve(struct rchan *chan, size_t length)
-{
-        void *reserved;
-        struct rchan_buf *buf = chan->buf[smp_processor_id()];
-        if (unlikely(buf->offset + length > buf->chan->subbuf_size)) {
-                length = relay_switch_subbuf(buf, length);
-                if (!length)
-                        return NULL;
-        }
-        reserved = buf->data + buf->offset;
-        buf->offset += length;
-        return reserved;
-}
-/**
- *      subbuf_start_reserve - reserve bytes at the start of a sub-buffer
- *      @buf: relay channel buffer
- *      @length: number of bytes to reserve
- *
- *      Helper function used to reserve bytes at the beginning of
- *      a sub-buffer in the subbuf_start() callback.
- */
-static inline void subbuf_start_reserve(struct rchan_buf *buf,
-                                        size_t length)
-{
-        BUG_ON(length >= buf->chan->subbuf_size - 1);
-        buf->offset = length;
-}
-/*
- * exported relay file operations, fs/relayfs/inode.c
- */
-extern struct file_operations relay_file_operations;
-#endif /* _LINUX_RELAYFS_FS_H */
diff --git a/include/linux/sound.h b/include/linux/sound.h
index 72b9af4c3fd4..f63d8342ffa3 100644
--- a/include/linux/sound.h
+++ b/include/linux/sound.h
@@ -30,12 +30,12 @@
 */
 
 struct device;
-extern int register_sound_special(struct file_operations *fops, int unit);
+extern int register_sound_special(const struct file_operations *fops, int unit);
-extern int register_sound_special_device(struct file_operations *fops, int unit, struct device *dev);
+extern int register_sound_special_device(const struct file_operations *fops, int unit, struct device *dev);
-extern int register_sound_mixer(struct file_operations *fops, int dev);
+extern int register_sound_mixer(const struct file_operations *fops, int dev);
-extern int register_sound_midi(struct file_operations *fops, int dev);
+extern int register_sound_midi(const struct file_operations *fops, int dev);
-extern int register_sound_dsp(struct file_operations *fops, int dev);
+extern int register_sound_dsp(const struct file_operations *fops, int dev);
-extern int register_sound_synth(struct file_operations *fops, int dev);
+extern int register_sound_synth(const struct file_operations *fops, int dev);
 extern void unregister_sound_special(int unit);
 extern void unregister_sound_mixer(int unit);
diff --git a/include/linux/sunrpc/stats.h b/include/linux/sunrpc/stats.h
index 0d6ed3c8bdc4..d93c24b47f3f 100644
--- a/include/linux/sunrpc/stats.h
+++ b/include/linux/sunrpc/stats.h
@@ -50,7 +50,7 @@ struct proc_dir_entry *	rpc_proc_register(struct rpc_stat *);
 void                    rpc_proc_unregister(const char *);
 void                    rpc_proc_zero(struct rpc_program *);
 struct proc_dir_entry * svc_proc_register(struct svc_stat *,
-                                          struct file_operations *);
+                                          const struct file_operations *);
 void                    svc_proc_unregister(const char *);
 void                    svc_seq_show(struct seq_file *,
@@ -65,7 +65,7 @@ static inline void rpc_proc_unregister(const char *p) {}
 static inline void rpc_proc_zero(struct rpc_program *p) {}
 static inline struct proc_dir_entry *svc_proc_register(struct svc_stat *s,
-                                                       struct file_operations *f) { return NULL; }
+                                                       const struct file_operations *f) { return NULL; }
 static inline void svc_proc_unregister(const char *p) {}
 static inline void svc_seq_show(struct seq_file *seq,
diff --git a/include/linux/synclink.h b/include/linux/synclink.h
index 1b7cd8d1a71b..2993302f7923 100644
--- a/include/linux/synclink.h
+++ b/include/linux/synclink.h
@@ -1,7 +1,7 @@
 /*
 * SyncLink Multiprotocol Serial Adapter Driver
 *
- * $Id: synclink.h,v 3.10 2005/11/08 19:50:54 paulkf Exp $
+ * $Id: synclink.h,v 3.11 2006/02/06 21:20:29 paulkf Exp $
 *
 * Copyright (C) 1998-2000 by Microgate Corporation
 *
@@ -221,6 +221,12 @@ struct mgsl_icount {
        __u32   rxidle;
 };
+struct gpio_desc {
+        __u32 state;
+        __u32 smask;
+        __u32 dir;
+        __u32 dmask;
+};
 #define DEBUG_LEVEL_DATA        1
 #define DEBUG_LEVEL_ERROR       2
@@ -276,5 +282,8 @@ struct mgsl_icount {
 #define MGSL_IOCLOOPTXDONE      _IO(MGSL_MAGIC_IOC,9)
 #define MGSL_IOCSIF             _IO(MGSL_MAGIC_IOC,10)
 #define MGSL_IOCGIF             _IO(MGSL_MAGIC_IOC,11)
+#define MGSL_IOCSGPIO           _IOW(MGSL_MAGIC_IOC,16,struct gpio_desc)
+#define MGSL_IOCGGPIO           _IOR(MGSL_MAGIC_IOC,17,struct gpio_desc)
+#define MGSL_IOCWAITGPIO        _IOWR(MGSL_MAGIC_IOC,18,struct gpio_desc)
 #endif /* _SYNCLINK_H_ */
diff --git a/include/linux/ufs_fs.h b/include/linux/ufs_fs.h
index b0ffe4356e5a..843aeaaa79d4 100644
--- a/include/linux/ufs_fs.h
+++ b/include/linux/ufs_fs.h
@@ -895,7 +895,7 @@ extern void ufs_set_link(struct inode *, struct ufs_dir_entry *, struct buffer_h
 /* file.c */
 extern struct inode_operations ufs_file_inode_operations;
-extern struct file_operations ufs_file_operations;
+extern const struct file_operations ufs_file_operations;
 extern struct address_space_operations ufs_aops;
@@ -915,7 +915,7 @@ extern struct buffer_head * ufs_bread (struct inode *, unsigned, int, int *);
 extern int ufs_getfrag_block (struct inode *inode, sector_t fragment, struct buffer_head *bh_result, int create);
 /* namei.c */
-extern struct file_operations ufs_dir_operations;
+extern const struct file_operations ufs_dir_operations;
        
 /* super.c */
 extern void ufs_warning (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4)));
diff --git a/include/linux/usb.h b/include/linux/usb.h
index 130d125fda12..e34e5e3dce52 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -615,7 +615,7 @@ extern struct bus_type usb_bus_type;
 */
 struct usb_class_driver {
        char *name;
-        struct file_operations *fops;
+        const struct file_operations *fops;
        int minor_base;
 };
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 2275bfec5b68..af2d6155d3fe 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -75,7 +75,7 @@ struct video_device
        int minor;
        /* device ops + callbacks */
-        struct file_operations *fops;
+        const struct file_operations *fops;
        void (*release)(struct video_device *vfd);
diff --git a/include/sound/core.h b/include/sound/core.h
index 144bdc2f217f..7f32c12b4a0a 100644
--- a/include/sound/core.h
