From: Omar Sandoval <osandov@osandov.com>
To: Alexander Gordeev <agordeev@redhat.com>
Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org
Subject: Re: [PATCH 07/14] blk-mq: Cleanup a loop exit condition
Date: Mon, 19 Sep 2016 12:00:28 -0700 [thread overview]
Message-ID: <20160919190028.GH21803@vader> (raw)
In-Reply-To: <28367fd20927339e103d7e5afef31e2988e7ee78.1474183901.git.agordeev@redhat.com>
On Sun, Sep 18, 2016 at 09:37:17AM +0200, Alexander Gordeev wrote:
> CC: linux-block@vger.kernel.org
> Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
So set->nr_hw_queues is always >= q->nr_hw_queues, right?
Reviewed-by: Omar Sandoval <osandov@fb.com>
> ---
> block/blk-mq.c | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/block/blk-mq.c b/block/blk-mq.c
> index 9fbfe31..b2ef8f5 100644
> --- a/block/blk-mq.c
> +++ b/block/blk-mq.c
> @@ -1681,16 +1681,13 @@ static void blk_mq_exit_hctx(struct request_queue *q,
> }
>
> static void blk_mq_exit_hw_queues(struct request_queue *q,
> - struct blk_mq_tag_set *set, int nr_queue)
> + struct blk_mq_tag_set *set)
> {
> struct blk_mq_hw_ctx *hctx;
> unsigned int i;
>
> - queue_for_each_hw_ctx(q, hctx, i) {
> - if (i == nr_queue)
> - break;
> + queue_for_each_hw_ctx(q, hctx, i)
> blk_mq_exit_hctx(q, set, hctx, i);
> - }
> }
>
> static void blk_mq_free_hw_queues(struct request_queue *q,
> @@ -2124,7 +2121,7 @@ void blk_mq_free_queue(struct request_queue *q)
>
> blk_mq_del_queue_tag_set(q);
>
> - blk_mq_exit_hw_queues(q, set, set->nr_hw_queues);
> + blk_mq_exit_hw_queues(q, set);
> blk_mq_free_hw_queues(q, set);
> }
>
> --
> 1.8.3.1
>
> --
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--
Omar
next prev parent reply other threads:[~2016-09-19 19:00 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-18 7:37 [PATCH 00/14] blk-mq: Minor fixes and cleanups Alexander Gordeev
2016-09-18 7:37 ` [PATCH 01/14] blk-mq: Fix memory leaks on queue cleanup Alexander Gordeev
2016-09-19 13:51 ` Christoph Hellwig
2016-09-18 7:37 ` [PATCH 02/14] blk-mq: Fix a potential NULL pointer assignment to hctx tags Alexander Gordeev
2016-09-19 18:34 ` Omar Sandoval
2016-09-18 7:37 ` [PATCH 03/14] block: Get rid of unused request_queue::nr_queues member Alexander Gordeev
2016-09-19 18:37 ` Omar Sandoval
2016-09-18 7:37 ` [PATCH 04/14] blk-mq: Do not limit number of queues to 'nr_cpu_ids' in allocations Alexander Gordeev
2016-09-19 17:48 ` Omar Sandoval
2016-09-20 11:44 ` Alexander Gordeev
2016-09-20 17:26 ` Omar Sandoval
2016-09-18 7:37 ` [PATCH 05/14] blk-mq: Remove a redundant assignment Alexander Gordeev
2016-09-19 18:38 ` Omar Sandoval
2016-09-18 7:37 ` [PATCH 06/14] blk-mq: Fix hardware context data node selection Alexander Gordeev
2016-09-19 18:54 ` Omar Sandoval
2016-09-18 7:37 ` [PATCH 07/14] blk-mq: Cleanup a loop exit condition Alexander Gordeev
2016-09-19 19:00 ` Omar Sandoval [this message]
2016-09-20 11:33 ` Alexander Gordeev
2016-09-18 7:37 ` [PATCH 08/14] blk-mq: Get rid of unnecessary blk_mq_free_hw_queues() Alexander Gordeev
2016-09-18 7:37 ` [PATCH 09/14] blk-mq: Move duplicating code to blk_mq_exit_hctx() Alexander Gordeev
2016-09-19 17:57 ` Omar Sandoval
2016-09-18 7:37 ` [PATCH 10/14] blk-mq: Uninit hardware context in order reverse to init Alexander Gordeev
2016-09-19 17:59 ` Omar Sandoval
2016-09-18 7:37 ` [PATCH 11/14] blk-mq: Move hardware context init code into single location Alexander Gordeev
2016-09-18 7:37 ` [PATCH 12/14] blk-mq: Rework blk_mq_init_hctx() function Alexander Gordeev
2016-09-18 7:37 ` [PATCH 13/14] blk-mq: Pair blk_mq_hctx_kobj_init() with blk_mq_hctx_kobj_put() Alexander Gordeev
2016-09-18 7:37 ` [PATCH 14/14] blk-mq: Set flush_start_tag to BLK_MQ_MAX_DEPTH Alexander Gordeev
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