diff --git a/[refs] b/[refs]
index 261b38490f46..4c57ef8804d3 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7ed49f187c82821e35f8869399bcf90822a74a23
+refs/heads/master: 7f70150896ebd1169d9c43484c8c424f755353c4
diff --git a/trunk/fs/btrfs/extent-tree.c b/trunk/fs/btrfs/extent-tree.c
index 99ab5716baad..1f1d3e8dcec9 100644
--- a/trunk/fs/btrfs/extent-tree.c
+++ b/trunk/fs/btrfs/extent-tree.c
@@ -5707,9 +5707,6 @@ use_block_rsv(struct btrfs_trans_handle *trans,
 		ret = reserve_metadata_bytes(trans, root, block_rsv, blocksize,
 					     0);
 		if (!ret) {
-			spin_lock(&block_rsv->lock);
-			block_rsv->size += blocksize;
-			spin_unlock(&block_rsv->lock);
 			return block_rsv;
 		} else if (ret && block_rsv != global_rsv) {
 			ret = block_rsv_use_bytes(global_rsv, blocksize);