From: "Martin K. Petersen" <martin.petersen@oracle.com>
To: Yadan Fan <ydfan@suse.com>
Cc: don.brace@microsemi.com, martin.petersen@oracle.com,
jejb@linux.vnet.ibm.com, esc.storagedev@microsemi.com,
linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 1/2] hpsa: limit transfer length to 1MB
Date: Mon, 17 Jul 2017 22:57:12 -0400 [thread overview]
Message-ID: <yq1k236fo53.fsf@oracle.com> (raw)
In-Reply-To: <20170623094006.16807-1-ydfan@suse.com> (Yadan Fan's message of "Fri, 23 Jun 2017 17:40:05 +0800")
Yadan,
> The hpsa firmware will bypass the cache for any request larger
> than 1MB, so we should cap the request size to avoid any
> performance degradation in kernels later than v4.3
Applied to 4.13/scsi-fixes. Thanks!
--
Martin K. Petersen Oracle Linux Engineering
prev parent reply other threads:[~2017-07-18 2:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-23 9:40 [PATCH v2 1/2] hpsa: limit transfer length to 1MB Yadan Fan
2017-06-23 9:40 ` [PATCH v2 2/2] smartpqi: " Yadan Fan
2017-06-23 13:01 ` Johannes Thumshirn
2017-07-12 21:27 ` Martin K. Petersen
2017-06-23 13:01 ` [PATCH v2 1/2] hpsa: " Johannes Thumshirn
2017-06-26 17:35 ` Martin K. Petersen
2017-07-18 2:57 ` Martin K. Petersen [this message]
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=yq1k236fo53.fsf@oracle.com \
--to=martin.petersen@oracle.com \
--cc=don.brace@microsemi.com \
--cc=esc.storagedev@microsemi.com \
--cc=jejb@linux.vnet.ibm.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=ydfan@suse.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;
as well as URLs for NNTP newsgroup(s).