* [PATCH] blk-mq: move queue_is_mq out of blk_mq_cancel_work_sync
@ 2022-10-30 9:47 Jinlong Chen
2022-10-30 9:57 ` Christoph Hellwig
2022-10-31 13:32 ` Jens Axboe
0 siblings, 2 replies; 3+ messages in thread
From: Jinlong Chen @ 2022-10-30 9:47 UTC (permalink / raw)
To: axboe; +Cc: hch, linux-block, linux-kernel, nickyc975
The only caller that needs queue_is_mq check is del_gendisk, so move the
check into it.
Signed-off-by: Jinlong Chen <nickyc975@zju.edu.cn>
---
block/blk-mq.c | 12 +++++-------
block/genhd.c | 4 +++-
2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 8ca49530bdf3..e2a332786ebd 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -4851,15 +4851,13 @@ EXPORT_SYMBOL(blk_mq_rq_cpu);
void blk_mq_cancel_work_sync(struct request_queue *q)
{
- if (queue_is_mq(q)) {
- struct blk_mq_hw_ctx *hctx;
- unsigned long i;
+ struct blk_mq_hw_ctx *hctx;
+ unsigned long i;
- cancel_delayed_work_sync(&q->requeue_work);
+ cancel_delayed_work_sync(&q->requeue_work);
- queue_for_each_hw_ctx(q, hctx, i)
- cancel_delayed_work_sync(&hctx->run_work);
- }
+ queue_for_each_hw_ctx(q, hctx, i)
+ cancel_delayed_work_sync(&hctx->run_work);
}
static int __init blk_mq_init(void)
diff --git a/block/genhd.c b/block/genhd.c
index 17b33c62423d..493b93faee9c 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -638,7 +638,9 @@ void del_gendisk(struct gendisk *disk)
blk_sync_queue(q);
blk_flush_integrity();
- blk_mq_cancel_work_sync(q);
+
+ if (queue_is_mq(q))
+ blk_mq_cancel_work_sync(q);
blk_mq_quiesce_queue(q);
if (q->elevator) {
--
2.31.1
^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] blk-mq: move queue_is_mq out of blk_mq_cancel_work_sync
2022-10-30 9:47 [PATCH] blk-mq: move queue_is_mq out of blk_mq_cancel_work_sync Jinlong Chen
@ 2022-10-30 9:57 ` Christoph Hellwig
2022-10-31 13:32 ` Jens Axboe
1 sibling, 0 replies; 3+ messages in thread
From: Christoph Hellwig @ 2022-10-30 9:57 UTC (permalink / raw)
To: Jinlong Chen; +Cc: axboe, hch, linux-block, linux-kernel
Looks good:
Reviewed-by: Christoph Hellwig <hch@lst.de>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] blk-mq: move queue_is_mq out of blk_mq_cancel_work_sync
2022-10-30 9:47 [PATCH] blk-mq: move queue_is_mq out of blk_mq_cancel_work_sync Jinlong Chen
2022-10-30 9:57 ` Christoph Hellwig
@ 2022-10-31 13:32 ` Jens Axboe
1 sibling, 0 replies; 3+ messages in thread
From: Jens Axboe @ 2022-10-31 13:32 UTC (permalink / raw)
To: Jinlong Chen; +Cc: linux-kernel, linux-block, hch
On Sun, 30 Oct 2022 17:47:30 +0800, Jinlong Chen wrote:
> The only caller that needs queue_is_mq check is del_gendisk, so move the
> check into it.
>
>
Applied, thanks!
[1/1] blk-mq: move queue_is_mq out of blk_mq_cancel_work_sync
commit: 219cf43c552a49a7710b7b341bf616682a2643f0
Best regards,
--
Jens Axboe
^ permalink raw reply [flat|nested] 3+ messages in thread
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2022-10-30 9:47 [PATCH] blk-mq: move queue_is_mq out of blk_mq_cancel_work_sync Jinlong Chen
2022-10-30 9:57 ` Christoph Hellwig
2022-10-31 13:32 ` Jens Axboe
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