12 files changed, 64 insertions, 455 deletions

diff --git a/include/asm-i386/processor.h b/include/asm-i386/processor.h
index a52d65440429..359f10b54f59 100644
--- a/include/asm-i386/processor.h
+++ b/include/asm-i386/processor.h
@@ -743,6 +743,7 @@ extern void enable_sep_cpu(void);
 extern int sysenter_setup(void);
 
 extern int init_gdt(int cpu, struct task_struct *idle);
+extern void cpu_set_gdt(int);
 extern void secondary_cpu_init(void);
 
 #endif /* __ASM_I386_PROCESSOR_H */
diff --git a/include/asm-ia64/checksum.h b/include/asm-ia64/checksum.h
index 2b78582cbd61..97af155057e4 100644
--- a/include/asm-ia64/checksum.h
+++ b/include/asm-ia64/checksum.h
@@ -72,8 +72,8 @@ static inline __sum16 csum_fold(__wsum csum)
 
 #define _HAVE_ARCH_IPV6_CSUM    1
 struct in6_addr;
-extern unsigned short int csum_ipv6_magic(struct in6_addr *saddr,
-        struct in6_addr *daddr, __u32 len, unsigned short proto,
-        unsigned int csum);
+extern __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
+        const struct in6_addr *daddr, __u32 len, unsigned short proto,
+        __wsum csum);
 
 #endif /* _ASM_IA64_CHECKSUM_H */
diff --git a/include/asm-mips/irqflags.h b/include/asm-mips/irqflags.h
index 46bf5de5ac72..af3b07dfad4b 100644
--- a/include/asm-mips/irqflags.h
+++ b/include/asm-mips/irqflags.h
@@ -15,6 +15,27 @@
 
 #include <asm/hazards.h>
 
+/*
+ * CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY does prompt replay of deferred IPIs,
+ * at the cost of branch and call overhead on each local_irq_restore()
+ */
+
+#ifdef CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY
+
+extern void smtc_ipi_replay(void);
+
+#define irq_restore_epilog(flags)                               \
+do {                                                            \
+        if (!(flags & 0x0400))                                  \
+                smtc_ipi_replay();                              \
+} while (0)
+
+#else
+
+#define irq_restore_epilog(ignore) do { } while (0)
+
+#endif /* CONFIG_MIPS_MT_SMTC_INSTANT_REPLAY */
+
 __asm__ (
         "       .macro  raw_local_irq_enable                            \n"
         "       .set    push                                            \n"
@@ -193,6 +214,7 @@ do {									\
                 : "=r" (__tmp1)                                         \
                 : "0" (flags)                                           \
                 : "memory");                                            \
+        irq_restore_epilog(flags);                                      \
 } while(0)
 
 static inline int raw_irqs_disabled_flags(unsigned long flags)
diff --git a/include/linux/Kbuild b/include/linux/Kbuild
index 862e483cce8a..8c634f9df39f 100644
--- a/include/linux/Kbuild
+++ b/include/linux/Kbuild
@@ -129,7 +129,6 @@ header-y += posix_types.h
 header-y += ppdev.h
 header-y += prctl.h
 header-y += ps2esdi.h
-header-y += qic117.h
 header-y += qnxtypes.h
 header-y += quotaio_v1.h
 header-y += quotaio_v2.h
diff --git a/include/linux/mtd/blktrans.h b/include/linux/mtd/blktrans.h
index 72fc68c5ee96..9a6e2f953cba 100644
--- a/include/linux/mtd/blktrans.h
+++ b/include/linux/mtd/blktrans.h
@@ -24,7 +24,6 @@ struct mtd_blktrans_dev {
         struct mtd_info *mtd;
         struct mutex lock;
         int devnum;
-        int blksize;
         unsigned long size;
         int readonly;
         void *blkcore_priv; /* gendisk in 2.5, devfs_handle in 2.4 */
@@ -36,6 +35,8 @@ struct mtd_blktrans_ops {
         char *name;
         int major;
         int part_bits;
+        int blksize;
+        int blkshift;
 
         /* Access functions */
         int (*readsect)(struct mtd_blktrans_dev *dev,
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 94a443d45258..d644e57703ad 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -23,7 +23,7 @@
 
 #define MTD_CHAR_MAJOR 90
 #define MTD_BLOCK_MAJOR 31
-#define MAX_MTD_DEVICES 16
+#define MAX_MTD_DEVICES 32
 
