From: Dave Chinner <david@fromorbit.com>
To: Eric Sandeen <sandeen@sandeen.net>
Cc: xfs@oss.sgi.com
Subject: Re: [RFC, PATCH 0/3] serialise concurrent direct IO sub-block zeroing
Date: Sat, 24 Jul 2010 10:09:46 +1000 [thread overview]
Message-ID: <20100724000946.GK32635@dastard> (raw)
In-Reply-To: <4C49EB67.6020509@sandeen.net>
On Fri, Jul 23, 2010 at 02:20:07PM -0500, Eric Sandeen wrote:
> Dave Chinner wrote:
> > Patches for discussion seeing as git.kernel.org is being slow to update.
> >
>
> I can confirm that this fixes the qemu problems, too.
>
> Also makes the install take about 30min vs. 10 ;)
Yeah, that's no surprise - it'll be serialising all the IO even when
it doesn't need to. Good to know that we've found the cause of the
problem, though, so we can work from here towards a more robust
solution.
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2010-07-24 0:06 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-07-23 10:41 [RFC, PATCH 0/3] serialise concurrent direct IO sub-block zeroing Dave Chinner
2010-07-23 10:41 ` [PATCH 1/3] fs: get_blocks needs an unaligned mapping flag Dave Chinner
2010-07-23 15:29 ` Alex Elder
2010-07-23 10:41 ` [PATCH 2/3] xfs: serialise unaligned direct IO into unwritten extents Dave Chinner
2010-07-23 15:30 ` Alex Elder
2010-07-23 10:41 ` [PATCH 3/3] xfs: wait on IO completion inside an IO context Dave Chinner
2010-07-23 15:30 ` Alex Elder
2010-07-23 19:20 ` [RFC, PATCH 0/3] serialise concurrent direct IO sub-block zeroing Eric Sandeen
2010-07-24 0:09 ` Dave Chinner [this message]
2010-07-24 11:12 ` Alex Elder
2010-07-25 11:37 ` Dave Chinner
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