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 06/14] blk-mq: Fix hardware context data node selection
Date: Mon, 19 Sep 2016 11:54:20 -0700 [thread overview]
Message-ID: <20160919185420.GG21803@vader> (raw)
In-Reply-To: <2ca00b95f42aefc5423ab09db0c50fcd3e5ee578.1474183901.git.agordeev@redhat.com>
On Sun, Sep 18, 2016 at 09:37:16AM +0200, Alexander Gordeev wrote:
> CC: linux-block@vger.kernel.org
> Signed-off-by: Alexander Gordeev <agordeev@redhat.com>
Makes sense.
Reviewed-by: Omar Sandoval <osandov@fb.com>
> ---
> block/blk-mq.c | 9 ++++-----
> 1 file changed, 4 insertions(+), 5 deletions(-)
>
> diff --git a/block/blk-mq.c b/block/blk-mq.c
> index a38fd2e..9fbfe31 100644
> --- a/block/blk-mq.c
> +++ b/block/blk-mq.c
> @@ -1712,13 +1712,9 @@ static int blk_mq_init_hctx(struct request_queue *q,
> struct blk_mq_tag_set *set,
> struct blk_mq_hw_ctx *hctx, unsigned hctx_idx)
> {
> - int node;
> + int node = hctx->numa_node;
> unsigned flush_start_tag = set->queue_depth;
>
> - node = hctx->numa_node;
> - if (node == NUMA_NO_NODE)
> - node = hctx->numa_node = set->numa_node;
> -
> INIT_WORK(&hctx->run_work, blk_mq_run_work_fn);
> INIT_DELAYED_WORK(&hctx->delay_work, blk_mq_delay_work_fn);
> spin_lock_init(&hctx->lock);
> @@ -1999,6 +1995,9 @@ static void blk_mq_realloc_hw_ctxs(struct blk_mq_tag_set *set,
> break;
>
> node = blk_mq_hw_queue_to_node(q->mq_map, i);
> + if (node == NUMA_NO_NODE)
> + node = set->numa_node;
> +
> hctxs[i] = kzalloc_node(sizeof(struct blk_mq_hw_ctx),
> GFP_KERNEL, node);
> if (!hctxs[i])
> --
> 1.8.3.1
>
--
Omar
next prev parent reply other threads:[~2016-09-19 18:54 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 [this message]
2016-09-18 7:37 ` [PATCH 07/14] blk-mq: Cleanup a loop exit condition Alexander Gordeev
2016-09-19 19:00 ` Omar Sandoval
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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