+++ b/include/sound/core.h
@@ -186,7 +186,7 @@ struct snd_minor {
        int type;                       /* SNDRV_DEVICE_TYPE_XXX */
        int card;                       /* card number */
        int device;                     /* device number */
-        struct file_operations *f_ops;  /* file operations */
+        const struct file_operations *f_ops;    /* file operations */
        void *private_data;             /* private data for f_ops->open */
        char name[0];                   /* device name (keep at the end of
                                                                structure) */
@@ -200,14 +200,14 @@ extern int snd_ecards_limit;
 void snd_request_card(int card);
 int snd_register_device(int type, struct snd_card *card, int dev,
-                        struct file_operations *f_ops, void *private_data,
+                        const struct file_operations *f_ops, void *private_data,
                        const char *name);
 int snd_unregister_device(int type, struct snd_card *card, int dev);
 void *snd_lookup_minor_data(unsigned int minor, int type);
 #ifdef CONFIG_SND_OSSEMUL
 int snd_register_oss_device(int type, struct snd_card *card, int dev,
-                            struct file_operations *f_ops, void *private_data,
+                            const struct file_operations *f_ops, void *private_data,
                            const char *name);
 int snd_unregister_oss_device(int type, struct snd_card *card, int dev);
 void *snd_lookup_oss_minor_data(unsigned int minor, int type);
diff --git a/init/main.c b/init/main.c
index 64466ea1984c..4a2f0898dda1 100644
--- a/init/main.c
+++ b/init/main.c
@@ -341,7 +341,7 @@ static void __init setup_per_cpu_areas(void)
 #endif
        ptr = alloc_bootmem(size * nr_possible_cpus);
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                __per_cpu_offset[i] = ptr - __per_cpu_start;
                memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);
                ptr += size;
diff --git a/ipc/mqueue.c b/ipc/mqueue.c
index 532ec3bf18d6..41ecbd440fed 100644
--- a/ipc/mqueue.c
+++ b/ipc/mqueue.c
@@ -762,7 +762,7 @@ out_unlock:
 * The receiver accepts the message and returns without grabbing the queue
 * spinlock. Therefore an intermediate STATE_PENDING state and memory barriers
 * are necessary. The same algorithm is used for sysv semaphores, see
- * ipc/sem.c fore more details.
+ * ipc/sem.c for more details.
 *
 * The same algorithm is used for senders.
 */
diff --git a/kernel/futex_compat.c b/kernel/futex_compat.c
index 9c077cf9aa84..54274fc85321 100644
--- a/kernel/futex_compat.c
+++ b/kernel/futex_compat.c
@@ -137,5 +137,6 @@ asmlinkage long compat_sys_futex(u32 __user *uaddr, int op, u32 val,
        if (op >= FUTEX_REQUEUE)
                val2 = (int) (unsigned long) utime;
-        return do_futex(uaddr, op, val, timeout, uaddr2, val2, val3);
+        return do_futex((unsigned long)uaddr, op, val, timeout,
+                        (unsigned long)uaddr2, val2, val3);
 }
diff --git a/kernel/module.c b/kernel/module.c
index 4fafd58038a0..bd088a7c1499 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -127,7 +127,7 @@ extern const unsigned long __start___kcrctab_gpl_future[];
 #ifndef CONFIG_MODVERSIONS
 #define symversion(base, idx) NULL
 #else
-#define symversion(base, idx) ((base) ? ((base) + (idx)) : NULL)
+#define symversion(base, idx) ((base != NULL) ? ((base) + (idx)) : NULL)
 #endif
 /* lookup symbol in given range of kernel_symbols */
diff --git a/kernel/params.c b/kernel/params.c
index 9de637a5c8bc..af43ecdc8d9b 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -31,7 +31,7 @@
 #define DEBUGP(fmt, a...)
 #endif
-static inline int dash2underscore(char c)
+static inline char dash2underscore(char c)
 {
        if (c == '-')
                return '_';
diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index b4b362b5baf5..8154e7589d12 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -301,7 +301,7 @@ rcu_torture_printk(char *page)
        long pipesummary[RCU_TORTURE_PIPE_LEN + 1] = { 0 };
        long batchsummary[RCU_TORTURE_PIPE_LEN + 1] = { 0 };
-        for_each_cpu(cpu) {
+        for_each_possible_cpu(cpu) {
                for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) {
                        pipesummary[i] += per_cpu(rcu_torture_count, cpu)[i];
                        batchsummary[i] += per_cpu(rcu_torture_batch, cpu)[i];
@@ -535,7 +535,7 @@ rcu_torture_init(void)
        atomic_set(&n_rcu_torture_error, 0);
        for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++)
                atomic_set(&rcu_torture_wcount[i], 0);
-        for_each_cpu(cpu) {
+        for_each_possible_cpu(cpu) {
                for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) {
                        per_cpu(rcu_torture_count, cpu)[i] = 0;
                        per_cpu(rcu_torture_batch, cpu)[i] = 0;
diff --git a/kernel/sched.c b/kernel/sched.c
index 7854ee516b92..a9ecac398bb9 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -1625,7 +1625,7 @@ unsigned long nr_uninterruptible(void)
 {
        unsigned long i, sum = 0;
-        for_each_cpu(i)
+        for_each_possible_cpu(i)
                sum += cpu_rq(i)->nr_uninterruptible;
        /*
@@ -1642,7 +1642,7 @@ unsigned long long nr_context_switches(void)
 {
        unsigned long long i, sum = 0;
-        for_each_cpu(i)
+        for_each_possible_cpu(i)
                sum += cpu_rq(i)->nr_switches;
        return sum;
@@ -1652,7 +1652,7 @@ unsigned long nr_iowait(void)
 {
        unsigned long i, sum = 0;
-        for_each_cpu(i)
+        for_each_possible_cpu(i)
                sum += atomic_read(&cpu_rq(i)->nr_iowait);
        return sum;
@@ -6080,7 +6080,7 @@ void __init sched_init(void)
        runqueue_t *rq;
        int i, j, k;
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                prio_array_t *array;
                rq = cpu_rq(i);
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index 4f71cfd29c6f..dec8249e972d 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -912,7 +912,7 @@ asmlinkage long sys_migrate_pages(pid_t pid, unsigned long maxnode,
        /*
         * Check if this process has the right to modify the specified
         * process. The right exists if the process has administrative
-         * capabilities, superuser priviledges or the same
+         * capabilities, superuser privileges or the same
         * userid as the target process.