 #define MTD_ERASE_PENDING       0x01
 #define MTD_ERASING             0x02
@@ -75,15 +75,12 @@ typedef enum {
  * struct mtd_oob_ops - oob operation operands
  * @mode:       operation mode
  *
- * @len:        number of bytes to write/read. When a data buffer is given
- *              (datbuf != NULL) this is the number of data bytes. When
- *              no data buffer is available this is the number of oob bytes.
+ * @len:        number of data bytes to write/read
  *
- * @retlen:     number of bytes written/read. When a data buffer is given
- *              (datbuf != NULL) this is the number of data bytes. When
- *              no data buffer is available this is the number of oob bytes.
+ * @retlen:     number of data bytes written/read
  *
- * @ooblen:     number of oob bytes per page
+ * @ooblen:     number of oob bytes to write/read
+ * @oobretlen:  number of oob bytes written/read
  * @ooboffs:    offset of oob data in the oob area (only relevant when
  *              mode = MTD_OOB_PLACE)
  * @datbuf:     data buffer - if NULL only oob data are read/written
@@ -94,6 +91,7 @@ struct mtd_oob_ops {
         size_t          len;
         size_t          retlen;
         size_t          ooblen;
+        size_t          oobretlen;
         uint32_t        ooboffs;
         uint8_t         *datbuf;
         uint8_t         *oobbuf;
@@ -202,11 +200,20 @@ struct mtd_info {
 
         /* ECC status information */
         struct mtd_ecc_stats ecc_stats;
+        /* Subpage shift (NAND) */
+        int subpage_sft;
 
         void *priv;
 
         struct module *owner;
         int usecount;
+
+        /* If the driver is something smart, like UBI, it may need to maintain
+         * its own reference counting. The below functions are only for driver.
+         * The driver may register its callbacks. These callbacks are not
+         * supposed to be called by MTD users */
+        int (*get_device) (struct mtd_info *mtd);
+        void (*put_device) (struct mtd_info *mtd);
 };
 
 
@@ -216,6 +223,7 @@ extern int add_mtd_device(struct mtd_info *mtd);
 extern int del_mtd_device (struct mtd_info *mtd);
 
 extern struct mtd_info *get_mtd_device(struct mtd_info *mtd, int num);
+extern struct mtd_info *get_mtd_device_nm(const char *name);
 
 extern void put_mtd_device(struct mtd_info *mtd);
 
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 8b3ef4187219..2071b02f0526 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -166,6 +166,9 @@ typedef enum {
  * for all large page devices, as they do not support
  * autoincrement.*/
 #define NAND_NO_READRDY         0x00000100
+/* Chip does not allow subpage writes */
+#define NAND_NO_SUBPAGE_WRITE   0x00000200
+
 
 /* Options valid for Samsung large page devices */
 #define NAND_SAMSUNG_LP_OPTIONS \
@@ -193,6 +196,9 @@ typedef enum {
 /* Nand scan has allocated controller struct */
 #define NAND_CONTROLLER_ALLOC   0x80000000
 
+/* Cell info constants */
+#define NAND_CI_CHIPNR_MSK      0x03
+#define NAND_CI_CELLTYPE_MSK    0x0C
 
 /*
  * nand_state_t - chip states
@@ -286,9 +292,7 @@ struct nand_ecc_ctrl {
  * struct nand_buffers - buffer structure for read/write
  * @ecccalc:    buffer for calculated ecc
  * @ecccode:    buffer for ecc read from flash
- * @oobwbuf:    buffer for write oob data
  * @databuf:    buffer for data - dynamically sized
- * @oobrbuf:    buffer to read oob data
  *
  * Do not change the order of buffers. databuf and oobrbuf must be in
  * consecutive order.
@@ -296,9 +300,7 @@ struct nand_ecc_ctrl {
 struct nand_buffers {
         uint8_t ecccalc[NAND_MAX_OOBSIZE];
         uint8_t ecccode[NAND_MAX_OOBSIZE];
-        uint8_t oobwbuf[NAND_MAX_OOBSIZE];
-        uint8_t databuf[NAND_MAX_PAGESIZE];
-        uint8_t oobrbuf[NAND_MAX_OOBSIZE];
+        uint8_t databuf[NAND_MAX_PAGESIZE + NAND_MAX_OOBSIZE];
 };
 
 /**
@@ -345,6 +347,7 @@ struct nand_buffers {
  * @chipsize:           [INTERN] the size of one chip for multichip arrays
  * @pagemask:           [INTERN] page number mask = number of (pages / chip) - 1
  * @pagebuf:            [INTERN] holds the pagenumber which is currently in data_buf
+ * @subpagesize:        [INTERN] holds the subpagesize
  * @ecclayout:          [REPLACEABLE] the default ecc placement scheme
  * @bbt:                [INTERN] bad block table pointer
  * @bbt_td:             [REPLACEABLE] bad block table descriptor for flash lookup
@@ -392,6 +395,8 @@ struct nand_chip {
         unsigned long   chipsize;
         int             pagemask;
         int             pagebuf;
+        int             subpagesize;
+        uint8_t         cellinfo;
         int             badblockpos;
 
         nand_state_t    state;
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 6f045b586e76..f775a7af3890 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -13,6 +13,7 @@
 #define __LINUX_MTD_ONENAND_H
 
