diff --git a/[refs] b/[refs]
index cb9ae71be3d8..9526476a800e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a8c9e5769718d47e87cce40c9b84cab421804797
+refs/heads/master: ef3be45722317f8c2fb0e861065df0c3830ff9ac
diff --git a/trunk/fs/btrfs/extent-tree.c b/trunk/fs/btrfs/extent-tree.c
index 5498bdacd4c3..fd65f6bc676c 100644
--- a/trunk/fs/btrfs/extent-tree.c
+++ b/trunk/fs/btrfs/extent-tree.c
@@ -3472,7 +3472,7 @@ static int reserve_metadata_bytes(struct btrfs_root *root,
 	 */
 	if (unused <= space_info->total_bytes) {
 		unused = space_info->total_bytes - unused;
-		if (unused >= num_bytes) {
+		if (unused >= orig_bytes) {
 			space_info->bytes_may_use += orig_bytes;
 			ret = 0;
 		} else {