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From: Alex Elder <elder@inktank.com>
To: ceph-devel@vger.kernel.org
Subject: Re: [PATCH] rbd: flush dcache after zeroing page data
Date: Thu, 23 May 2013 07:13:00 -0500	[thread overview]
Message-ID: <519E07CC.6010208@inktank.com> (raw)
In-Reply-To: <519E0781.4000603@inktank.com>

On 05/23/2013 07:11 AM, Alex Elder wrote:
> Neither zero_bio_chain() nor zero_pages() contains a call to flush
> caches after zeroing a portion of a page.  This can cause problems
> on architectures that have caches that allow virtual address
> aliasing.
> 
> This resolves:
>     http://tracker.ceph.com/issues/4777
> 
> Signed-off-by: Alex Elder <elder@inktank.com>

This patch and the other two I just posted are available in the
"review/wip-rbd" branch of the ceph-client git repository.

					-Alex

  reply	other threads:[~2013-05-23 12:13 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-05-23 12:11 [PATCH] rbd: flush dcache after zeroing page data Alex Elder
2013-05-23 12:13 ` Alex Elder [this message]
2013-05-23 18:54 ` Josh Durgin

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