9 files changed, 96 insertions, 41 deletions

diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 61ad8d639ba3..0344a8a8321d 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -21,7 +21,8 @@ config BLK_DEV_FD
         ---help---
           If you want to use the floppy disk drive(s) of your PC under Linux,
           say Y. Information about this driver, especially important for IBM
-          Thinkpad users, is contained in <file:Documentation/floppy.txt>.
+          Thinkpad users, is contained in
+          <file:Documentation/blockdev/floppy.txt>.
           That file also contains the location of the Floppy driver FAQ as
           well as location of the fdutils package used to configure additional
           parameters of the driver at run time.
@@ -76,7 +77,7 @@ config PARIDE
           your computer's parallel port. Most of them are actually IDE devices
           using a parallel port IDE adapter. This option enables the PARIDE
           subsystem which contains drivers for many of these external drives.
-          Read <file:Documentation/paride.txt> for more information.
+          Read <file:Documentation/blockdev/paride.txt> for more information.
 
           If you have said Y to the "Parallel-port support" configuration
           option, you may share a single port between your printer and other
@@ -114,9 +115,9 @@ config BLK_CPQ_DA
         help
           This is the driver for Compaq Smart Array controllers.  Everyone
           using these boards should say Y here.  See the file
-          <file:Documentation/cpqarray.txt> for the current list of boards
-          supported by this driver, and for further information on the use of
-          this driver.
+          <file:Documentation/blockdev/cpqarray.txt> for the current list of
+          boards supported by this driver, and for further information on the
+          use of this driver.
 
 config BLK_CPQ_CISS_DA
         tristate "Compaq Smart Array 5xxx support"
@@ -124,7 +125,7 @@ config BLK_CPQ_CISS_DA
         help
           This is the driver for Compaq Smart Array 5xxx controllers.
           Everyone using these boards should say Y here.
-          See <file:Documentation/cciss.txt> for the current list of
+          See <file:Documentation/blockdev/cciss.txt> for the current list of
           boards supported by this driver, and for further information
           on the use of this driver.
 
@@ -135,7 +136,7 @@ config CISS_SCSI_TAPE
         help
           When enabled (Y), this option allows SCSI tape drives and SCSI medium
           changers (tape robots) to be accessed via a Compaq 5xxx array 
-          controller.  (See <file:Documentation/cciss.txt> for more details.)
+          controller.  (See <file:Documentation/blockdev/cciss.txt> for more details.)
 
           "SCSI support" and "SCSI tape support" must also be enabled for this 
           option to work.
@@ -149,8 +150,8 @@ config BLK_DEV_DAC960
         help
           This driver adds support for the Mylex DAC960, AcceleRAID, and
           eXtremeRAID PCI RAID controllers.  See the file
-          <file:Documentation/README.DAC960> for further information about
-          this driver.
+          <file:Documentation/blockdev/README.DAC960> for further information
+          about this driver.
 
           To compile this driver as a module, choose M here: the
           module will be called DAC960.
@@ -278,9 +279,9 @@ config BLK_DEV_NBD
           userland (making server and client physically the same computer,
           communicating using the loopback network device).
 
-          Read <file:Documentation/nbd.txt> for more information, especially
-          about where to find the server code, which runs in user space and
-          does not need special kernel support.
+          Read <file:Documentation/blockdev/nbd.txt> for more information,
+          especially about where to find the server code, which runs in user
+          space and does not need special kernel support.
 
           Note that this has nothing to do with the network file systems NFS
           or Coda; you can say N here even if you intend to use NFS or Coda.
@@ -321,8 +322,8 @@ config BLK_DEV_RAM
           store a copy of a minimal root file system off of a floppy into RAM
           during the initial install of Linux.
 
-          Note that the kernel command line option "ramdisk=XX" is now
-          obsolete. For details, read <file:Documentation/ramdisk.txt>.
+          Note that the kernel command line option "ramdisk=XX" is now obsolete.
+          For details, read <file:Documentation/blockdev/ramdisk.txt>.
 
           To compile this driver as a module, choose M here: the
           module will be called rd.
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 4023885353e0..9364dc554257 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -96,6 +96,8 @@ static const struct pci_device_id cciss_pci_device_id[] = {
         {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3245},
         {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3247},
         {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x3249},
+        {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x324A},
+        {PCI_VENDOR_ID_HP,     PCI_DEVICE_ID_HP_CISSE,     0x103C, 0x324B},
         {PCI_VENDOR_ID_HP,     PCI_ANY_ID,      PCI_ANY_ID, PCI_ANY_ID,
                 PCI_CLASS_STORAGE_RAID << 8, 0xffff << 8, 0},
         {0,}
@@ -133,6 +135,8 @@ static struct board_type products[] = {
         {0x3245103C, "Smart Array P410i", &SA5_access},
         {0x3247103C, "Smart Array P411", &SA5_access},
         {0x3249103C, "Smart Array P812", &SA5_access},
+        {0x324A103C, "Smart Array P712m", &SA5_access},
+        {0x324B103C, "Smart Array P711m", &SA5_access},
         {0xFFFF103C, "Unknown Smart Array", &SA5_access},
 };
 
