From: Kazuya Mio <k-mio@sx.jp.nec.com>
To: Jan Kara <jack@suse.cz>
Cc: akpm@linux-foundation.org, adilger.kernel@dilger.ca,
linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: bio splits unnecessarily due to BH_Boundary in ext3 direct I/O
Date: Wed, 10 Apr 2013 11:59:17 +0900 [thread overview]
Message-ID: <5164D585.6080404@sx.jp.nec.com> (raw)
In-Reply-To: <20130409154059.GA15214@quack.suse.cz>
2013/04/10 0:40, Jan Kara wrote:
> Ah, thanks for pointing that out. It took me a while to get things
> correct but with the attached patch (on top of the first patch), I'm
> getting all the bios with maximum size. I've also checked that for direct
> IO on ramdisk, I get about 3x faster IO on ext3 with both patches applied.
> I also get a decent 10% speedup of dio reads on standard harddrive.
I made sure that the problem I reported was completely fixed.
Thank you for your help.
Regards,
Kazuya Mio
prev parent reply other threads:[~2013-04-10 3:07 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-07 8:36 bio splits unnecessarily due to BH_Boundary in ext3 direct I/O Kazuya Mio
2013-03-07 10:48 ` Jan Kara
2013-03-19 8:36 ` Kazuya Mio
2013-03-19 19:31 ` Jan Kara
2013-03-21 8:43 ` Kazuya Mio
2013-03-29 17:15 ` Jan Kara
2013-04-01 8:25 ` Kazuya Mio
2013-04-09 15:40 ` Jan Kara
2013-04-10 2:59 ` Kazuya Mio [this message]
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