Linux block layer
 help / color / mirror / Atom feed
From: Hannes Reinecke <hare@suse.de>
To: Ming Lei <ming.lei@redhat.com>, Jens Axboe <axboe@kernel.dk>
Cc: linux-block@vger.kernel.org,
	Jeffle Xu <jefflexu@linux.alibaba.com>,
	Mike Snitzer <snitzer@redhat.com>,
	dm-devel@redhat.com
Subject: Re: [PATCH V4 03/12] block: create io poll context for submission and poll task
Date: Tue, 30 Mar 2021 08:17:24 +0200	[thread overview]
Message-ID: <9f485fcf-4846-fd58-86e5-deddfe78635f@suse.de> (raw)
In-Reply-To: <20210329152622.173035-4-ming.lei@redhat.com>

On 3/29/21 5:26 PM, Ming Lei wrote:
> Create per-task io poll context for both IO submission and poll task
> if the queue is bio based and supports polling.
> 
> This io polling context includes two queues:
> 
> 1) submission queue(sq) for storing HIPRI bio, written by submission task
>     and read by poll task.
> 2) polling queue(pq) for holding data moved from sq, only used in poll
>     context for running bio polling.
> 
> Following patches will support bio based io polling.
> 
> Signed-off-by: Ming Lei <ming.lei@redhat.com>
> ---
>   block/blk-core.c          | 79 +++++++++++++++++++++++++++++++++------
>   block/blk-ioc.c           |  1 +wed
>   block/blk-mq.c            | 14 +++++++
>   block/blk.h               | 38 +++++++++++++++++++
>   include/linux/iocontext.h |  2 +
>   5 files changed, 123 insertions(+), 11 deletions(-)
> Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@suse.de                              +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer

  parent reply	other threads:[~2021-03-30  6:18 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-29 15:26 [PATCH V4 00/12] block: support bio based io polling Ming Lei
2021-03-29 15:26 ` [PATCH V4 01/12] block: add helper of blk_queue_poll Ming Lei
2021-03-29 15:26 ` [PATCH V4 02/12] block: add one helper to free io_context Ming Lei
2021-03-29 15:26 ` [PATCH V4 03/12] block: create io poll context for submission and poll task Ming Lei
2021-03-30  3:54   ` JeffleXu
2021-03-30  6:17   ` Hannes Reinecke [this message]
2021-03-29 15:26 ` [PATCH V4 04/12] block: add req flag of REQ_POLL_CTX Ming Lei
2021-03-30  6:19   ` Hannes Reinecke
2021-03-29 15:26 ` [PATCH V4 05/12] block: add new field into 'struct bvec_iter' Ming Lei
2021-03-29 15:26 ` [PATCH V4 06/12] block/mq: extract one helper function polling hw queue Ming Lei
2021-03-29 15:26 ` [PATCH V4 07/12] block: prepare for supporting bio_list via other link Ming Lei
2021-03-29 15:26 ` [PATCH V4 08/12] block: use per-task poll context to implement bio based io polling Ming Lei
2021-03-30  3:52   ` JeffleXu
2021-03-30  6:40   ` Hannes Reinecke
2021-03-30  8:32     ` Ming Lei
2021-03-29 15:26 ` [PATCH V4 09/12] blk-mq: limit hw queues to be polled in each blk_poll() Ming Lei
2021-03-30  3:53   ` JeffleXu
2021-03-29 15:26 ` [PATCH V4 10/12] block: add queue_to_disk() to get gendisk from request_queue Ming Lei
2021-03-30  6:27   ` Hannes Reinecke
2021-03-29 15:26 ` [PATCH V4 11/12] block: add poll_capable method to support bio-based IO polling Ming Lei
2021-03-30  6:26   ` Hannes Reinecke
2021-03-30  6:50     ` JeffleXu
2021-03-30  8:49       ` Ming Lei
2021-03-29 15:26 ` [PATCH V4 12/12] dm: support IO polling for bio-based dm device Ming Lei
2021-03-30  6:40   ` Hannes Reinecke

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=9f485fcf-4846-fd58-86e5-deddfe78635f@suse.de \
    --to=hare@suse.de \
    --cc=axboe@kernel.dk \
    --cc=dm-devel@redhat.com \
    --cc=jefflexu@linux.alibaba.com \
    --cc=linux-block@vger.kernel.org \
    --cc=ming.lei@redhat.com \
    --cc=snitzer@redhat.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox