From: Hannes Reinecke <hare@suse.de>
To: Christoph Hellwig <hch@lst.de>
Cc: linux-block@vger.kernel.org, John Garry <john.garry@huawei.com>,
Bart Van Assche <bvanassche@acm.org>,
Hannes Reinecke <hare@suse.com>,
Thomas Gleixner <tglx@linutronix.de>,
Ming Lei <ming.lei@redhat.com>
Subject: Re: [PATCH 5/6] blk-mq: add blk_mq_all_tag_iter
Date: Fri, 22 May 2020 11:18:18 +0200 [thread overview]
Message-ID: <27f569c7-98ee-df3c-0f13-4a63d3a4d348@suse.de> (raw)
In-Reply-To: <20200520170635.2094101-6-hch@lst.de>
On 5/20/20 7:06 PM, Christoph Hellwig wrote:
> From: Ming Lei <ming.lei@redhat.com>
>
> Add one new function of blk_mq_all_tag_iter so that we can iterate every
> allocated request from either io scheduler tags or driver tags, and this
> way is more flexible since it allows the callers to do whatever they want
> on allocated request.
>
> It will be used to implement draining allocated requests on specified
> hctx in this patchset.
>
> Signed-off-by: Ming Lei <ming.lei@redhat.com>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> block/blk-mq-tag.c | 33 +++++++++++++++++++++++++++++----
> block/blk-mq-tag.h | 2 ++
> 2 files changed, 31 insertions(+), 4 deletions(-)
>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Cheers,
Hannes
--
Dr. Hannes Reinecke Teamlead Storage & Networking
hare@suse.de +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer
next prev parent reply other threads:[~2020-05-22 9:18 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-20 17:06 blk-mq: improvement CPU hotplug (simplified version) v3 Christoph Hellwig
2020-05-20 17:06 ` [PATCH 1/6] blk-mq: remove the bio argument to ->prepare_request Christoph Hellwig
2020-05-20 18:16 ` Bart Van Assche
2020-05-22 9:11 ` Hannes Reinecke
2020-05-20 17:06 ` [PATCH 2/6] blk-mq: simplify the blk_mq_get_request calling convention Christoph Hellwig
2020-05-20 18:22 ` Bart Van Assche
2020-05-22 9:13 ` Hannes Reinecke
2020-05-20 17:06 ` [PATCH 3/6] blk-mq: move more request initialization to blk_mq_rq_ctx_init Christoph Hellwig
2020-05-20 20:10 ` Bart Van Assche
2020-05-20 17:06 ` [PATCH 4/6] blk-mq: open code __blk_mq_alloc_request in blk_mq_alloc_request_hctx Christoph Hellwig
2020-05-22 9:17 ` Hannes Reinecke
2020-05-20 17:06 ` [PATCH 5/6] blk-mq: add blk_mq_all_tag_iter Christoph Hellwig
2020-05-20 20:24 ` Bart Van Assche
2020-05-27 6:05 ` Christoph Hellwig
2020-05-22 9:18 ` Hannes Reinecke [this message]
2020-05-20 17:06 ` [PATCH 6/6] blk-mq: drain I/O when all CPUs in a hctx are offline Christoph Hellwig
2020-05-22 9:25 ` Hannes Reinecke
2020-05-25 9:20 ` Ming Lei
2020-05-20 21:46 ` blk-mq: improvement CPU hotplug (simplified version) v3 Bart Van Assche
2020-05-21 2:57 ` Ming Lei
2020-05-21 3:50 ` Bart Van Assche
2020-05-21 4:33 ` Ming Lei
2020-05-21 19:15 ` Bart Van Assche
2020-05-22 2:39 ` Ming Lei
2020-05-22 14:47 ` Keith Busch
2020-05-23 3:05 ` Ming Lei
2020-05-23 15:19 ` Bart Van Assche
2020-05-25 4:09 ` Ming Lei
2020-05-25 15:32 ` Bart Van Assche
2020-05-25 16:38 ` Keith Busch
2020-05-26 0:37 ` Ming Lei
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