         */
        if ((current->euid != task->suid) && (current->euid != task->uid) &&
diff --git a/mm/slab.c b/mm/slab.c
index 681837499d7d..4cbf8bb13557 100644
--- a/mm/slab.c
+++ b/mm/slab.c
@@ -3311,7 +3311,7 @@ void *__alloc_percpu(size_t size)
         * and we have no way of figuring out how to fix the array
         * that we have allocated then....
         */
-        for_each_cpu(i) {
+        for_each_possible_cpu(i) {
                int node = cpu_to_node(i);
                if (node_online(node))
@@ -3398,7 +3398,7 @@ void free_percpu(const void *objp)
        /*
         * We allocate for all cpus so we cannot use for online cpu here.
         */
-        for_each_cpu(i)
+        for_each_possible_cpu(i)
            kfree(p->ptrs[i]);
        kfree(p);
 }
diff --git a/mm/swap.c b/mm/swap.c
index 91b7e2026f69..88895c249bc9 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -512,7 +512,7 @@ long percpu_counter_sum(struct percpu_counter *fbc)
        spin_lock(&fbc->lock);
        ret = fbc->count;
-        for_each_cpu(cpu) {
+        for_each_possible_cpu(cpu) {
                long *pcount = per_cpu_ptr(fbc->counters, cpu);
                ret += *pcount;
        }
diff --git a/net/irda/af_irda.c b/net/irda/af_irda.c
index 759445648667..627b11342233 100644
--- a/net/irda/af_irda.c
+++ b/net/irda/af_irda.c
@@ -1302,7 +1302,7 @@ static int irda_sendmsg(struct kiocb *iocb, struct socket *sock,
        if (sk->sk_state != TCP_ESTABLISHED)
                return -ENOTCONN;
-        /* Check that we don't send out to big frames */
+        /* Check that we don't send out too big frames */
        if (len > self->max_data_size) {
                IRDA_DEBUG(2, "%s(), Chopping frame from %zd to %d bytes!\n",
                           __FUNCTION__, len, self->max_data_size);
@@ -1546,7 +1546,7 @@ static int irda_sendmsg_dgram(struct kiocb *iocb, struct socket *sock,
        IRDA_ASSERT(self != NULL, return -1;);
        /*
-         * Check that we don't send out to big frames. This is an unreliable
+         * Check that we don't send out too big frames. This is an unreliable
         * service, so we have no fragmentation and no coalescence
         */
        if (len > self->max_data_size) {
@@ -1642,7 +1642,7 @@ static int irda_sendmsg_ultra(struct kiocb *iocb, struct socket *sock,
        }
        /*
-         * Check that we don't send out to big frames. This is an unreliable
+         * Check that we don't send out too big frames. This is an unreliable
         * service, so we have no fragmentation and no coalescence
         */
        if (len > self->max_data_size) {
diff --git a/net/nonet.c b/net/nonet.c
index 1230f0ae832e..92e76640c7cd 100644
--- a/net/nonet.c
+++ b/net/nonet.c
@@ -19,7 +19,7 @@ static int sock_no_open(struct inode *irrelevant, struct file *dontcare)
        return -ENXIO;
 }
-struct file_operations bad_sock_fops = {
+const struct file_operations bad_sock_fops = {
        .owner = THIS_MODULE,
        .open = sock_no_open,
 };
diff --git a/net/socket.c b/net/socket.c
index 5211ba270375..fcd77eac0ccf 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -539,7 +539,7 @@ static int sock_no_open(struct inode *irrelevant, struct file *dontcare)
        return -ENXIO;
 }
-struct file_operations bad_sock_fops = {
+const struct file_operations bad_sock_fops = {
        .owner = THIS_MODULE,
        .open = sock_no_open,
 };
diff --git a/net/sunrpc/rpc_pipe.c b/net/sunrpc/rpc_pipe.c
index aa4158be9900..cc673dd8433f 100644
--- a/net/sunrpc/rpc_pipe.c
+++ b/net/sunrpc/rpc_pipe.c
@@ -395,7 +395,7 @@ enum {
 */
 struct rpc_filelist {
        char *name;
-        struct file_operations *i_fop;
+        const struct file_operations *i_fop;
        int mode;
 };
diff --git a/net/sunrpc/stats.c b/net/sunrpc/stats.c
index 790941e8af4d..dea529666d69 100644
--- a/net/sunrpc/stats.c
+++ b/net/sunrpc/stats.c
@@ -225,7 +225,7 @@ EXPORT_SYMBOL(rpc_print_iostats);
 * Register/unregister RPC proc files
 */
 static inline struct proc_dir_entry *
-do_register(const char *name, void *data, struct file_operations *fops)
+do_register(const char *name, void *data, const struct file_operations *fops)
 {
        struct proc_dir_entry *ent;
@@ -253,7 +253,7 @@ rpc_proc_unregister(const char *name)
 }
 struct proc_dir_entry *
-svc_proc_register(struct svc_stat *statp, struct file_operations *fops)
+svc_proc_register(struct svc_stat *statp, const struct file_operations *fops)
 {
        return do_register(statp->program->pg_name, statp, fops);
 }
diff --git a/sound/core/init.c b/sound/core/init.c
index ad68761abba1..5bb8a8b23d51 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -223,7 +223,8 @@ int snd_card_disconnect(struct snd_card *card)
        struct snd_monitor_file *mfile;
        struct file *file;
        struct snd_shutdown_f_ops *s_f_ops;
-        struct file_operations *f_ops, *old_f_ops;
+        struct file_operations *f_ops;
+        const struct file_operations *old_f_ops;
        int err;
        spin_lock(&card->files_lock);
diff --git a/sound/core/rawmidi.c b/sound/core/rawmidi.c