@@ -1366,6 +1370,7 @@ static void cciss_add_disk(ctlr_info_t *h, struct gendisk *disk,
         disk->first_minor = drv_index << NWD_SHIFT;
         disk->fops = &cciss_fops;
         disk->private_data = &h->drv[drv_index];
+        disk->driverfs_dev = &h->pdev->dev;
 
         /* Set up queue information */
         blk_queue_bounce_limit(disk->queue, h->pdev->dma_mask);
@@ -2842,7 +2847,7 @@ static void do_cciss_request(struct request_queue *q)
                 h->maxSG = seg;
 
 #ifdef CCISS_DEBUG
-        printk(KERN_DEBUG "cciss: Submitting %d sectors in %d segments\n",
+        printk(KERN_DEBUG "cciss: Submitting %lu sectors in %d segments\n",
                creq->nr_sectors, seg);
 #endif                          /* CCISS_DEBUG */
 
@@ -3192,7 +3197,7 @@ static int __devinit cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
 
         c->paddr = pci_resource_start(pdev, 0); /* addressing mode bits already removed */
 #ifdef CCISS_DEBUG
-        printk("address 0 = %x\n", c->paddr);
+        printk("address 0 = %lx\n", c->paddr);
 #endif                          /* CCISS_DEBUG */
         c->vaddr = remap_pci_mem(c->paddr, 0x250);
 
@@ -3219,7 +3224,8 @@ static int __devinit cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
 #endif                          /* CCISS_DEBUG */
         cfg_base_addr_index = find_PCI_BAR_index(pdev, cfg_base_addr);
 #ifdef CCISS_DEBUG
-        printk("cfg base address index = %x\n", cfg_base_addr_index);
+        printk("cfg base address index = %llx\n",
+                (unsigned long long)cfg_base_addr_index);
 #endif                          /* CCISS_DEBUG */
         if (cfg_base_addr_index == -1) {
                 printk(KERN_WARNING "cciss: Cannot find cfg_base_addr_index\n");
@@ -3229,7 +3235,7 @@ static int __devinit cciss_pci_init(ctlr_info_t *c, struct pci_dev *pdev)
 
         cfg_offset = readl(c->vaddr + SA5_CTMEM_OFFSET);
 #ifdef CCISS_DEBUG
-        printk("cfg offset = %x\n", cfg_offset);
+        printk("cfg offset = %llx\n", (unsigned long long)cfg_offset);
 #endif                          /* CCISS_DEBUG */
         c->cfgtable = remap_pci_mem(pci_resource_start(pdev,
                                                        cfg_base_addr_index) +
@@ -3404,7 +3410,8 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
         int i;
         int j = 0;
         int rc;
-        int dac;
+        int dac, return_code;
+        InquiryData_struct *inq_buff = NULL;
 
         i = alloc_cciss_hba();
         if (i < 0)
@@ -3510,6 +3517,25 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
         /* Turn the interrupts on so we can service requests */
         hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_ON);
 
+        /* Get the firmware version */
+        inq_buff = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL);
+        if (inq_buff == NULL) {
+                printk(KERN_ERR "cciss: out of memory\n");
+                goto clean4;
+        }
+
+        return_code = sendcmd_withirq(CISS_INQUIRY, i, inq_buff,
+                sizeof(InquiryData_struct), 0, 0 , 0, TYPE_CMD);
+        if (return_code == IO_OK) {
+                hba[i]->firm_ver[0] = inq_buff->data_byte[32];
+                hba[i]->firm_ver[1] = inq_buff->data_byte[33];
+                hba[i]->firm_ver[2] = inq_buff->data_byte[34];
+                hba[i]->firm_ver[3] = inq_buff->data_byte[35];
+        } else {         /* send command failed */
+                printk(KERN_WARNING "cciss: unable to determine firmware"
+                        " version of controller\n");
+        }
+
         cciss_procinit(i);
 
         hba[i]->cciss_max_sectors = 2048;
@@ -3520,6 +3546,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
         return 1;
 
 clean4:
+        kfree(inq_buff);
 #ifdef CONFIG_CISS_SCSI_TAPE
         kfree(hba[i]->scsi_rejects.complete);
 #endif
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 47d233c6d0b3..5d39df14ed90 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -567,7 +567,12 @@ static int __init cpqarray_init(void)
                         num_cntlrs_reg++;
         }
 
