diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c
index 75bab76739be..94441fdb1ecf 100644
--- a/fs/btrfs/reada.c
+++ b/fs/btrfs/reada.c
@@ -759,6 +759,7 @@ static void __reada_start_machine(struct btrfs_fs_info *fs_info)
 	u64 total = 0;
 	int i;
 
+again:
 	do {
 		enqueued = 0;
 		mutex_lock(&fs_devices->device_list_mutex);
@@ -771,6 +772,10 @@ static void __reada_start_machine(struct btrfs_fs_info *fs_info)
 		mutex_unlock(&fs_devices->device_list_mutex);
 		total += enqueued;
 	} while (enqueued && total < 10000);
+	if (fs_devices->seed) {
+		fs_devices = fs_devices->seed;
+		goto again;
+	}
 
 	if (enqueued == 0)
 		return;