index 6b7a36774298..87b47c9564f7 100644
--- a/sound/core/rawmidi.c
+++ b/sound/core/rawmidi.c
@@ -631,7 +631,8 @@ int snd_rawmidi_output_params(struct snd_rawmidi_substream *substream,
                return -EINVAL;
        }
        if (params->buffer_size != runtime->buffer_size) {
-                if ((newbuf = (char *) kmalloc(params->buffer_size, GFP_KERNEL)) == NULL)
+                newbuf = kmalloc(params->buffer_size, GFP_KERNEL);
+                if (!newbuf)
                        return -ENOMEM;
                kfree(runtime->buffer);
                runtime->buffer = newbuf;
@@ -657,7 +658,8 @@ int snd_rawmidi_input_params(struct snd_rawmidi_substream *substream,
                return -EINVAL;
        }
        if (params->buffer_size != runtime->buffer_size) {
-                if ((newbuf = (char *) kmalloc(params->buffer_size, GFP_KERNEL)) == NULL)
+                newbuf = kmalloc(params->buffer_size, GFP_KERNEL);
+                if (!newbuf)
                        return -ENOMEM;
                kfree(runtime->buffer);
                runtime->buffer = newbuf;
diff --git a/sound/core/sound.c b/sound/core/sound.c
index 4d28e5212611..108e430b5036 100644
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -137,7 +137,7 @@ static int snd_open(struct inode *inode, struct file *file)
 {
        unsigned int minor = iminor(inode);
        struct snd_minor *mptr = NULL;
-        struct file_operations *old_fops;
+        const struct file_operations *old_fops;
        int err = 0;
        if (minor >= ARRAY_SIZE(snd_minors))
@@ -240,7 +240,7 @@ static int snd_kernel_minor(int type, struct snd_card *card, int dev)
 * Retrurns zero if successful, or a negative error code on failure.
 */
 int snd_register_device(int type, struct snd_card *card, int dev,
-                        struct file_operations *f_ops, void *private_data,
+                        const struct file_operations *f_ops, void *private_data,
                        const char *name)
 {
        int minor;
diff --git a/sound/core/sound_oss.c b/sound/core/sound_oss.c
index 4023d3b406de..9055c6de9587 100644
--- a/sound/core/sound_oss.c
+++ b/sound/core/sound_oss.c
@@ -95,7 +95,7 @@ static int snd_oss_kernel_minor(int type, struct snd_card *card, int dev)
 }
 int snd_register_oss_device(int type, struct snd_card *card, int dev,
-                            struct file_operations *f_ops, void *private_data,
+                            const struct file_operations *f_ops, void *private_data,
                            const char *name)
 {
        int minor = snd_oss_kernel_minor(type, card, dev);
diff --git a/sound/oss/dmasound/dmasound_awacs.c b/sound/oss/dmasound/dmasound_awacs.c
index 6ba8d6f45fe8..3bbc8105e9f1 100644
--- a/sound/oss/dmasound/dmasound_awacs.c
+++ b/sound/oss/dmasound/dmasound_awacs.c
@@ -2798,7 +2798,7 @@ __init setup_beep(void)
                        DBDMA_ALIGN(beep_dbdma_cmd_space);
        /* set up emergency dbdma cmd */
        emergency_dbdma_cmd = beep_dbdma_cmd+1 ;
-        beep_buf = (short *) kmalloc(BEEP_BUFLEN * 4, GFP_KERNEL);
+        beep_buf = kmalloc(BEEP_BUFLEN * 4, GFP_KERNEL);
        if (beep_buf == NULL) {
                printk(KERN_ERR "dmasound_pmac: no memory for beep buffer\n");
                kfree(beep_dbdma_cmd_space) ;
diff --git a/sound/oss/emu10k1/midi.c b/sound/oss/emu10k1/midi.c
index 959a96794dba..25ae8e4a488d 100644
--- a/sound/oss/emu10k1/midi.c
+++ b/sound/oss/emu10k1/midi.c
@@ -65,7 +65,8 @@ static int midiin_add_buffer(struct emu10k1_mididevice *midi_dev, struct midi_hd
        init_midi_hdr(midihdr);
-        if ((midihdr->data = (u8 *) kmalloc(MIDIIN_BUFLEN, GFP_KERNEL)) == NULL) {
+        midihdr->data = kmalloc(MIDIIN_BUFLEN, GFP_KERNEL);
+        if (!midihdr->data) {
                ERROR();
                kfree(midihdr);
                return -1;
@@ -334,7 +335,8 @@ static ssize_t emu10k1_midi_write(struct file *file, const char __user *buffer,
        midihdr->bytesrecorded = 0;
        midihdr->flags = 0;
-        if ((midihdr->data = (u8 *) kmalloc(count, GFP_KERNEL)) == NULL) {
+        midihdr->data = kmalloc(count, GFP_KERNEL);
+        if (!midihdr->data) {
                ERROR();
                kfree(midihdr);
                return -EINVAL;
@@ -545,7 +547,8 @@ int emu10k1_seq_midi_out(int dev, unsigned char midi_byte)
        midihdr->bytesrecorded = 0;
        midihdr->flags = 0;
-        if ((midihdr->data = (u8 *) kmalloc(1, GFP_KERNEL)) == NULL) {
+        midihdr->data = kmalloc(1, GFP_KERNEL);
+        if (!midihdr->data) {
                ERROR();
                kfree(midihdr);
                return -EINVAL;
diff --git a/sound/oss/esssolo1.c b/sound/oss/esssolo1.c
index 78d3e29ce968..6861563d7525 100644
--- a/sound/oss/esssolo1.c
+++ b/sound/oss/esssolo1.c
@@ -2348,7 +2348,7 @@ static int __devinit solo1_probe(struct pci_dev *pcidev, const struct pci_device
        /* Recording requires 24-bit DMA, so attempt to set dma mask
         * to 24 bits first, then 32 bits (playback only) if that fails.
