Merge branch 'server-cluster-locking-api' of git://linux-nfs.org/~bfields/linux

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

diff --git a/include/linux/fs.h b/include/linux/fs.h
index b22991d..bc6d27c 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -696,12 +696,13 @@ struct file_ra_state {
        unsigned long size;
        unsigned long flags;            /* ra flags RA_FLAG_xxx*/
        unsigned long cache_hit;        /* cache hit count*/
-       unsigned long prev_page;        /* Cache last read() position */
+       unsigned long prev_index;       /* Cache last read() position */
        unsigned long ahead_start;      /* Ahead window */
        unsigned long ahead_size;
        unsigned long ra_pages;         /* Maximum readahead window */
        unsigned long mmap_hit;         /* Cache hit stat for mmap accesses */
        unsigned long mmap_miss;        /* Cache miss stat for mmap accesses */
+       unsigned int prev_offset;       /* Offset where last read() ended in a page */
 };
 #define RA_FLAG_MISS 0x01      /* a cache miss occured against this file */
 #define RA_FLAG_INCACHE 0x02   /* file is already in cache */
@@ -844,8 +845,13 @@ extern int fcntl_setlease(unsigned int fd, struct file *filp, long arg);
 extern int fcntl_getlease(struct file *filp);
 
 /* fs/sync.c */
-extern int do_sync_file_range(struct file *file, loff_t offset, loff_t endbyte,
-                       unsigned int flags);
+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 *);
@@ -1414,7 +1420,7 @@ extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
 extern int vfs_statfs(struct dentry *, struct kstatfs *);
 
 /* /sys/fs */
-extern struct subsystem fs_subsys;
+extern struct kset fs_subsys;
 
 #define FLOCK_VERIFY_READ  1
 #define FLOCK_VERIFY_WRITE 2