From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Bart Van Assche <bvanassche@acm.org>
Cc: "Martin K . Petersen" <martin.petersen@oracle.com>,
Jaegeuk Kim <jaegeuk@kernel.org>,
linux-scsi@vger.kernel.org,
Adrian Hunter <adrian.hunter@intel.com>,
Avri Altman <avri.altman@wdc.com>, Bean Huo <beanhuo@micron.com>,
Stanley Chu <stanley.chu@mediatek.com>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
Matthias Brugger <matthias.bgg@gmail.com>
Subject: Re: [PATCH v3] scsi: ufs: Increase the maximum data buffer size
Date: Mon, 01 Aug 2022 19:28:18 -0400 [thread overview]
Message-ID: <yq1tu6v4k8n.fsf@ca-mkp.ca.oracle.com> (raw)
In-Reply-To: <20220726225232.1362251-1-bvanassche@acm.org> (Bart Van Assche's message of "Tue, 26 Jul 2022 15:52:21 -0700")
Bart,
> Measurements for one particular UFS controller + UFS device show a 25%
> higher read bandwidth if the maximum data buffer size is increased from
> 512 KiB to 1 MiB. Hence increase the maximum size of the data buffer
> associated with a single request from SCSI_DEFAULT_MAX_SECTORS (1024)
> * 512 bytes = 512 KiB to 1 MiB.
Applied to 5.20/scsi-staging, thanks!
--
Martin K. Petersen Oracle Linux Engineering
next prev parent reply other threads:[~2022-08-01 23:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-26 22:52 [PATCH v3] scsi: ufs: Increase the maximum data buffer size Bart Van Assche
2022-07-27 5:06 ` Avri Altman
2022-08-01 23:28 ` Martin K. Petersen [this message]
2022-08-02 23:40 ` 정요한(JOUNG YOHAN) Mobile SE
2022-08-03 16:23 ` Bart Van Assche
2022-08-04 1:50 ` 정요한(JOUNG YOHAN) Mobile SE
2022-08-04 17:48 ` Bart Van Assche
2022-08-05 1:54 ` 정요한(JOUNG YOHAN) Mobile SE
2022-09-02 14:52 ` Bean Huo
2022-09-06 18:04 ` Bart Van Assche
2022-09-15 10:56 ` Bean Huo
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=yq1tu6v4k8n.fsf@ca-mkp.ca.oracle.com \
--to=martin.petersen@oracle.com \
--cc=adrian.hunter@intel.com \
--cc=avri.altman@wdc.com \
--cc=beanhuo@micron.com \
--cc=bvanassche@acm.org \
--cc=jaegeuk@kernel.org \
--cc=jejb@linux.ibm.com \
--cc=linux-scsi@vger.kernel.org \
--cc=matthias.bgg@gmail.com \
--cc=stanley.chu@mediatek.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