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Commit a664d0f0 authored by Slava Pestov's avatar Slava Pestov Committed by Kent Overstreet
Browse files

bcache: fix crash on shutdown in passthrough mode 

We never started the writeback thread in this case, so don't stop it.
parent e5112201

drivers/md/bcache/super.c

+2 −1
Original line number Diff line number Diff line
@@ -1071,6 +1071,7 @@ static void cached_dev_free(struct closure *cl) 
	struct cached_dev *dc = container_of(cl, struct cached_dev, disk.cl);



	cancel_delayed_work_sync(&dc->writeback_rate_update);

	if (!IS_ERR_OR_NULL(dc->writeback_thread))

		kthread_stop(dc->writeback_thread);



	mutex_lock(&bch_register_lock);