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block: remove QUEUE_FLAG_DEAD

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Disallow setting the blk-mq state on any queue that is already dying as
setting the state even then is a bad idea, and remove the now unused
QUEUE_FLAG_DEAD flag.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Link: https://lore.kernel.org/r/20220619060552.1850436-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig
2022-06-19 08:05:49 +02:00
committed by Jens Axboe
parent e8b58ef09e
commit 1f90307e5f
3 changed files with 3 additions and 10 deletions
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3
block/blk-core.c
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@@ -313,9 +313,6 @@ void blk_cleanup_queue(struct request_queue *q)
* after draining finished.
*/
blk_freeze_queue(q);
blk_queue_flag_set(QUEUE_FLAG_DEAD, q);
blk_sync_queue(q);
if (queue_is_mq(q)) {
blk_mq_cancel_work_sync(q);