 #include <linux/spinlock.h>
+#include <linux/completion.h>
 #include <linux/mtd/onenand_regs.h>
 #include <linux/mtd/bbm.h>
 
@@ -33,7 +34,6 @@ typedef enum {
         FL_WRITING,
         FL_ERASING,
         FL_SYNCING,
-        FL_UNLOCKING,
         FL_LOCKING,
         FL_RESETING,
         FL_OTPING,
@@ -88,6 +88,7 @@ struct onenand_bufferram {
  *                      operation is in progress
  * @state:              [INTERN] the current state of the OneNAND device
  * @page_buf:           data buffer
+ * @subpagesize:        [INTERN] holds the subpagesize
  * @ecclayout:          [REPLACEABLE] the default ecc placement scheme
  * @bbm:                [REPLACEABLE] pointer to Bad Block Management
  * @priv:               [OPTIONAL] pointer to private chip date
@@ -120,11 +121,15 @@ struct onenand_chip {
         int (*block_markbad)(struct mtd_info *mtd, loff_t ofs);
         int (*scan_bbt)(struct mtd_info *mtd);
 
+        struct completion       complete;
+        int                     irq;
+
         spinlock_t              chip_lock;
         wait_queue_head_t       wq;
         onenand_state_t         state;
         unsigned char           *page_buf;
 
+        int                     subpagesize;
         struct nand_ecclayout   *ecclayout;
 
         void                    *bbm;
@@ -138,6 +143,7 @@ struct onenand_chip {
 #define ONENAND_CURRENT_BUFFERRAM(this)         (this->bufferram_index)
 #define ONENAND_NEXT_BUFFERRAM(this)            (this->bufferram_index ^ 1)
 #define ONENAND_SET_NEXT_BUFFERRAM(this)        (this->bufferram_index ^= 1)
+#define ONENAND_SET_PREV_BUFFERRAM(this)        (this->bufferram_index ^= 1)
 
 #define ONENAND_GET_SYS_CFG1(this)                                      \
         (this->read_word(this->base + ONENAND_REG_SYS_CFG1))
diff --git a/include/linux/mtd/onenand_regs.h b/include/linux/mtd/onenand_regs.h
index 9e409fe6ded6..e31c8f5d4271 100644
--- a/include/linux/mtd/onenand_regs.h
+++ b/include/linux/mtd/onenand_regs.h
@@ -179,6 +179,7 @@
  * ECC Status Reigser FF00h (R)
  */
 #define ONENAND_ECC_1BIT                (1 << 0)
+#define ONENAND_ECC_1BIT_ALL            (0x5555)
 #define ONENAND_ECC_2BIT                (1 << 1)
 #define ONENAND_ECC_2BIT_ALL            (0xAAAA)
 
diff --git a/include/linux/mtio.h b/include/linux/mtio.h
index 8c66151821e3..6f8d2d45a8fb 100644
--- a/include/linux/mtio.h
+++ b/include/linux/mtio.h
@@ -10,7 +10,6 @@
 
 #include <linux/types.h>
 #include <linux/ioctl.h>
-#include <linux/qic117.h>
 
 /*
  * Structures and definitions for mag tape io control commands
@@ -116,32 +115,6 @@ struct	mtget {
 #define MT_ISFTAPE_UNKNOWN      0x800000 /* obsolete */
 #define MT_ISFTAPE_FLAG 0x800000
 
-struct mt_tape_info {
-        long t_type;            /* device type id (mt_type) */
-        char *t_name;           /* descriptive name */
-};
-
-#define MT_TAPE_INFO    { \
-        {MT_ISUNKNOWN,          "Unknown type of tape device"}, \
-        {MT_ISQIC02,            "Generic QIC-02 tape streamer"}, \
-        {MT_ISWT5150,           "Wangtek 5150, QIC-150"}, \
-        {MT_ISARCHIVE_5945L2,   "Archive 5945L-2"}, \
-        {MT_ISCMSJ500,          "CMS Jumbo 500"}, \
-        {MT_ISTDC3610,          "Tandberg TDC 3610, QIC-24"}, \
-        {MT_ISARCHIVE_VP60I,    "Archive VP60i, QIC-02"}, \
-        {MT_ISARCHIVE_2150L,    "Archive Viper 2150L"}, \
-        {MT_ISARCHIVE_2060L,    "Archive Viper 2060L"}, \
-        {MT_ISARCHIVESC499,     "Archive SC-499 QIC-36 controller"}, \
-        {MT_ISQIC02_ALL_FEATURES, "Generic QIC-02 tape, all features"}, \
-        {MT_ISWT5099EEN24,      "Wangtek 5099-een24, 60MB"}, \
-        {MT_ISTEAC_MT2ST,       "Teac MT-2ST 155mb data cassette drive"}, \
-        {MT_ISEVEREX_FT40A,     "Everex FT40A, QIC-40"}, \
-        {MT_ISONSTREAM_SC,      "OnStream SC-, DI-, DP-, or USB tape drive"}, \
-        {MT_ISSCSI1,            "Generic SCSI-1 tape"}, \
-        {MT_ISSCSI2,            "Generic SCSI-2 tape"}, \
-        {0, NULL} \
-}
-
 