         */
-        if (pci_set_dma_mask(pcidev, 0x00ffffff) &&
+        if (pci_set_dma_mask(pcidev, DMA_24BIT_MASK) &&
            pci_set_dma_mask(pcidev, DMA_32BIT_MASK)) {
                printk(KERN_WARNING "solo1: architecture does not support 24bit or 32bit PCI busmaster DMA\n");
                return -ENODEV;
diff --git a/sound/oss/maestro3.c b/sound/oss/maestro3.c
index 66044aff2586..4a5e4237a110 100644
--- a/sound/oss/maestro3.c
+++ b/sound/oss/maestro3.c
@@ -2582,15 +2582,9 @@ static int alloc_dsp_suspendmem(struct m3_card *card)
    return 0;
 }
-static void free_dsp_suspendmem(struct m3_card *card)
-{
-   if(card->suspend_mem)
-       vfree(card->suspend_mem);
-}
 #else
 #define alloc_dsp_suspendmem(args...) 0
-#define free_dsp_suspendmem(args...) 
 #endif
 /*
@@ -2717,7 +2711,7 @@ out:
    if(ret) {
        if(card->iobase)
            release_region(pci_resource_start(pci_dev, 0), pci_resource_len(pci_dev, 0));
-        free_dsp_suspendmem(card);
+        vfree(card->suspend_mem);
        if(card->ac97) {
            unregister_sound_mixer(card->ac97->dev_mixer);
            kfree(card->ac97);
@@ -2760,7 +2754,7 @@ static void m3_remove(struct pci_dev *pci_dev)
        }
        release_region(card->iobase, 256);
-        free_dsp_suspendmem(card);
+        vfree(card->suspend_mem);
        kfree(card);
    }
    devs = NULL;
diff --git a/sound/oss/msnd.c b/sound/oss/msnd.c
index a7ad2b0a2ac0..5dbfc0f9c3c7 100644
--- a/sound/oss/msnd.c
+++ b/sound/oss/msnd.c
@@ -95,10 +95,8 @@ void msnd_fifo_init(msnd_fifo *f)
 void msnd_fifo_free(msnd_fifo *f)
 {
-        if (f->data) {
+        vfree(f->data);
-                vfree(f->data);
+        f->data = NULL;
-                f->data = NULL;
-        }
 }
 int msnd_fifo_alloc(msnd_fifo *f, size_t n)
diff --git a/sound/oss/sb_card.c b/sound/oss/sb_card.c
index d38e88abc8fa..4708cbdc3149 100644
--- a/sound/oss/sb_card.c
+++ b/sound/oss/sb_card.c
@@ -348,10 +348,8 @@ static void __exit sb_exit(void)
        sb_unregister_all();
-        if (smw_free) {
+        vfree(smw_free);
-                vfree(smw_free);
+        smw_free = NULL;
-                smw_free = NULL;
-        }
 }
 module_init(sb_init);
diff --git a/sound/oss/sequencer.c b/sound/oss/sequencer.c
index 347cd79c2502..6815c30e0bc1 100644
--- a/sound/oss/sequencer.c
+++ b/sound/oss/sequencer.c
@@ -1671,14 +1671,7 @@ void sequencer_init(void)
 void sequencer_unload(void)
 {
-        if(queue)
+        vfree(queue);
-        {
+        vfree(iqueue);
-                vfree(queue);
+        queue = iqueue = NULL;
-                queue=NULL;
-        }
-        if(iqueue)
-        {
-                vfree(iqueue);
-                iqueue=NULL;
-        }
 }
diff --git a/sound/oss/sh_dac_audio.c b/sound/oss/sh_dac_audio.c
index 8a9917c919c2..3f7427cd195a 100644
--- a/sound/oss/sh_dac_audio.c
+++ b/sound/oss/sh_dac_audio.c
@@ -289,7 +289,7 @@ static int __init dac_audio_init(void)
        in_use = 0;
-        data_buffer = (char *)kmalloc(BUFFER_SIZE, GFP_KERNEL);
+        data_buffer = kmalloc(BUFFER_SIZE, GFP_KERNEL);
        if (data_buffer == NULL)
                return -ENOMEM;
diff --git a/sound/oss/sonicvibes.c b/sound/oss/sonicvibes.c
index 4471757b7985..42bd276cfc39 100644
--- a/sound/oss/sonicvibes.c
+++ b/sound/oss/sonicvibes.c
@@ -116,6 +116,7 @@
 #include <linux/spinlock.h>
 #include <linux/smp_lock.h>
 #include <linux/gameport.h>
+#include <linux/dma-mapping.h>
 #include <linux/mutex.h>
@@ -2535,7 +2536,7 @@ static int __devinit sv_probe(struct pci_dev *pcidev, const struct pci_device_id
                return -ENODEV;
        if (pcidev->irq == 0)
                return -ENODEV;
-        if (pci_set_dma_mask(pcidev, 0x00ffffff)) {
+        if (pci_set_dma_mask(pcidev, DMA_24BIT_MASK)) {
                printk(KERN_WARNING "sonicvibes: architecture does not support 24bit PCI busmaster DMA\n");
                return -ENODEV;
        }
diff --git a/sound/pci/ad1889.c b/sound/pci/ad1889.c
index 2aa5a7fdb6e0..c6c8333acc62 100644
--- a/sound/pci/ad1889.c
+++ b/sound/pci/ad1889.c
@@ -39,6 +39,7 @@
 #include <linux/interrupt.h>
 #include <linux/compiler.h>
 #include <linux/delay.h>
+#include <linux/dma-mapping.h>
 #include <sound/driver.h>
 #include <sound/core.h>
diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index e264136e8fb4..fc92b6896c24 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -33,6 +33,7 @@
 #include <linux/pci.h>
 #include <linux/slab.h>
 #include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/info.h>
@@ -2220,8 +2221,8 @@ static int __devinit snd_ali_create(struct snd_card *card,
        if ((err = pci_enable_device(pci)) < 0)
                return err;
        /* check, if we can restrict PCI DMA transfers to 31 bits */
-        if (pci_set_dma_mask(pci, 0x7fffffff) < 0 ||
+        if (pci_set_dma_mask(pci, DMA_31BIT_MASK) < 0 ||
-            pci_set_consistent_dma_mask(pci, 0x7fffffff) < 0) {
+            pci_set_consistent_dma_mask(pci, DMA_31BIT_MASK) < 0) {
