Merge branch 'linus' into sched/core

[mv-sheeva.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index ebb1cd5bc2419c7fad8b421178021d52ac005fea..10b8dedcd18b82a82491129a2baaef0f18ca4ce1 100644 (file)
--- 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
@@ -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);