diff --git a/[refs] b/[refs]
index fdca5198a5ca..ee60b076339e 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 0c4e538bccc106872d31b1514570b4dac95fb7f2
+refs/heads/master: 9b23062840e7c685ef0a0b561285d6e3a3b6811b
diff --git a/trunk/fs/btrfs/free-space-cache.c b/trunk/fs/btrfs/free-space-cache.c
index 61447a51f645..5802b1473c3d 100644
--- a/trunk/fs/btrfs/free-space-cache.c
+++ b/trunk/fs/btrfs/free-space-cache.c
@@ -2251,6 +2251,7 @@ u64 btrfs_alloc_from_cluster(struct btrfs_block_group_cache *block_group,
 						 offset_index);
 				continue;
 			}
+			cluster->window_start += bytes;
 		} else {
 			ret = entry->offset;