                snd_printk(KERN_ERR "architecture does not support 31bit PCI busmaster DMA\n");
                pci_disable_device(pci);
                return -ENXIO;
diff --git a/sound/pci/als4000.c b/sound/pci/als4000.c
index 7b2ff5f4672e..100d8127a411 100644
--- a/sound/pci/als4000.c
+++ b/sound/pci/als4000.c
@@ -70,6 +70,7 @@
 #include <linux/slab.h>
 #include <linux/gameport.h>
 #include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/rawmidi.h>
@@ -688,8 +689,8 @@ static int __devinit snd_card_als4000_probe(struct pci_dev *pci,
                return err;
        }
        /* check, if we can restrict PCI DMA transfers to 24 bits */
-        if (pci_set_dma_mask(pci, 0x00ffffff) < 0 ||
+        if (pci_set_dma_mask(pci, DMA_24BIT_MASK) < 0 ||
-            pci_set_consistent_dma_mask(pci, 0x00ffffff) < 0) {
+            pci_set_consistent_dma_mask(pci, DMA_24BIT_MASK) < 0) {
                snd_printk(KERN_ERR "architecture does not support 24bit PCI busmaster DMA\n");
                pci_disable_device(pci);
                return -ENXIO;
diff --git a/sound/pci/azt3328.c b/sound/pci/azt3328.c
index e077eb3fbe2f..680077e1e057 100644
--- a/sound/pci/azt3328.c
+++ b/sound/pci/azt3328.c
@@ -104,6 +104,7 @@
 #include <linux/slab.h>
 #include <linux/gameport.h>
 #include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
 #include <sound/core.h>
 #include <sound/control.h>
 #include <sound/pcm.h>
@@ -1669,8 +1670,8 @@ snd_azf3328_create(struct snd_card *card,
        chip->irq = -1;
        /* check if we can restrict PCI DMA transfers to 24 bits */
-        if (pci_set_dma_mask(pci, 0x00ffffff) < 0 ||
+        if (pci_set_dma_mask(pci, DMA_24BIT_MASK) < 0 ||
-            pci_set_consistent_dma_mask(pci, 0x00ffffff) < 0) {
+            pci_set_consistent_dma_mask(pci, DMA_24BIT_MASK) < 0) {
                snd_printk(KERN_ERR "architecture does not support 24bit PCI busmaster DMA\n");
                err = -ENXIO;
                goto out_err;
diff --git a/sound/pci/emu10k1/emu10k1x.c b/sound/pci/emu10k1/emu10k1x.c
index 2208dbd48be9..3e332f398162 100644
--- a/sound/pci/emu10k1/emu10k1x.c
+++ b/sound/pci/emu10k1/emu10k1x.c
@@ -36,6 +36,7 @@
 #include <linux/dma-mapping.h>
 #include <linux/slab.h>
 #include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
 #include <sound/core.h>
 #include <sound/initval.h>
 #include <sound/pcm.h>
diff --git a/sound/pci/es1938.c b/sound/pci/es1938.c
index 0d556b09ad04..4d62fe439177 100644
--- a/sound/pci/es1938.c
+++ b/sound/pci/es1938.c
@@ -55,6 +55,7 @@
 #include <linux/gameport.h>
 #include <linux/moduleparam.h>
 #include <linux/delay.h>
+#include <linux/dma-mapping.h>
 #include <sound/core.h>
 #include <sound/control.h>
 #include <sound/pcm.h>
@@ -1517,8 +1518,8 @@ static int __devinit snd_es1938_create(struct snd_card *card,
        if ((err = pci_enable_device(pci)) < 0)
                return err;
        /* check, if we can restrict PCI DMA transfers to 24 bits */
-        if (pci_set_dma_mask(pci, 0x00ffffff) < 0 ||
+        if (pci_set_dma_mask(pci, DMA_24BIT_MASK) < 0 ||
-            pci_set_consistent_dma_mask(pci, 0x00ffffff) < 0) {
+            pci_set_consistent_dma_mask(pci, DMA_24BIT_MASK) < 0) {
                snd_printk(KERN_ERR "architecture does not support 24bit PCI busmaster DMA\n");
                pci_disable_device(pci);
                return -ENXIO;
diff --git a/sound/pci/es1968.c b/sound/pci/es1968.c
index dd465a186e11..e3ad17f53c29 100644
--- a/sound/pci/es1968.c
+++ b/sound/pci/es1968.c
@@ -104,6 +104,7 @@
 #include <linux/slab.h>
 #include <linux/gameport.h>
 #include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
 #include <linux/mutex.h>
 #include <sound/core.h>
diff --git a/sound/pci/ice1712/ice1712.c b/sound/pci/ice1712/ice1712.c
index 672e198317e1..b88eeba2f5d1 100644
--- a/sound/pci/ice1712/ice1712.c
+++ b/sound/pci/ice1712/ice1712.c
@@ -56,7 +56,9 @@
 #include <linux/dma-mapping.h>
 #include <linux/slab.h>
 #include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
 #include <linux/mutex.h>
 #include <sound/core.h>
 #include <sound/cs8427.h>
 #include <sound/info.h>
diff --git a/sound/pci/maestro3.c b/sound/pci/maestro3.c
index 8bc084956c28..44393e190929 100644
--- a/sound/pci/maestro3.c
+++ b/sound/pci/maestro3.c
@@ -41,6 +41,7 @@
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
 #include <sound/core.h>
 #include <sound/info.h>
 #include <sound/control.h>
diff --git a/sound/pci/mixart/mixart.c b/sound/pci/mixart/mixart.c
index 43ee3b2b948f..b5a095052d4c 100644
--- a/sound/pci/mixart/mixart.c
+++ b/sound/pci/mixart/mixart.c
@@ -28,6 +28,8 @@
 #include <linux/dma-mapping.h>
 #include <linux/moduleparam.h>
 #include <linux/mutex.h>
+#include <linux/dma-mapping.h>
 #include <sound/core.h>
 #include <sound/initval.h>
 #include <sound/info.h>
diff --git a/sound/pci/pcxhr/pcxhr.c b/sound/pci/pcxhr/pcxhr.c
index f679779d96e3..35875c8aa299 100644
--- a/sound/pci/pcxhr/pcxhr.c
+++ b/sound/pci/pcxhr/pcxhr.c
@@ -30,6 +30,7 @@
 #include <linux/delay.h>