 /* structure for MTIOCPOS - mag tape get position command */
 
@@ -150,130 +123,11 @@ struct	mtpos {
 };
 
 
-/*  structure for MTIOCVOLINFO, query information about the volume
- *  currently positioned at (zftape)
- */
-struct mtvolinfo {
-        unsigned int mt_volno;   /* vol-number */
-        unsigned int mt_blksz;   /* blocksize used when recording */
-        unsigned int mt_rawsize; /* raw tape space consumed, in kb */
-        unsigned int mt_size;    /* volume size after decompression, in kb */
-        unsigned int mt_cmpr:1;  /* this volume has been compressed */
-};
-
-/* raw access to a floppy drive, read and write an arbitrary segment.
- * For ftape/zftape to support formatting etc.
- */
-#define MT_FT_RD_SINGLE  0
-#define MT_FT_RD_AHEAD   1
-#define MT_FT_WR_ASYNC   0 /* start tape only when all buffers are full     */
-#define MT_FT_WR_MULTI   1 /* start tape, continue until buffers are empty  */
-#define MT_FT_WR_SINGLE  2 /* write a single segment and stop afterwards    */
-#define MT_FT_WR_DELETE  3 /* write deleted data marks, one segment at time */
-
-struct mtftseg
-{            
-        unsigned mt_segno;   /* the segment to read or write */
-        unsigned mt_mode;    /* modes for read/write (sync/async etc.) */
-        int      mt_result;  /* result of r/w request, not of the ioctl */
-        void    __user *mt_data;    /* User space buffer: must be 29kb */
-};
-
-/* get tape capacity (ftape/zftape)
- */
-struct mttapesize {
-        unsigned long mt_capacity; /* entire, uncompressed capacity 
-                                    * of a cartridge
-                                    */
-        unsigned long mt_used;     /* what has been used so far, raw 
-                                    * uncompressed amount
-                                    */
-};
-
-/*  possible values of the ftfmt_op field
- */
-#define FTFMT_SET_PARMS         1 /* set software parms */
-#define FTFMT_GET_PARMS         2 /* get software parms */
-#define FTFMT_FORMAT_TRACK      3 /* start formatting a tape track   */
-#define FTFMT_STATUS            4 /* monitor formatting a tape track */
-#define FTFMT_VERIFY            5 /* verify the given segment        */
-
-struct ftfmtparms {
-        unsigned char  ft_qicstd;   /* QIC-40/QIC-80/QIC-3010/QIC-3020 */
-        unsigned char  ft_fmtcode;  /* Refer to the QIC specs */
-        unsigned char  ft_fhm;      /* floppy head max */
-        unsigned char  ft_ftm;      /* floppy track max */
-        unsigned short ft_spt;      /* segments per track */
-        unsigned short ft_tpc;      /* tracks per cartridge */
-};
-
-struct ftfmttrack {
-        unsigned int  ft_track;   /* track to format */
-        unsigned char ft_gap3;    /* size of gap3, for FORMAT_TRK */
-};
-
-struct ftfmtstatus {
-        unsigned int  ft_segment;  /* segment currently being formatted */
-};
-
-struct ftfmtverify {
-        unsigned int  ft_segment;   /* segment to verify */
-        unsigned long ft_bsm;       /* bsm as result of VERIFY cmd */
-};
-
-struct mtftformat {
-        unsigned int fmt_op;      /* operation to perform */
-        union fmt_arg {
-                struct ftfmtparms  fmt_parms;  /* format parameters */
-                struct ftfmttrack  fmt_track;  /* ctrl while formatting */
-                struct ftfmtstatus fmt_status;
-                struct ftfmtverify fmt_verify; /* for verifying */ 
-        } fmt_arg;
-};
-
-struct mtftcmd {
-        unsigned int ft_wait_before; /* timeout to wait for drive to get ready 
-                                      * before command is sent. Milliseconds
-                                      */
-        qic117_cmd_t ft_cmd;         /* command to send */
-        unsigned char ft_parm_cnt;   /* zero: no parm is sent. */
-        unsigned char ft_parms[3];   /* parameter(s) to send to
-                                      * the drive. The parms are nibbles
-                                      * driver sends cmd + 2 step pulses */
-        unsigned int ft_result_bits; /* if non zero, number of bits
-                                      * returned by the tape drive
-                                      */
-        unsigned int ft_result;      /* the result returned by the tape drive*/
-        unsigned int ft_wait_after;  /* timeout to wait for drive to get ready
-                                      * after command is sent. 0: don't wait */
-        int ft_status;               /* status returned by ready wait
-                                      * undefined if timeout was 0.
-                                      */
-        int ft_error;                /* error code if error status was set by 
-                                      * command
-                                      */
-};
-
 /* mag tape io control commands */
 #define MTIOCTOP        _IOW('m', 1, struct mtop)       /* do a mag tape op */
 #define MTIOCGET        _IOR('m', 2, struct mtget)      /* get tape status */
 #define MTIOCPOS        _IOR('m', 3, struct mtpos)      /* get tape position */
 
