From: Yuri Tikhonov <yur@emcraft.com>
To: "Williams, Dan J" <dan.j.williams@intel.com>
Cc: linux-raid@vger.kernel.org, Wolfgang Denk <wd@denx.de>, dzu@denx.de
Subject: Re: md raid acceleration and the async_tx api
Date: Thu, 30 Aug 2007 18:57:09 +0400 [thread overview]
Message-ID: <200708301857.09564.yur@emcraft.com> (raw)
In-Reply-To: <0C7297FA1D2D244A9C7F6959C0BF1E52025B10C6@azsmsx413.amr.corp.intel.com>
Hi Dan,
On Monday 27 August 2007 23:12, you wrote:
> This still looks racy... I think the complete fix is to make the
> R5_Wantfill and dev_q->toread accesses atomic. Please test the
> following patch (also attached) and let me know if it fixes what you are
> seeing:
Your approach doesn't help, the Bonnie++ utility hangs up during the
ReWriting stage.
Note that before applying your patch I rolled my fix in the
ops_complete_biofill() function back. Do I understand it right that your
patch should be used *instead* of my one rather than *with* it ?
Regards, Yuri
next prev parent reply other threads:[~2007-08-30 14:57 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-27 8:49 md raid acceleration and the async_tx api Yuri Tikhonov
2007-08-27 19:12 ` Williams, Dan J
2007-08-30 14:57 ` Yuri Tikhonov [this message]
2007-08-30 19:34 ` Dan Williams
[not found] <200709071444.34911.yur@emcraft.com>
[not found] ` <0C7297FA1D2D244A9C7F6959C0BF1E520268732A@azsmsx413.amr.corp.intel.com>
2007-09-13 9:38 ` Yuri Tikhonov
2007-09-13 16:52 ` Dan Williams
2007-09-13 21:14 ` Mr. James W. Laferriere
2007-09-13 21:30 ` Williams, Dan J
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=200708301857.09564.yur@emcraft.com \
--to=yur@emcraft.com \
--cc=dan.j.williams@intel.com \
--cc=dzu@denx.de \
--cc=linux-raid@vger.kernel.org \
--cc=wd@denx.de \
/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).