-        return(num_cntlrs_reg);
+        if (num_cntlrs_reg)
+                return 0;
+        else {
+                pci_unregister_driver(&cpqarray_pci_driver);
+                return -ENODEV;
+        }
 }
 
 /* Function to find the first free pointer into our hba[] array */
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 14db747a636e..cf29cc4e6ab7 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4124,7 +4124,7 @@ static int __init floppy_setup(char *str)
                 printk("\n");
         } else
                 DPRINT("botched floppy option\n");
-        DPRINT("Read Documentation/floppy.txt\n");
+        DPRINT("Read Documentation/blockdev/floppy.txt\n");
         return 0;
 }
 
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 3f09cd8bcc38..5c4ee70d5cf3 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -40,8 +40,7 @@
  * Heinz Mauelshagen <mge@sistina.com>, Feb 2002
  *
  * Support for falling back on the write file operation when the address space
- * operations prepare_write and/or commit_write are not available on the
- * backing filesystem.
+ * operations write_begin is not available on the backing filesystem.
  * Anton Altaparmakov, 16 Feb 2005
  *
  * Still To Fix:
@@ -765,7 +764,7 @@ static int loop_set_fd(struct loop_device *lo, fmode_t mode,
                  */
                 if (!file->f_op->splice_read)
                         goto out_putf;
-                if (aops->prepare_write || aops->write_begin)
+                if (aops->write_begin)
                         lo_flags |= LO_FLAGS_USE_AOPS;
                 if (!(lo_flags & LO_FLAGS_USE_AOPS) && !file->f_op->write)
                         lo_flags |= LO_FLAGS_READ_ONLY;
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index f20bf359b84f..dc7a8c352da2 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -302,7 +302,7 @@ static struct kobj_type kobj_pkt_type_wqueue = {
 static void pkt_sysfs_dev_new(struct pktcdvd_device *pd)
 {
         if (class_pktcdvd) {
-                pd->dev = device_create(class_pktcdvd, NULL, pd->pkt_dev, NULL,
+                pd->dev = device_create(class_pktcdvd, NULL, MKDEV(0, 0), NULL,
                                         "%s", pd->name);
                 if (IS_ERR(pd->dev))
                         pd->dev = NULL;
@@ -2790,7 +2790,7 @@ static int pkt_new_dev(struct pktcdvd_device *pd, dev_t dev)
         return 0;
 
 out_mem:
-        blkdev_put(bdev, FMODE_READ|FMODE_WRITE);
+        blkdev_put(bdev, FMODE_READ | FMODE_NDELAY);
         /* This is safe: open() is still holding a reference. */
         module_put(THIS_MODULE);
         return ret;
@@ -2975,7 +2975,7 @@ static int pkt_remove_dev(dev_t pkt_dev)
         pkt_debugfs_dev_remove(pd);
         pkt_sysfs_dev_remove(pd);
 
-        blkdev_put(pd->bdev, FMODE_READ|FMODE_WRITE);
+        blkdev_put(pd->bdev, FMODE_READ | FMODE_NDELAY);
 
         remove_proc_entry(pd->name, pkt_proc);
         DPRINTK(DRIVER_NAME": writer %s unmapped\n", pd->name);
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index fccac18d3111..048d71d244d7 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -1546,8 +1546,6 @@ static void ub_top_sense_done(struct ub_dev *sc, struct ub_scsi_cmd *scmd)
 
 /*
  * Reset management
- * XXX Move usb_reset_device to khubd. Hogging kevent is not a good thing.
- * XXX Make usb_sync_reset asynchronous.
  */
 
 static void ub_reset_enter(struct ub_dev *sc, int try)
@@ -1633,6 +1631,22 @@ static void ub_reset_task(struct work_struct *work)
 }
 
 /*
+ * XXX Reset brackets are too much hassle to implement, so just stub them
+ * in order to prevent forced unbinding (which deadlocks solid when our
+ * ->disconnect method waits for the reset to complete and this kills keventd).
+ *
+ * XXX Tell Alan to move usb_unlock_device inside of usb_reset_device,
+ * or else the post_reset is invoked, and restats I/O on a locked device.
+ */
+static int ub_pre_reset(struct usb_interface *iface) {
+        return 0;
+}
+
+static int ub_post_reset(struct usb_interface *iface) {
+        return 0;
+}
+
+/*
  * This is called from a process context.
  */
 static void ub_revalidate(struct ub_dev *sc, struct ub_lun *lun)
@@ -2446,6 +2460,8 @@ static struct usb_driver ub_driver = {
         .probe =        ub_probe,
         .disconnect =   ub_disconnect,
         .id_table =     ub_usb_ids,
+        .pre_reset =    ub_pre_reset,
+        .post_reset =   ub_post_reset,
 };
 
 static int __init ub_init(void)
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index b220c686089d..2d19f0cc47f2 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -338,12 +338,18 @@ wait:
 static int xlvbd_init_blk_queue(struct gendisk *gd, u16 sector_size)
 {
         struct request_queue *rq;
+        elevator_t *old_e;
 
         rq = blk_init_queue(do_blkif_request, &blkif_io_lock);
         if (rq == NULL)
                 return -1;
 
