btrfs: assert that send is not in progres before root deletion

CC: Miao Xie <miaox@cn.fujitsu.com>
CC: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>

1 files changed, 0 insertions, 13 deletions

diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c
index 7579f6d0b85..c30815e7923 100644
--- a/fs/btrfs/transaction.c
+++ b/fs/btrfs/transaction.c
@@ -1984,19 +1984,6 @@ int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root)
 	}
 	root = list_first_entry(&fs_info->dead_roots,
 			struct btrfs_root, root_list);
-	/*
-	 * Make sure root is not involved in send,
-	 * if we fail with first root, we return
-	 * directly rather than continue.
-	 */
-	spin_lock(&root->root_item_lock);
-	if (root->send_in_progress) {
-		spin_unlock(&fs_info->trans_lock);
-		spin_unlock(&root->root_item_lock);
-		return 0;
-	}
-	spin_unlock(&root->root_item_lock);
-
 	list_del_init(&root->root_list);
 	spin_unlock(&fs_info->trans_lock);