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-rw-r--r--include/linux/fs.h14
1 files changed, 9 insertions, 5 deletions
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 095a9c9a64fb..bc6d27cecaac 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -696,12 +696,13 @@ struct file_ra_state {
696 unsigned long size; 696 unsigned long size;
697 unsigned long flags; /* ra flags RA_FLAG_xxx*/ 697 unsigned long flags; /* ra flags RA_FLAG_xxx*/
698 unsigned long cache_hit; /* cache hit count*/ 698 unsigned long cache_hit; /* cache hit count*/
699 unsigned long prev_page; /* Cache last read() position */ 699 unsigned long prev_index; /* Cache last read() position */
700 unsigned long ahead_start; /* Ahead window */ 700 unsigned long ahead_start; /* Ahead window */
701 unsigned long ahead_size; 701 unsigned long ahead_size;
702 unsigned long ra_pages; /* Maximum readahead window */ 702 unsigned long ra_pages; /* Maximum readahead window */
703 unsigned long mmap_hit; /* Cache hit stat for mmap accesses */ 703 unsigned long mmap_hit; /* Cache hit stat for mmap accesses */
704 unsigned long mmap_miss; /* Cache miss stat for mmap accesses */ 704 unsigned long mmap_miss; /* Cache miss stat for mmap accesses */
705 unsigned int prev_offset; /* Offset where last read() ended in a page */
705}; 706};
706#define RA_FLAG_MISS 0x01 /* a cache miss occured against this file */ 707#define RA_FLAG_MISS 0x01 /* a cache miss occured against this file */
707#define RA_FLAG_INCACHE 0x02 /* file is already in cache */ 708#define RA_FLAG_INCACHE 0x02 /* file is already in cache */
@@ -785,6 +786,7 @@ struct file_lock_operations {
785struct lock_manager_operations { 786struct lock_manager_operations {
786 int (*fl_compare_owner)(struct file_lock *, struct file_lock *); 787 int (*fl_compare_owner)(struct file_lock *, struct file_lock *);
787 void (*fl_notify)(struct file_lock *); /* unblock callback */ 788 void (*fl_notify)(struct file_lock *); /* unblock callback */
789 int (*fl_grant)(struct file_lock *, struct file_lock *, int);
788 void (*fl_copy_lock)(struct file_lock *, struct file_lock *); 790 void (*fl_copy_lock)(struct file_lock *, struct file_lock *);
789 void (*fl_release_private)(struct file_lock *); 791 void (*fl_release_private)(struct file_lock *);
790 void (*fl_break)(struct file_lock *); 792 void (*fl_break)(struct file_lock *);
@@ -856,11 +858,13 @@ extern void locks_init_lock(struct file_lock *);
856extern void locks_copy_lock(struct file_lock *, struct file_lock *); 858extern void locks_copy_lock(struct file_lock *, struct file_lock *);
857extern void locks_remove_posix(struct file *, fl_owner_t); 859extern void locks_remove_posix(struct file *, fl_owner_t);
858extern void locks_remove_flock(struct file *); 860extern void locks_remove_flock(struct file *);
859extern int posix_test_lock(struct file *, struct file_lock *, struct file_lock *); 861extern int posix_test_lock(struct file *, struct file_lock *);
860extern int posix_lock_file_conf(struct file *, struct file_lock *, struct file_lock *); 862extern int posix_lock_file(struct file *, struct file_lock *, struct file_lock *);
861extern int posix_lock_file(struct file *, struct file_lock *);
862extern int posix_lock_file_wait(struct file *, struct file_lock *); 863extern int posix_lock_file_wait(struct file *, struct file_lock *);
863extern int posix_unblock_lock(struct file *, struct file_lock *); 864extern int posix_unblock_lock(struct file *, struct file_lock *);
865extern int vfs_test_lock(struct file *, struct file_lock *);
866extern int vfs_lock_file(struct file *, unsigned int, struct file_lock *, struct file_lock *);
867extern int vfs_cancel_lock(struct file *filp, struct file_lock *fl);
864extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl); 868extern int flock_lock_file_wait(struct file *filp, struct file_lock *fl);
865extern int __break_lease(struct inode *inode, unsigned int flags); 869extern int __break_lease(struct inode *inode, unsigned int flags);
866extern void lease_get_mtime(struct inode *, struct timespec *time); 870extern void lease_get_mtime(struct inode *, struct timespec *time);
@@ -1416,7 +1420,7 @@ extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
1416extern int vfs_statfs(struct dentry *, struct kstatfs *); 1420extern int vfs_statfs(struct dentry *, struct kstatfs *);
1417 1421
1418/* /sys/fs */ 1422/* /sys/fs */
1419extern struct subsystem fs_subsys; 1423extern struct kset fs_subsys;
1420 1424
1421#define FLOCK_VERIFY_READ 1 1425#define FLOCK_VERIFY_READ 1
1422#define FLOCK_VERIFY_WRITE 2 1426#define FLOCK_VERIFY_WRITE 2