btrfs: add free space tree to the cow-only list

Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c
index ef6d8fc85853..c5540302402d 100644
--- a/fs/btrfs/relocation.c
+++ b/fs/btrfs/relocation.c
@@ -575,7 +575,8 @@ static int is_cowonly_root(u64 root_objectid)
             root_objectid == BTRFS_TREE_LOG_OBJECTID ||
             root_objectid == BTRFS_CSUM_TREE_OBJECTID ||
             root_objectid == BTRFS_UUID_TREE_OBJECTID ||
-            root_objectid == BTRFS_QUOTA_TREE_OBJECTID)
+            root_objectid == BTRFS_QUOTA_TREE_OBJECTID ||
+            root_objectid == BTRFS_FREE_SPACE_TREE_OBJECTID)
                 return 1;
         return 0;
 }