Btrfs: fix __btrfs_start_workers retval

__btrfs_start_workers returns 0 in case it raced with
btrfs_stop_workers and lost the race.  This is wrong because worker in
this case is not allowed to start and is in fact destroyed.  Return
-EINVAL instead.

Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Josef Bacik <jbacik@fusionio.com>
Signed-off-by: Chris Mason <chris.mason@fusionio.com>
This commit is contained in:
Ilya Dryomov 2013-11-03 19:06:40 +02:00 committed by Chris Mason
parent 908960c6c0
commit ba69994a40

View file

@ -495,6 +495,7 @@ static int __btrfs_start_workers(struct btrfs_workers *workers)
spin_lock_irq(&workers->lock);
if (workers->stopping) {
spin_unlock_irq(&workers->lock);
ret = -EINVAL;
goto fail_kthread;
}
list_add_tail(&worker->worker_list, &workers->idle_list);