-        elevator_init(rq, "noop");
+        old_e = rq->elevator;
+        if (IS_ERR_VALUE(elevator_init(rq, "noop")))
+                printk(KERN_WARNING
+                        "blkfront: Switch elevator failed, use default\n");
+        else
+                elevator_exit(old_e);
 
         /* Hard sector size and max sectors impersonate the equiv. hardware. */
         blk_queue_hardsect_size(rq, sector_size);
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index ecab9e67d47a..29e1dfafb7c6 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -194,7 +194,7 @@ struct ace_device {
         int in_irq;
 
         /* Details of hardware device */
-        unsigned long physaddr;
+        resource_size_t physaddr;
         void __iomem *baseaddr;
         int irq;
         int bus_width;          /* 0 := 8 bit; 1 := 16 bit */
@@ -628,8 +628,8 @@ static void ace_fsm_dostate(struct ace_device *ace)
 
                 /* Okay, it's a data request, set it up for transfer */
                 dev_dbg(ace->dev,
-                        "request: sec=%lx hcnt=%lx, ccnt=%x, dir=%i\n",
-                        req->sector, req->hard_nr_sectors,
+                        "request: sec=%llx hcnt=%lx, ccnt=%x, dir=%i\n",
+                        (unsigned long long) req->sector, req->hard_nr_sectors,
                         req->current_nr_sectors, rq_data_dir(req));
 
                 ace->req = req;
@@ -935,7 +935,8 @@ static int __devinit ace_setup(struct ace_device *ace)
         int rc;
 
         dev_dbg(ace->dev, "ace_setup(ace=0x%p)\n", ace);
-        dev_dbg(ace->dev, "physaddr=0x%lx irq=%i\n", ace->physaddr, ace->irq);
+        dev_dbg(ace->dev, "physaddr=0x%llx irq=%i\n",
+                (unsigned long long)ace->physaddr, ace->irq);
 
         spin_lock_init(&ace->lock);
         init_completion(&ace->id_completion);
@@ -1017,8 +1018,8 @@ static int __devinit ace_setup(struct ace_device *ace)
         /* Print the identification */
         dev_info(ace->dev, "Xilinx SystemACE revision %i.%i.%i\n",
                  (version >> 12) & 0xf, (version >> 8) & 0x0f, version & 0xff);
-        dev_dbg(ace->dev, "physaddr 0x%lx, mapped to 0x%p, irq=%i\n",
-                ace->physaddr, ace->baseaddr, ace->irq);
+        dev_dbg(ace->dev, "physaddr 0x%llx, mapped to 0x%p, irq=%i\n",
+                (unsigned long long) ace->physaddr, ace->baseaddr, ace->irq);
 
         ace->media_change = 1;
         ace_revalidate_disk(ace->gd);
@@ -1035,8 +1036,8 @@ err_alloc_disk:
 err_blk_initq:
         iounmap(ace->baseaddr);
 err_ioremap:
-        dev_info(ace->dev, "xsysace: error initializing device at 0x%lx\n",
-               ace->physaddr);
+        dev_info(ace->dev, "xsysace: error initializing device at 0x%llx\n",
+                 (unsigned long long) ace->physaddr);
         return -ENOMEM;
 }
 
@@ -1059,7 +1060,7 @@ static void __devexit ace_teardown(struct ace_device *ace)
 }
 
 static int __devinit
-ace_alloc(struct device *dev, int id, unsigned long physaddr,
+ace_alloc(struct device *dev, int id, resource_size_t physaddr,
           int irq, int bus_width)
 {
         struct ace_device *ace;
@@ -1119,7 +1120,7 @@ static void __devexit ace_free(struct device *dev)
 
 static int __devinit ace_probe(struct platform_device *dev)
 {
-        unsigned long physaddr = 0;
+        resource_size_t physaddr = 0;
         int bus_width = ACE_BUS_WIDTH_16; /* FIXME: should not be hard coded */
         int id = dev->id;
         int irq = NO_IRQ;
@@ -1165,7 +1166,7 @@ static int __devinit
 ace_of_probe(struct of_device *op, const struct of_device_id *match)
 {
         struct resource res;
-        unsigned long physaddr;
+        resource_size_t physaddr;
         const u32 *id;
         int irq, bus_width, rc;