diff --git a/[refs] b/[refs]
index 63077f4b835f..1b223bf5bacc 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a09a0a705dd6c80bc96b5e6f18dc103d4e1a7d63
+refs/heads/master: d340d2475c6e394013325f83f499594628a9e558
diff --git a/trunk/fs/btrfs/locking.h b/trunk/fs/btrfs/locking.h
index ca52681e5f40..b81e0e9a4894 100644
--- a/trunk/fs/btrfs/locking.h
+++ b/trunk/fs/btrfs/locking.h
@@ -26,7 +26,6 @@
 
 void btrfs_tree_lock(struct extent_buffer *eb);
 void btrfs_tree_unlock(struct extent_buffer *eb);
-int btrfs_try_spin_lock(struct extent_buffer *eb);
 
 void btrfs_tree_read_lock(struct extent_buffer *eb);
 void btrfs_tree_read_unlock(struct extent_buffer *eb);