All of lore.kernel.org
 help / color / mirror / Atom feed
From: Yu Kuai <yukuai1@huaweicloud.com>
To: Bart Van Assche <bvanassche@acm.org>,
	Yu Kuai <yukuai1@huaweicloud.com>,
	Christoph Hellwig <hch@infradead.org>
Cc: Ed Tsai <ed.tsai@mediatek.com>,
	axboe@kernel.dk, linux-block@vger.kernel.org,
	linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org,
	martin.petersen@oracle.com, stanley.chu@mediatek.com,
	peter.wang@mediatek.com, chun-hung.wu@mediatek.com,
	alice.chao@mediatek.com, powen.kao@mediatek.com,
	naomi.chu@mediatek.com, wsd_upstream@mediatek.com,
	"yukuai (C)" <yukuai3@huawei.com>
Subject: Re: [PATCH 2/2] ufs: don't use the fair tag sharings
Date: Thu, 18 May 2023 15:55:35 +0800	[thread overview]
Message-ID: <bef8340e-f051-db63-5c2f-a2bc94c678ac@huaweicloud.com> (raw)
In-Reply-To: <66906bd5-d73f-af96-bf38-c6aee576fa73@acm.org>

Hi,

在 2023/05/18 10:23, Bart Van Assche 写道:
> On 5/17/23 18:49, Yu Kuai wrote:
>> Currently, fair share from hctx_may_queue() requires two
>> atomic_read(active_queues and active_requests), I think this smoothing
>> method can be placed into get_tag fail path, for example, the more times
>> a disk failed to get tag in a period of time, the more tag this disk can
>> get, and all the information can be updated here(perhaps directly
>> record how many tags a disk can get, then hctx_may_queue() still only
>> require 2 atomic_read()).
> 
> That sounds interesting to me. Do you perhaps plan to implement this 
> approach and to post it as a patch?

Of course, I'll try to send a RFC patch.

Thanks,
Kuai
> 
> Thanks,
> 
> Bart.
> 
> 
> .
> 


  reply	other threads:[~2023-05-18  7:55 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-05-09  6:52 [PATCH 0/2] block: improve the share tag set performance Ed Tsai
2023-05-09  6:52 ` [PATCH 1/2] block: make the fair sharing of tag configurable Ed Tsai
2023-05-09 21:33   ` kernel test robot
2023-05-11 15:33   ` Christoph Hellwig
2023-05-22  5:30   ` kernel test robot
2023-05-09  6:52 ` [PATCH 2/2] ufs: don't use the fair tag sharings Ed Tsai
2023-05-09  8:03   ` Avri Altman
2023-05-09 14:04     ` Bart Van Assche
2023-05-09 16:19       ` Avri Altman
2023-05-09 16:30         ` Bart Van Assche
2023-05-10  5:21           ` Avri Altman
2023-05-10 15:56             ` Bart Van Assche
2023-05-11 15:34   ` Christoph Hellwig
2023-05-11 15:38     ` Bart Van Assche
2023-05-12 14:02       ` Christoph Hellwig
2023-05-12 18:12         ` Bart Van Assche
2023-05-13  3:09           ` Yu Kuai
2023-05-16 15:12             ` Bart Van Assche
2023-05-17  7:49               ` Yu Kuai
2023-05-17 18:23                 ` Bart Van Assche
2023-05-18  1:49                   ` Yu Kuai
2023-05-18  2:23                     ` Bart Van Assche
2023-05-18  7:55                       ` Yu Kuai [this message]
2023-06-13 14:07                         ` Bart Van Assche
2023-06-14  1:58                           ` Yu Kuai
2023-05-10 22:56 ` [PATCH 0/2] block: improve the share tag set performance Bart Van Assche

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=bef8340e-f051-db63-5c2f-a2bc94c678ac@huaweicloud.com \
    --to=yukuai1@huaweicloud.com \
    --cc=alice.chao@mediatek.com \
    --cc=axboe@kernel.dk \
    --cc=bvanassche@acm.org \
    --cc=chun-hung.wu@mediatek.com \
    --cc=ed.tsai@mediatek.com \
    --cc=hch@infradead.org \
    --cc=linux-block@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-scsi@vger.kernel.org \
    --cc=martin.petersen@oracle.com \
    --cc=naomi.chu@mediatek.com \
    --cc=peter.wang@mediatek.com \
    --cc=powen.kao@mediatek.com \
    --cc=stanley.chu@mediatek.com \
    --cc=wsd_upstream@mediatek.com \
    --cc=yukuai3@huawei.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.