kprobes: kretprobes simplifications

[deliverable/linux.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index bc6d27cecaacac36313f848c8f28ab3ad8e21425..7cf0c54a46a7fff64365b3184ea492d572dac9b0 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -30,6 +30,7 @@
 #define SEEK_SET       0       /* seek relative to beginning of file */
 #define SEEK_CUR       1       /* seek relative to current file position */
 #define SEEK_END       2       /* seek relative to end of file */
+#define SEEK_MAX       SEEK_END
 
 /* And dynamically-tunable limits and defaults: */
 struct files_stat_struct {
@@ -91,6 +92,7 @@ extern int dir_notify_enable;
 /* public flags for file_system_type */
 #define FS_REQUIRES_DEV 1 
 #define FS_BINARY_MOUNTDATA 2
+#define FS_HAS_SUBTYPE 4
 #define FS_REVAL_DOT   16384   /* Check the paths ".", ".." for staleness */
 #define FS_RENAME_DOES_D_MOVE  32768   /* FS will handle d_move()
                                         * during rename() internally.
@@ -847,11 +849,6 @@ extern int fcntl_getlease(struct file *filp);
 /* fs/sync.c */
 extern int do_sync_mapping_range(struct address_space *mapping, loff_t offset,
                        loff_t endbyte, unsigned int flags);
-static inline int do_sync_file_range(struct file *file, loff_t offset,
-                       loff_t endbyte, unsigned int flags)
-{
-       return do_sync_mapping_range(file->f_mapping, offset, endbyte, flags);
-}
 
 /* fs/locks.c */
 extern void locks_init_lock(struct file_lock *);
@@ -960,6 +957,12 @@ struct super_block {
        /* 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"
+        */
+       char *s_subtype;
 };
 
 extern struct timespec current_fs_time(struct super_block *sb);
@@ -1735,6 +1738,8 @@ extern ssize_t generic_file_sendfile(struct file *, loff_t *, size_t, read_actor
 extern void do_generic_mapping_read(struct address_space *mapping,
                                    struct file_ra_state *, struct file *,
                                    loff_t *, read_descriptor_t *, read_actor_t);
+extern int generic_segment_checks(const struct iovec *iov,
+               unsigned long *nr_segs, size_t *count, int access_flags);
 
 /* fs/splice.c */
 extern ssize_t generic_file_splice_read(struct file *, loff_t *,