Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6

[safe/jmp/linux-2.6] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index aa76dae..4079ef9 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
@@ -1277,10 +1280,12 @@ static inline int lock_may_write(struct inode *inode, loff_t start,
 
 
 struct fasync_struct {
-       int     magic;
-       int     fa_fd;
-       struct  fasync_struct   *fa_next; /* singly linked list */
-       struct  file            *fa_file;
+       spinlock_t              fa_lock;
+       int                     magic;
+       int                     fa_fd;
+       struct fasync_struct    *fa_next; /* singly linked list */
+       struct file             *fa_file;
+       struct rcu_head         fa_rcu;
 };
 
 #define FASYNC_MAGIC 0x4601
@@ -1289,8 +1294,6 @@ struct fasync_struct {
 extern int fasync_helper(int, struct file *, int, struct fasync_struct **);
 /* can be called from interrupts */
 extern void kill_fasync(struct fasync_struct **, int, int);
-/* only for net: no internal synchronization */
-extern void __kill_fasync(struct fasync_struct *, int, int);
 
 extern int __f_setown(struct file *filp, struct pid *, enum pid_type, int force);
 extern int f_setown(struct file *filp, unsigned long arg, int force);
@@ -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;
@@ -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>
@@ -2211,6 +2212,7 @@ extern int generic_segment_checks(const struct iovec *iov,
 /* fs/block_dev.c */
 extern ssize_t blkdev_aio_write(struct kiocb *iocb, const struct iovec *iov,
                                unsigned long nr_segs, loff_t pos);
+extern int blkdev_fsync(struct file *filp, struct dentry *dentry, int datasync);
 
 /* fs/splice.c */
 extern ssize_t generic_file_splice_read(struct file *, loff_t *,
@@ -2313,8 +2315,9 @@ extern int vfs_fstatat(int , char __user *, struct kstat *, int);
 extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
                    unsigned long arg);
 extern int __generic_block_fiemap(struct inode *inode,
-                                 struct fiemap_extent_info *fieinfo, u64 start,
-                                 u64 len, get_block_t *get_block);
+                                 struct fiemap_extent_info *fieinfo,
+                                 loff_t start, loff_t len,
+                                 get_block_t *get_block);
 extern int generic_block_fiemap(struct inode *inode,
                                struct fiemap_extent_info *fieinfo, u64 start,
                                u64 len, get_block_t *get_block);
@@ -2359,6 +2362,8 @@ extern void simple_release_fs(struct vfsmount **mount, int *count);
 
 extern ssize_t simple_read_from_buffer(void __user *to, size_t count,
                        loff_t *ppos, const void *from, size_t available);
+extern ssize_t simple_write_to_buffer(void *to, size_t available, loff_t *ppos,
+               const void __user *from, size_t count);
 
 extern int simple_fsync(struct file *, struct dentry *, int);