X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=fs%2Fbtrfs%2Flocking.h;h=c44a9d5f5362b0dcb1c525eca16b57aead8a58ae;hb=75542253127d4e4003a5542189c53ff85e4b27b2;hp=b81e0e9a48941891681eef385d10d071f6cbe51b;hpb=8cbc95ee748741939222c3d38584a40c92bedcdd;p=linux-2.6-block.git

diff --git a/fs/btrfs/locking.h b/fs/btrfs/locking.h
index b81e0e9a4894..c44a9d5f5362 100644
--- a/fs/btrfs/locking.h
+++ b/fs/btrfs/locking.h
@@ -35,6 +35,8 @@ void btrfs_clear_lock_blocking_rw(struct extent_buffer *eb, int rw);
 void btrfs_assert_tree_locked(struct extent_buffer *eb);
 int btrfs_try_tree_read_lock(struct extent_buffer *eb);
 int btrfs_try_tree_write_lock(struct extent_buffer *eb);
+int btrfs_tree_read_lock_atomic(struct extent_buffer *eb);
+
 
 static inline void btrfs_tree_unlock_rw(struct extent_buffer *eb, int rw)
 {