Btrfs: cache values for locking extents

[safe/jmp/linux-2.6] / fs / btrfs / extent_io.h

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 88d134d..c8ead2b 100644 (file)
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -143,7 +143,7 @@ int try_release_extent_state(struct extent_map_tree *map,
                             gfp_t mask);
 int lock_extent(struct extent_io_tree *tree, u64 start, u64 end, gfp_t mask);
 int lock_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
-                    int bits, gfp_t mask);
+                    int bits, struct extent_state **cached, gfp_t mask);
 int unlock_extent(struct extent_io_tree *tree, u64 start, u64 end, gfp_t mask);
 int try_lock_extent(struct extent_io_tree *tree, u64 start, u64 end,
                    gfp_t mask);
@@ -161,7 +161,8 @@ int test_range_bit(struct extent_io_tree *tree, u64 start, u64 end,
 int clear_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
                      int bits, gfp_t mask);
 int clear_extent_bit(struct extent_io_tree *tree, u64 start, u64 end,
-                    int bits, int wake, int delete, gfp_t mask);
+                    int bits, int wake, int delete, struct extent_state **cached,
+                    gfp_t mask);
 int set_extent_bits(struct extent_io_tree *tree, u64 start, u64 end,
                    int bits, gfp_t mask);
 int set_extent_uptodate(struct extent_io_tree *tree, u64 start, u64 end,