 #include <linux/moduleparam.h>
 #include <linux/mutex.h>
+#include <linux/dma-mapping.h>
 #include <sound/core.h>
 #include <sound/initval.h>
diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c
index 0cbef5fe6c63..ab78544bf042 100644
--- a/sound/pci/rme32.c
+++ b/sound/pci/rme32.c
@@ -313,7 +313,7 @@ static int snd_rme32_capture_copy(struct snd_pcm_substream *substream, int chann
 }
 /*
- * SPDIF I/O capabilites (half-duplex mode)
+ * SPDIF I/O capabilities (half-duplex mode)
 */
 static struct snd_pcm_hardware snd_rme32_spdif_info = {
        .info =         (SNDRV_PCM_INFO_MMAP_IOMEM |
@@ -339,7 +339,7 @@ static struct snd_pcm_hardware snd_rme32_spdif_info = {
 };
 /*
- * ADAT I/O capabilites (half-duplex mode)
+ * ADAT I/O capabilities (half-duplex mode)
 */
 static struct snd_pcm_hardware snd_rme32_adat_info =
 {
@@ -364,7 +364,7 @@ static struct snd_pcm_hardware snd_rme32_adat_info =
 };
 /*
- * SPDIF I/O capabilites (full-duplex mode)
+ * SPDIF I/O capabilities (full-duplex mode)
 */
 static struct snd_pcm_hardware snd_rme32_spdif_fd_info = {
        .info =         (SNDRV_PCM_INFO_MMAP |
@@ -390,7 +390,7 @@ static struct snd_pcm_hardware snd_rme32_spdif_fd_info = {
 };
 /*
- * ADAT I/O capabilites (full-duplex mode)
+ * ADAT I/O capabilities (full-duplex mode)
 */
 static struct snd_pcm_hardware snd_rme32_adat_fd_info =
 {
diff --git a/sound/pci/rme96.c b/sound/pci/rme96.c
index 0e694b011dcc..6c2a9f4a7659 100644
--- a/sound/pci/rme96.c
+++ b/sound/pci/rme96.c
@@ -359,7 +359,7 @@ snd_rme96_capture_copy(struct snd_pcm_substream *substream,
 }
 /*
- * Digital output capabilites (S/PDIF)
+ * Digital output capabilities (S/PDIF)
 */
 static struct snd_pcm_hardware snd_rme96_playback_spdif_info =
 {
@@ -388,7 +388,7 @@ static struct snd_pcm_hardware snd_rme96_playback_spdif_info =
 };
 /*
- * Digital input capabilites (S/PDIF)
+ * Digital input capabilities (S/PDIF)
 */
 static struct snd_pcm_hardware snd_rme96_capture_spdif_info =
 {
@@ -417,7 +417,7 @@ static struct snd_pcm_hardware snd_rme96_capture_spdif_info =
 };
 /*
- * Digital output capabilites (ADAT)
+ * Digital output capabilities (ADAT)
 */
 static struct snd_pcm_hardware snd_rme96_playback_adat_info =
 {
@@ -442,7 +442,7 @@ static struct snd_pcm_hardware snd_rme96_playback_adat_info =
 };
 /*
- * Digital input capabilites (ADAT)
+ * Digital input capabilities (ADAT)
 */
 static struct snd_pcm_hardware snd_rme96_capture_adat_info =
 {
diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c
index 980b9cd689dd..b5538efd146b 100644
--- a/sound/pci/rme9652/hdspm.c
+++ b/sound/pci/rme9652/hdspm.c
@@ -2256,7 +2256,7 @@ static int snd_hdspm_create_controls(struct snd_card *card, struct hdspm * hdspm
        }
        /* Channel playback mixer as default control 
-           Note: the whole matrix would be 128*HDSPM_MIXER_CHANNELS Faders, thats to big for any alsamixer 
+           Note: the whole matrix would be 128*HDSPM_MIXER_CHANNELS Faders, thats too big for any alsamixer
           they are accesible via special IOCTL on hwdep
           and the mixer 2dimensional mixer control */
diff --git a/sound/pci/sonicvibes.c b/sound/pci/sonicvibes.c
index 7bbea3738b8a..2d66a09fe5ee 100644
--- a/sound/pci/sonicvibes.c
+++ b/sound/pci/sonicvibes.c
@@ -30,6 +30,7 @@
 #include <linux/slab.h>
 #include <linux/gameport.h>
 #include <linux/moduleparam.h>
+#include <linux/dma-mapping.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
@@ -1227,8 +1228,8 @@ static int __devinit snd_sonicvibes_create(struct snd_card *card,
        if ((err = pci_enable_device(pci)) < 0)
                return err;
        /* check, if we can restrict PCI DMA transfers to 24 bits */
-        if (pci_set_dma_mask(pci, 0x00ffffff) < 0 ||
+        if (pci_set_dma_mask(pci, DMA_24BIT_MASK) < 0 ||
-            pci_set_consistent_dma_mask(pci, 0x00ffffff) < 0) {
+            pci_set_consistent_dma_mask(pci, DMA_24BIT_MASK) < 0) {
                snd_printk(KERN_ERR "architecture does not support 24bit PCI busmaster DMA\n");
                pci_disable_device(pci);
                return -ENXIO;
diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c
index 83b7d8aba9e6..52178b8ad49d 100644
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -35,6 +35,7 @@
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/gameport.h>
+#include <linux/dma-mapping.h>
 #include <sound/core.h>
 #include <sound/info.h>
@@ -3554,8 +3555,8 @@ int __devinit snd_trident_create(struct snd_card *card,
        if ((err = pci_enable_device(pci)) < 0)
                return err;
        /* check, if we can restrict PCI DMA transfers to 30 bits */
-        if (pci_set_dma_mask(pci, 0x3fffffff) < 0 ||
+        if (pci_set_dma_mask(pci, DMA_30BIT_MASK) < 0 ||
-            pci_set_consistent_dma_mask(pci, 0x3fffffff) < 0) {
+            pci_set_consistent_dma_mask(pci, DMA_30BIT_MASK) < 0) {
                snd_printk(KERN_ERR "architecture does not support 30bit PCI busmaster DMA\n");
                pci_disable_device(pci);
                return -ENXIO;
