From: John Garry <john.garry@huawei.com>
To: Ming Lei <ming.lei@redhat.com>
Cc: "axboe@kernel.dk" <axboe@kernel.dk>,
"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"hare@suse.de" <hare@suse.de>
Subject: Re: [PATCH v4 11/13] blk-mq: Refactor and rename blk_mq_free_map_and_{requests->rqs}()
Date: Mon, 27 Sep 2021 10:40:28 +0100 [thread overview]
Message-ID: <cf6452cd-b148-553c-781d-5c888537ac28@huawei.com> (raw)
In-Reply-To: <YVGMvlU5T8zaoEnM@T590>
On 27/09/2021 10:19, Ming Lei wrote:
>> However, apart from this, I can change __blk_mq_free_map_and_rqs() to
>> NULLify set->tags[i], as it is always passed set->tags[i].
>>
>> Do you have a preference?
> I meant there are 5 following uses in your patch:
>
> + blk_mq_free_map_and_rqs(set, set->tags[i], i);
> + set->tags[i] = NULL;
>
> and one new helper(blk_mq_free_set_map_and_rqs(set, i)?) can be added for just
> doing that,
Ah, ok, but in the next patch we replace these blk_mq_free_map_and_rqs()
calls with __blk_mq_free_map_and_rqs(), and __blk_mq_free_map_and_rqs()
is always passed set->tags[i], so we do as you request there, i.e.
NULLify set->tags[i] in __blk_mq_free_map_and_rqs().
Thanks,
John
next prev parent reply other threads:[~2021-09-27 9:37 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-24 8:28 [PATCH v4 00/13] blk-mq: Reduce static requests memory footprint for shared sbitmap John Garry
2021-09-24 8:28 ` [PATCH v4 01/13] blk-mq: Change rqs check in blk_mq_free_rqs() John Garry
2021-09-24 8:28 ` [PATCH v4 02/13] block: Rename BLKDEV_MAX_RQ -> BLKDEV_DEFAULT_RQ John Garry
2021-09-24 8:28 ` [PATCH v4 03/13] blk-mq: Relocate shared sbitmap resize in blk_mq_update_nr_requests() John Garry
2021-09-24 8:28 ` [PATCH v4 04/13] blk-mq: Invert check " John Garry
2021-09-24 8:28 ` [PATCH v4 05/13] blk-mq-sched: Rename blk_mq_sched_alloc_{tags -> map_and_rqs}() John Garry
2021-09-24 10:08 ` Hannes Reinecke
2021-09-24 8:28 ` [PATCH v4 06/13] blk-mq-sched: Rename blk_mq_sched_free_{requests -> rqs}() John Garry
2021-09-26 1:15 ` Ming Lei
2021-09-24 8:28 ` [PATCH v4 07/13] blk-mq: Pass driver tags to blk_mq_clear_rq_mapping() John Garry
2021-09-26 1:42 ` Ming Lei
2021-09-24 8:28 ` [PATCH v4 08/13] blk-mq: Don't clear driver tags own mapping John Garry
2021-09-26 1:43 ` Ming Lei
2021-09-24 8:28 ` [PATCH v4 09/13] blk-mq: Add blk_mq_tag_update_sched_shared_sbitmap() John Garry
2021-09-24 8:28 ` [PATCH v4 10/13] blk-mq: Add blk_mq_alloc_map_and_rqs() John Garry
2021-09-26 2:00 ` Ming Lei
2021-09-24 8:28 ` [PATCH v4 11/13] blk-mq: Refactor and rename blk_mq_free_map_and_{requests->rqs}() John Garry
2021-09-26 2:05 ` Ming Lei
2021-09-27 9:02 ` John Garry
2021-09-27 9:19 ` Ming Lei
2021-09-27 9:40 ` John Garry [this message]
2021-09-24 8:28 ` [PATCH v4 12/13] blk-mq: Use shared tags for shared sbitmap support John Garry
2021-09-24 10:23 ` Hannes Reinecke
2021-09-24 10:39 ` John Garry
2021-09-29 13:36 ` John Garry
2021-09-26 3:25 ` Ming Lei
2021-09-27 9:13 ` John Garry
2021-09-27 9:26 ` Ming Lei
2021-09-27 9:41 ` John Garry
2021-09-24 8:28 ` [PATCH v4 13/13] blk-mq: Stop using pointers for blk_mq_tags bitmap tags John Garry
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=cf6452cd-b148-553c-781d-5c888537ac28@huawei.com \
--to=john.garry@huawei.com \
--cc=axboe@kernel.dk \
--cc=hare@suse.de \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=ming.lei@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
all inboxes | Powered by JetHome®