-/* The next two are used by the QIC-02 driver for runtime reconfiguration.
- * See tpqic02.h for struct mtconfiginfo.
- */
-#define MTIOCGETCONFIG  _IOR('m', 4, struct mtconfiginfo) /* get tape config */
-#define MTIOCSETCONFIG  _IOW('m', 5, struct mtconfiginfo) /* set tape config */
-
-/* the next six are used by the floppy ftape drivers and its frontends
- * sorry, but MTIOCTOP commands are write only.
- */
-#define MTIOCRDFTSEG    _IOWR('m', 6, struct mtftseg)  /* read a segment */
-#define MTIOCWRFTSEG    _IOWR('m', 7, struct mtftseg)   /* write a segment */
-#define MTIOCVOLINFO    _IOR('m',  8, struct mtvolinfo) /* info about volume */
-#define MTIOCGETSIZE    _IOR('m',  9, struct mttapesize)/* get cartridge size*/
-#define MTIOCFTFORMAT   _IOWR('m', 10, struct mtftformat) /* format ftape */
-#define MTIOCFTCMD      _IOWR('m', 11, struct mtftcmd) /* send QIC-117 cmd */
 
 /* Generic Mag Tape (device independent) status macros for examining
  * mt_gstat -- HP-UX compatible.
diff --git a/include/linux/qic117.h b/include/linux/qic117.h
deleted file mode 100644
index 07b537e5d359..000000000000
--- a/include/linux/qic117.h
+++ /dev/null
@@ -1,290 +0,0 @@
-#ifndef _QIC117_H
-#define _QIC117_H
-
-/*
- *      Copyright (C) 1993-1996 Bas Laarhoven,
- *                (C) 1997      Claus-Justus Heine.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; see the file COPYING.  If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
-
- *
- * $Source: /homes/cvs/ftape-stacked/include/linux/qic117.h,v $
- * $Revision: 1.2 $
- * $Date: 1997/10/05 19:19:32 $
- *
- *      This file contains QIC-117 spec. related definitions for the
- *      QIC-40/80/3010/3020 floppy-tape driver "ftape" for Linux.
- *
- *      These data were taken from the Quarter-Inch Cartridge
- *      Drive Standards, Inc. document titled:
- *      `Common Command Set Interface Specification for Flexible
- *       Disk Controller Based Minicartridge Tape Drives'
- *       document QIC-117 Revision J, 28 Aug 96.
- *      For more information, contact:
- *       Quarter-Inch Cartridge Drive Standards, Inc.
- *       311 East Carrillo Street
- *       Santa Barbara, California 93101
- *       Telephone (805) 963-3853
- *       Fax       (805) 962-1541
- *       WWW       http://www.qic.org
- *
- *      Current QIC standard revisions (of interest) are:
- *       QIC-40-MC,   Rev. M,  2 Sep 92.
- *       QIC-80-MC,   Rev. N, 20 Mar 96.
- *       QIC-80-MC,   Rev. K, 15 Dec 94.
- *       QIC-113,     Rev. G, 15 Jun 95.
- *       QIC-117,     Rev. J, 28 Aug 96.
- *       QIC-122,     Rev. B,  6 Mar 91.
- *       QIC-130,     Rev. C,  2 Sep 92.
- *       QIC-3010-MC, Rev. F, 14 Jun 95.
- *       QIC-3020-MC, Rev. G, 31 Aug 95.
- *       QIC-CRF3,    Rev. B, 15 Jun 95.
- * */
-
-/*
- *      QIC-117 common command set rev. J.
- *      These commands are sent to the tape unit
- *      as number of pulses over the step line.
- */
-
-typedef enum {
-        QIC_NO_COMMAND                  = 0,
-        QIC_RESET                       = 1,
-        QIC_REPORT_NEXT_BIT             = 2,
-        QIC_PAUSE                       = 3,
-        QIC_MICRO_STEP_PAUSE            = 4,
-        QIC_ALTERNATE_TIMEOUT           = 5,
-        QIC_REPORT_DRIVE_STATUS         = 6,
-        QIC_REPORT_ERROR_CODE           = 7,
-        QIC_REPORT_DRIVE_CONFIGURATION  = 8,
-        QIC_REPORT_ROM_VERSION          = 9,
-        QIC_LOGICAL_FORWARD             = 10,
-        QIC_PHYSICAL_REVERSE            = 11,
-        QIC_PHYSICAL_FORWARD            = 12,
-        QIC_SEEK_HEAD_TO_TRACK          = 13,
-        QIC_SEEK_LOAD_POINT             = 14,