diff --git a/sound/sound_core.c b/sound/sound_core.c
index 394b53e20cb8..6f849720aef3 100644
--- a/sound/sound_core.c
+++ b/sound/sound_core.c
@@ -53,7 +53,7 @@
 struct sound_unit
 {
        int unit_minor;
-        struct file_operations *unit_fops;
+        const struct file_operations *unit_fops;
        struct sound_unit *next;
        char name[32];
 };
@@ -73,7 +73,7 @@ EXPORT_SYMBOL(sound_class);
 *      join into it. Called with the lock asserted
 */
-static int __sound_insert_unit(struct sound_unit * s, struct sound_unit **list, struct file_operations *fops, int index, int low, int top)
+static int __sound_insert_unit(struct sound_unit * s, struct sound_unit **list, const struct file_operations *fops, int index, int low, int top)
 {
        int n=low;
@@ -153,7 +153,7 @@ static DEFINE_SPINLOCK(sound_loader_lock);
 *      list. Acquires locks as needed
 */
-static int sound_insert_unit(struct sound_unit **list, struct file_operations *fops, int index, int low, int top, const char *name, umode_t mode, struct device *dev)
+static int sound_insert_unit(struct sound_unit **list, const struct file_operations *fops, int index, int low, int top, const char *name, umode_t mode, struct device *dev)
 {
        struct sound_unit *s = kmalloc(sizeof(*s), GFP_KERNEL);
        int r;
@@ -237,7 +237,7 @@ static struct sound_unit *chains[SOUND_STEP];
 *      a negative error code is returned.
 */
 
-int register_sound_special_device(struct file_operations *fops, int unit,
+int register_sound_special_device(const struct file_operations *fops, int unit,
                                  struct device *dev)
 {
        const int chain = unit % SOUND_STEP;
@@ -301,7 +301,7 @@ int register_sound_special_device(struct file_operations *fops, int unit,
 
 EXPORT_SYMBOL(register_sound_special_device);
-int register_sound_special(struct file_operations *fops, int unit)
+int register_sound_special(const struct file_operations *fops, int unit)
 {
        return register_sound_special_device(fops, unit, NULL);
 }
@@ -318,7 +318,7 @@ EXPORT_SYMBOL(register_sound_special);
 *      number is returned, on failure a negative error code is returned.
 */
-int register_sound_mixer(struct file_operations *fops, int dev)
+int register_sound_mixer(const struct file_operations *fops, int dev)
 {
        return sound_insert_unit(&chains[0], fops, dev, 0, 128,
                                 "mixer", S_IRUSR | S_IWUSR, NULL);
@@ -336,7 +336,7 @@ EXPORT_SYMBOL(register_sound_mixer);
 *      number is returned, on failure a negative error code is returned.
 */
-int register_sound_midi(struct file_operations *fops, int dev)
+int register_sound_midi(const struct file_operations *fops, int dev)
 {
        return sound_insert_unit(&chains[2], fops, dev, 2, 130,
                                 "midi", S_IRUSR | S_IWUSR, NULL);
@@ -362,7 +362,7 @@ EXPORT_SYMBOL(register_sound_midi);
 *      and will always allocate them as a matching pair - eg dsp3/audio3
 */
-int register_sound_dsp(struct file_operations *fops, int dev)
+int register_sound_dsp(const struct file_operations *fops, int dev)
 {
        return sound_insert_unit(&chains[3], fops, dev, 3, 131,
                                 "dsp", S_IWUSR | S_IRUSR, NULL);
@@ -381,7 +381,7 @@ EXPORT_SYMBOL(register_sound_dsp);
 */
-int register_sound_synth(struct file_operations *fops, int dev)
+int register_sound_synth(const struct file_operations *fops, int dev)
 {
        return sound_insert_unit(&chains[9], fops, dev, 9, 137,
                                 "synth", S_IRUSR | S_IWUSR, NULL);
@@ -501,7 +501,7 @@ int soundcore_open(struct inode *inode, struct file *file)
        int chain;
        int unit = iminor(inode);
        struct sound_unit *s;
-        struct file_operations *new_fops = NULL;
+        const struct file_operations *new_fops = NULL;
        chain=unit&0x0F;
        if(chain==4 || chain==5)        /* dsp/audio/dsp16 */
@@ -540,7 +540,7 @@ int soundcore_open(struct inode *inode, struct file *file)
                 * switching ->f_op in the first place.
                 */
                int err = 0;
-                struct file_operations *old_fops = file->f_op;
+                const struct file_operations *old_fops = file->f_op;
                file->f_op = new_fops;
                spin_unlock(&sound_loader_lock);
                if(file->f_op->open)
diff --git a/sound/usb/usx2y/usx2yhwdeppcm.c b/sound/usb/usx2y/usx2yhwdeppcm.c
index 315855082fe1..fe67a92e2a1a 100644
--- a/sound/usb/usx2y/usx2yhwdeppcm.c
+++ b/sound/usb/usx2y/usx2yhwdeppcm.c
@@ -404,7 +404,7 @@ static void usX2Y_usbpcm_subs_startup(struct snd_usX2Y_substream *subs)
        struct usX2Ydev * usX2Y = subs->usX2Y;
        usX2Y->prepare_subs = subs;
        subs->urb[0]->start_frame = -1;
-        smp_wmb();      // Make shure above modifications are seen by i_usX2Y_subs_startup()
+        smp_wmb();      // Make sure above modifications are seen by i_usX2Y_subs_startup()
        usX2Y_urbs_set_complete(usX2Y, i_usX2Y_usbpcm_subs_startup);
 }