1 files changed, 26 insertions, 27 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index b1bcb275b596..10b8dedcd18b 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -60,24 +60,24 @@ struct inodes_stat_t {
  */
 
 /* file is open for reading */
-#define FMODE_READ              ((__force fmode_t)1)
+#define FMODE_READ              ((__force fmode_t)0x1)
 /* file is open for writing */
-#define FMODE_WRITE             ((__force fmode_t)2)
+#define FMODE_WRITE             ((__force fmode_t)0x2)
 /* file is seekable */
-#define FMODE_LSEEK             ((__force fmode_t)4)
+#define FMODE_LSEEK             ((__force fmode_t)0x4)
 /* file can be accessed using pread */
-#define FMODE_PREAD             ((__force fmode_t)8)
+#define FMODE_PREAD             ((__force fmode_t)0x8)
 /* file can be accessed using pwrite */
-#define FMODE_PWRITE            ((__force fmode_t)16)
+#define FMODE_PWRITE            ((__force fmode_t)0x10)
 /* File is opened for execution with sys_execve / sys_uselib */
-#define FMODE_EXEC              ((__force fmode_t)32)
+#define FMODE_EXEC              ((__force fmode_t)0x20)
 /* File is opened with O_NDELAY (only set for block devices) */
-#define FMODE_NDELAY            ((__force fmode_t)64)
+#define FMODE_NDELAY            ((__force fmode_t)0x40)
 /* File is opened with O_EXCL (only set for block devices) */
-#define FMODE_EXCL              ((__force fmode_t)128)
+#define FMODE_EXCL              ((__force fmode_t)0x80)
 /* File is opened using open(.., 3, ..) and is writeable only for ioctls
    (specialy hack for floppy.c) */
-#define FMODE_WRITE_IOCTL       ((__force fmode_t)256)
+#define FMODE_WRITE_IOCTL       ((__force fmode_t)0x100)
 
 /*
  * Don't update ctime and mtime.
@@ -85,7 +85,10 @@ struct inodes_stat_t {
  * Currently a special hack for the XFS open_by_handle ioctl, but we'll
  * hopefully graduate it to a proper O_CMTIME flag supported by open(2) soon.
  */
-#define FMODE_NOCMTIME          ((__force fmode_t)2048)
+#define FMODE_NOCMTIME          ((__force fmode_t)0x800)
+
+/* Expect random access pattern */
+#define FMODE_RANDOM            ((__force fmode_t)0x1000)
 
 /*
  * The below are the various read and write types that we support. Some of
@@ -729,6 +732,7 @@ struct inode {
         uid_t                   i_uid;
         gid_t                   i_gid;
         dev_t                   i_rdev;
+        unsigned int            i_blkbits;
         u64                     i_version;
         loff_t                  i_size;
 #ifdef __NEED_I_SIZE_ORDERED
@@ -738,7 +742,6 @@ struct inode {
         struct timespec         i_mtime;
         struct timespec         i_ctime;
         blkcnt_t                i_blocks;
-        unsigned int            i_blkbits;
         unsigned short          i_bytes;
         umode_t                 i_mode;
         spinlock_t              i_lock; /* i_blocks, i_bytes, maybe i_size */
@@ -1305,6 +1308,8 @@ extern int send_sigurg(struct fown_struct *fown);
 #define MNT_FORCE       0x00000001      /* Attempt to forcibily umount */
 #define MNT_DETACH      0x00000002      /* Just detach from the tree */
 #define MNT_EXPIRE      0x00000004      /* Mark for expiry */
+#define UMOUNT_NOFOLLOW 0x00000008      /* Don't follow symlink on umount */
+#define UMOUNT_UNUSED   0x80000000      /* Flag guaranteed to be unused */
 
 extern struct list_head super_blocks;
 extern spinlock_t sb_lock;
@@ -1314,9 +1319,9 @@ extern spinlock_t sb_lock;
 struct super_block {
         struct list_head        s_list;         /* Keep this first */
         dev_t                   s_dev;          /* search index; _not_ kdev_t */
-        unsigned long           s_blocksize;
-        unsigned char           s_blocksize_bits;
         unsigned char           s_dirt;
+        unsigned char           s_blocksize_bits;
+        unsigned long           s_blocksize;
         loff_t                  s_maxbytes;     /* Max file size */
         struct file_system_type *s_type;
         const struct super_operations   *s_op;
@@ -1357,16 +1362,16 @@ struct super_block {
         void                    *s_fs_info;     /* Filesystem private info */
         fmode_t                 s_mode;
 
+        /* Granularity of c/m/atime in ns.
+           Cannot be worse than a second */
+        u32                s_time_gran;
+
         /*
          * The next field is for VFS *only*. No filesystems have any business
          * even looking at it. You had been warned.
          */
         struct mutex s_vfs_rename_mutex;        /* Kludge */
 
-        /* Granularity of c/m/atime in ns.
-           Cannot be worse than a second */
-        u32                s_time_gran;
-
         /*
          * Filesystem subtype.  If non-empty the filesystem type field
          * in /proc/mounts will be "type.subtype"
@@ -1555,7 +1560,7 @@ struct super_operations {
         void (*destroy_inode)(struct inode *);
 
         void (*dirty_inode) (struct inode *);
-        int (*write_inode) (struct inode *, int);
+        int (*write_inode) (struct inode *, struct writeback_control *wbc);
         void (*drop_inode) (struct inode *);
         void (*delete_inode) (struct inode *);
         void (*put_super) (struct super_block *);
@@ -1794,7 +1799,8 @@ extern int may_umount(struct vfsmount *);
 extern long do_mount(char *, char *, char *, unsigned long, void *);
 extern struct vfsmount *collect_mounts(struct path *);
 extern void drop_collected_mounts(struct vfsmount *);
-
+extern int iterate_mounts(int (*)(struct vfsmount *, void *), void *,
+                          struct vfsmount *);
 extern int vfs_statfs(struct dentry *, struct kstatfs *);
 
 extern int current_umask(void);
@@ -2058,12 +2064,6 @@ extern int invalidate_inodes(struct super_block *);
 unsigned long invalidate_mapping_pages(struct address_space *mapping,
                                         pgoff_t start, pgoff_t end);
 
-static inline unsigned long __deprecated
-invalidate_inode_pages(struct address_space *mapping)
-{
-        return invalidate_mapping_pages(mapping, 0, ~0UL);
-}
-
 static inline void invalidate_remote_inode(struct inode *inode)
 {
         if (S_ISREG(inode->i_mode) || S_ISDIR(inode->i_mode) ||
@@ -2132,6 +2132,7 @@ extern struct file * open_exec(const char *);
  
 /* fs/dcache.c -- generic fs support functions */
 extern int is_subdir(struct dentry *, struct dentry *);
+extern int path_is_under(struct path *, struct path *);
 extern ino_t find_inode_number(struct dentry *, struct qstr *);
 
 #include <linux/err.h>
@@ -2340,8 +2341,6 @@ extern int simple_rename(struct inode *, struct dentry *, struct inode *, struct
 extern int simple_sync_file(struct file *, struct dentry *, int);
 extern int simple_empty(struct dentry *);
 extern int simple_readpage(struct file *file, struct page *page);
-extern int simple_prepare_write(struct file *file, struct page *page,
-                        unsigned offset, unsigned to);
 extern int simple_write_begin(struct file *file, struct address_space *mapping,
                         loff_t pos, unsigned len, unsigned flags,
                         struct page **pagep, void **fsdata);