-        QIC_ENTER_FORMAT_MODE           = 15,
-        QIC_WRITE_REFERENCE_BURST       = 16,
-        QIC_ENTER_VERIFY_MODE           = 17,
-        QIC_STOP_TAPE                   = 18,
-/* commands 19-20: reserved */
-        QIC_MICRO_STEP_HEAD_UP          = 21,
-        QIC_MICRO_STEP_HEAD_DOWN        = 22,
-        QIC_SOFT_SELECT                 = 23,
-        QIC_SOFT_DESELECT               = 24,
-        QIC_SKIP_REVERSE                = 25,
-        QIC_SKIP_FORWARD                = 26,
-        QIC_SELECT_RATE                 = 27,
-/* command 27, in ccs2: Select Rate or Format */
-        QIC_ENTER_DIAGNOSTIC_1          = 28,
-        QIC_ENTER_DIAGNOSTIC_2          = 29,
-        QIC_ENTER_PRIMARY_MODE          = 30,
-/* command 31: vendor unique */
-        QIC_REPORT_VENDOR_ID            = 32,
-        QIC_REPORT_TAPE_STATUS          = 33,
-        QIC_SKIP_EXTENDED_REVERSE       = 34,
-        QIC_SKIP_EXTENDED_FORWARD       = 35,
-        QIC_CALIBRATE_TAPE_LENGTH       = 36,
-        QIC_REPORT_FORMAT_SEGMENTS      = 37,
-        QIC_SET_FORMAT_SEGMENTS         = 38,
-/* commands 39-45: reserved */
-        QIC_PHANTOM_SELECT              = 46,
-        QIC_PHANTOM_DESELECT            = 47
-} qic117_cmd_t;
-
-typedef enum {
-        discretional = 0, required, ccs1, ccs2
-} qic_compatibility;
-
-typedef enum {
-        unused, mode, motion, report
-} command_types;
-
-struct qic117_command_table {
-        char *name;
-        __u8 mask;
-        __u8 state;
-        __u8 cmd_type;
-        __u8 non_intr;
-        __u8 level;
-};
-
-#define QIC117_COMMANDS {\
-/* command                           mask  state cmd_type           */\
-/* |    name                         |     |     |       non_intr   */\
-/* |    |                            |     |     |       |  level   */\
-/* 0*/ {NULL,                        0x00, 0x00, mode,   0, discretional},\
-/* 1*/ {"soft reset",                0x00, 0x00, motion, 1, required},\
-/* 2*/ {"report next bit",           0x00, 0x00, report, 0, required},\
-/* 3*/ {"pause",                     0x36, 0x24, motion, 1, required},\
-/* 4*/ {"micro step pause",          0x36, 0x24, motion, 1, required},\
-/* 5*/ {"alternate command timeout", 0x00, 0x00, mode,   0, required},\
-/* 6*/ {"report drive status",       0x00, 0x00, report, 0, required},\
-/* 7*/ {"report error code",         0x01, 0x01, report, 0, required},\
-/* 8*/ {"report drive configuration",0x00, 0x00, report, 0, required},\
-/* 9*/ {"report rom version",        0x00, 0x00, report, 0, required},\
-/*10*/ {"logical forward",           0x37, 0x25, motion, 0, required},\
-/*11*/ {"physical reverse",          0x17, 0x05, motion, 0, required},\
-/*12*/ {"physical forward",          0x17, 0x05, motion, 0, required},\
-/*13*/ {"seek head to track",        0x37, 0x25, motion, 0, required},\
-/*14*/ {"seek load point",           0x17, 0x05, motion, 1, required},\
-/*15*/ {"enter format mode",         0x1f, 0x05, mode,   0, required},\
-/*16*/ {"write reference burst",     0x1f, 0x05, motion, 1, required},\
-/*17*/ {"enter verify mode",         0x37, 0x25, mode,   0, required},\
-/*18*/ {"stop tape",                 0x00, 0x00, motion, 1, required},\
-/*19*/ {"reserved (19)",             0x00, 0x00, unused, 0, discretional},\
-/*20*/ {"reserved (20)",             0x00, 0x00, unused, 0, discretional},\
-/*21*/ {"micro step head up",        0x02, 0x00, motion, 0, required},\
-/*22*/ {"micro step head down",      0x02, 0x00, motion, 0, required},\
-/*23*/ {"soft select",               0x00, 0x00, mode,   0, discretional},\
-/*24*/ {"soft deselect",             0x00, 0x00, mode,   0, discretional},\
