WARN_ON(atomic_xchg(
&fs_info->mutually_exclusive_operation_running, 1));
task = kthread_run(btrfs_dev_replace_kthread, fs_info, "btrfs-devrepl");
- return PTR_RET(task);
+ return PTR_ERR_OR_ZERO(task);
}
static int btrfs_dev_replace_kthread(void *data)