From: 'Christoph Hellwig' <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: Sean Noonan <Sean.Noonan@twosigma.com>,
'Christoph Hellwig' <hch@infradead.org>,
'Michel Lespinasse' <walken@google.com>,
"'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>,
Martin Bligh <Martin.Bligh@twosigma.com>,
Trammell Hudson <Trammell.Hudson@twosigma.com>,
Christos Zoulas <Christos.Zoulas@twosigma.com>,
"'linux-xfs@oss.sgi.com'" <linux-xfs@oss.sgi.com>,
Stephen Degler <Stephen.Degler@twosigma.com>,
"'linux-mm@kvack.org'" <linux-mm@kvack.org>
Subject: Re: XFS memory allocation deadlock in 2.6.38
Date: Wed, 30 Mar 2011 05:30:41 -0400 [thread overview]
Message-ID: <20110330093041.GB21819@infradead.org> (raw)
In-Reply-To: <20110330000942.GI3008@dastard>
On Wed, Mar 30, 2011 at 11:09:42AM +1100, Dave Chinner wrote:
> + ext_buffer = kmem_alloc(XFS_IFORK_SIZE(ip, whichfork),
> + KM_SLEEP | KM_NOFS);
The old code didn't use KM_NOFS, and I don't think it needed it either,
as we call the iop_format handlers inside the region covered by the
PF_FSTRANS flag.
Also I think the routine needs to be under #ifndef XFS_NATIVE_HOST, as
we do not use it for big endian builds.
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prev parent reply other threads:[~2011-03-30 9:30 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <081DDE43F61F3D43929A181B477DCA95639B52FD@MSXAOA6.twosigma.com>
[not found] ` <081DDE43F61F3D43929A181B477DCA95639B5327@MSXAOA6.twosigma.com>
2011-03-24 17:43 ` XFS memory allocation deadlock in 2.6.38 Christoph Hellwig
2011-03-24 23:45 ` Michel Lespinasse
2011-03-28 14:58 ` Sean Noonan
2011-03-28 21:06 ` Michel Lespinasse
2011-03-28 21:34 ` Sean Noonan
2011-03-29 0:25 ` Michel Lespinasse
2011-03-29 1:51 ` Dave Chinner
2011-03-29 2:49 ` Sean Noonan
2011-03-29 19:05 ` Sean Noonan
2011-03-29 19:24 ` 'Christoph Hellwig'
2011-03-29 19:39 ` Johannes Weiner
2011-03-29 19:43 ` 'Christoph Hellwig'
2011-03-29 19:46 ` Sean Noonan
2011-03-29 20:02 ` 'Christoph Hellwig'
2011-03-29 20:23 ` Sean Noonan
2011-03-29 22:42 ` Dave Chinner
2011-03-29 22:45 ` Sean Noonan
2011-03-30 9:23 ` 'Christoph Hellwig'
2011-03-29 19:54 ` Sean Noonan
2011-03-30 0:09 ` Dave Chinner
2011-03-30 1:32 ` Sean Noonan
2011-03-30 1:44 ` Dave Chinner
2011-03-30 1:52 ` Sean Noonan
2011-03-30 9:30 ` 'Christoph Hellwig' [this message]
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