-/*25*/ {"skip segments reverse",     0x36, 0x24, motion, 1, required},\
-/*26*/ {"skip segments forward",     0x36, 0x24, motion, 1, required},\
-/*27*/ {"select rate or format",     0x03, 0x01, mode,   0, required /* [ccs2] */},\
-/*28*/ {"enter diag mode 1",         0x00, 0x00, mode,   0, discretional},\
-/*29*/ {"enter diag mode 2",         0x00, 0x00, mode,   0, discretional},\
-/*30*/ {"enter primary mode",        0x00, 0x00, mode,   0, required},\
-/*31*/ {"vendor unique (31)",        0x00, 0x00, unused, 0, discretional},\
-/*32*/ {"report vendor id",          0x00, 0x00, report, 0, required},\
-/*33*/ {"report tape status",        0x04, 0x04, report, 0, ccs1},\
-/*34*/ {"skip extended reverse",     0x36, 0x24, motion, 1, ccs1},\
-/*35*/ {"skip extended forward",     0x36, 0x24, motion, 1, ccs1},\
-/*36*/ {"calibrate tape length",     0x17, 0x05, motion, 1, ccs2},\
-/*37*/ {"report format segments",    0x17, 0x05, report, 0, ccs2},\
-/*38*/ {"set format segments",       0x17, 0x05, mode,   0, ccs2},\
-/*39*/ {"reserved (39)",             0x00, 0x00, unused, 0, discretional},\
-/*40*/ {"vendor unique (40)",        0x00, 0x00, unused, 0, discretional},\
-/*41*/ {"vendor unique (41)",        0x00, 0x00, unused, 0, discretional},\
-/*42*/ {"vendor unique (42)",        0x00, 0x00, unused, 0, discretional},\
-/*43*/ {"vendor unique (43)",        0x00, 0x00, unused, 0, discretional},\
-/*44*/ {"vendor unique (44)",        0x00, 0x00, unused, 0, discretional},\
-/*45*/ {"vendor unique (45)",        0x00, 0x00, unused, 0, discretional},\
-/*46*/ {"phantom select",            0x00, 0x00, mode,   0, discretional},\
-/*47*/ {"phantom deselect",          0x00, 0x00, mode,   0, discretional},\
-}
-
-/*
- *      Status bits returned by QIC_REPORT_DRIVE_STATUS
- */
-
-#define QIC_STATUS_READY        0x01    /* Drive is ready or idle. */
-#define QIC_STATUS_ERROR        0x02    /* Error detected, must read
-                                           error code to clear this */
-#define QIC_STATUS_CARTRIDGE_PRESENT 0x04       /* Tape is present */
-#define QIC_STATUS_WRITE_PROTECT 0x08   /* Tape is write protected */
-#define QIC_STATUS_NEW_CARTRIDGE 0x10   /* New cartridge inserted, must
-                                           read error status to clear. */
-#define QIC_STATUS_REFERENCED   0x20    /* Cartridge appears to have been
-                                           formatted. */
-#define QIC_STATUS_AT_BOT       0x40    /* Cartridge is at physical
-                                           beginning of tape. */
-#define QIC_STATUS_AT_EOT       0x80    /* Cartridge is at physical end
-                                           of tape. */
-/*
- *      Status bits returned by QIC_REPORT_DRIVE_CONFIGURATION
- */
-
-#define QIC_CONFIG_RATE_MASK    0x18
-#define QIC_CONFIG_RATE_SHIFT   3
-#define QIC_CONFIG_RATE_250     0
-#define QIC_CONFIG_RATE_500     2
-#define QIC_CONFIG_RATE_1000    3
-#define QIC_CONFIG_RATE_2000    1
-#define QIC_CONFIG_RATE_4000    0       /* since QIC-117 Rev. J */
-
-#define QIC_CONFIG_LONG         0x40    /* Extra Length Tape Detected */
-#define QIC_CONFIG_80           0x80    /* QIC-80 detected. */
-
-/*
- *      Status bits returned by QIC_REPORT_TAPE_STATUS
- */
-
-#define QIC_TAPE_STD_MASK       0x0f
-#define QIC_TAPE_QIC40          0x01
-#define QIC_TAPE_QIC80          0x02
-#define QIC_TAPE_QIC3020        0x03
-#define QIC_TAPE_QIC3010        0x04
-
-#define QIC_TAPE_LEN_MASK       0x70
-#define QIC_TAPE_205FT          0x10
-#define QIC_TAPE_307FT          0x20
-#define QIC_TAPE_VARIABLE       0x30
-#define QIC_TAPE_1100FT         0x40
-#define QIC_TAPE_FLEX           0x60
-
