btrfs: skip LOOP_NO_EMPTY_SIZE if not clustered allocation
LOOP_NO_EMPTY_SIZE is solely dedicated for clustered allocation. So, we
can skip this stage and give up the allocation.
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index bcffb96..1d895df6 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -3835,6 +3835,9 @@
}
if (ffe_ctl->loop == LOOP_NO_EMPTY_SIZE) {
+ if (ffe_ctl->policy != BTRFS_EXTENT_ALLOC_CLUSTERED)
+ return -ENOSPC;
+
/*
* Don't loop again if we already have no empty_size and
* no empty_cluster.