-#define QIC_TAPE_WIDE           0x80
-
-/* Define a value (in feet) slightly higher than 
- * the possible maximum tape length.
- */
-#define QIC_TOP_TAPE_LEN        1500
-
-/*
- *      Errors: List of error codes, and their severity.
- */
-
-typedef struct {
-        char *message;          /* Text describing the error. */
-        unsigned int fatal:1;   /* Non-zero if the error is fatal. */
-} ftape_error;
-
-#define QIC117_ERRORS {\
-  /* 0*/ { "No error", 0, },\
-  /* 1*/ { "Command Received while Drive Not Ready", 0, },\
-  /* 2*/ { "Cartridge Not Present or Removed", 1, },\
-  /* 3*/ { "Motor Speed Error (not within 1%)", 1, },\
-  /* 4*/ { "Motor Speed Fault (jammed, or gross speed error", 1, },\
-  /* 5*/ { "Cartridge Write Protected", 1, },\
-  /* 6*/ { "Undefined or Reserved Command Code", 1, },\
-  /* 7*/ { "Illegal Track Address Specified for Seek", 1, },\
-  /* 8*/ { "Illegal Command in Report Subcontext", 0, },\
-  /* 9*/ { "Illegal Entry into a Diagnostic Mode", 1, },\
-  /*10*/ { "Broken Tape Detected (based on hole sensor)", 1, },\
-  /*11*/ { "Warning--Read Gain Setting Error", 1, },\
-  /*12*/ { "Command Received While Error Status Pending (obs)", 1, },\
-  /*13*/ { "Command Received While New Cartridge Pending", 1, },\
-  /*14*/ { "Command Illegal or Undefined in Primary Mode", 1, },\
-  /*15*/ { "Command Illegal or Undefined in Format Mode", 1, },\
-  /*16*/ { "Command Illegal or Undefined in Verify Mode", 1, },\
-  /*17*/ { "Logical Forward Not at Logical BOT or no Format Segments in Format Mode", 1, },\
-  /*18*/ { "Logical EOT Before All Segments generated", 1, },\
-  /*19*/ { "Command Illegal When Cartridge Not Referenced", 1, },\
-  /*20*/ { "Self-Diagnostic Failed (cannot be cleared)", 1, },\
-  /*21*/ { "Warning EEPROM Not Initialized, Defaults Set", 1, },\
-  /*22*/ { "EEPROM Corrupted or Hardware Failure", 1, },\
-  /*23*/ { "Motion Time-out Error", 1, },\
-  /*24*/ { "Data Segment Too Long -- Logical Forward or Pause", 1, },\
-  /*25*/ { "Transmit Overrun (obs)", 1, },\
-  /*26*/ { "Power On Reset Occurred", 0, },\
-  /*27*/ { "Software Reset Occurred", 0, },\
-  /*28*/ { "Diagnostic Mode 1 Error", 1, },\
-  /*29*/ { "Diagnostic Mode 2 Error", 1, },\
-  /*30*/ { "Command Received During Non-Interruptible Process", 1, },\
-  /*31*/ { "Rate or Format Selection Error", 1, },\
-  /*32*/ { "Illegal Command While in High Speed Mode", 1, },\
-  /*33*/ { "Illegal Seek Segment Value", 1, },\
-  /*34*/ { "Invalid Media", 1, },\
-  /*35*/ { "Head Positioning Failure", 1, },\
-  /*36*/ { "Write Reference Burst Failure", 1, },\
-  /*37*/ { "Prom Code Missing", 1, },\
-  /*38*/ { "Invalid Format", 1, },\
-  /*39*/ { "EOT/BOT System Failure", 1, },\
-  /*40*/ { "Prom A Checksum Error", 1, },\
-  /*41*/ { "Drive Wakeup Reset Occurred", 1, },\
-  /*42*/ { "Prom B Checksum Error", 1, },\
-  /*43*/ { "Illegal Entry into Format Mode", 1, },\
-}
-
-#endif                          /* _QIC117_H */
diff --git a/include/linux/reiserfs_fs_i.h b/include/linux/reiserfs_fs_i.h
index 5b3b297aa2c5..ce3663fb0101 100644
--- a/include/linux/reiserfs_fs_i.h
+++ b/include/linux/reiserfs_fs_i.h
@@ -25,6 +25,7 @@ typedef enum {
         i_link_saved_truncate_mask = 0x0020,
         i_has_xattr_dir = 0x0040,
         i_data_log = 0x0080,
+        i_ever_mapped = 0x0100
 } reiserfs_inode_flags;
 
 struct reiserfs_inode_info {
@@ -52,6 +53,7 @@ struct reiserfs_inode_info {
          ** flushed */
         unsigned long i_trans_id;
         struct reiserfs_journal_list *i_jl;
+        struct mutex i_mmap;
 #ifdef CONFIG_REISERFS_FS_POSIX_ACL
         struct posix_acl *i_acl_access;
         struct posix_acl *i_acl_default;