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From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Nick Piggin <npiggin@suse.de>
Cc: linux-fsdevel@vger.kernel.org, Rince <rincebrain@gmail.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org
Subject: Re: NFS BUG_ON in nfs_do_writepage
Date: Tue, 28 Apr 2009 07:59:38 -0400	[thread overview]
Message-ID: <1240919978.7376.7.camel@heimdal.trondhjem.org> (raw)
In-Reply-To: <20090428115449.GD9442@wotan.suse.de>

On Tue, 2009-04-28 at 13:54 +0200, Nick Piggin wrote:
> If the page gets cleaned after page_mkwrite and before the page
> table locks are taken again in order to set the pte writeable.
> (actually, page_mkclean only runs if it finds mapcount elevated,
> so it is enough to clean the page even after the locks are taken
> and before mapcount is incremented in the case of __do_fault).

OK. This was what I was missing...

Thanks!


      reply	other threads:[~2009-04-28 11:59 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-13  5:46 rercola
2009-04-13  6:50 ` Andrew Morton
2009-04-13 19:16   ` Trond Myklebust
2009-04-13 22:06     ` Rince
2009-04-13 23:44       ` Rince
2009-04-24  9:26         ` Rince
2009-04-24 14:14           ` Trond Myklebust
2009-04-25 14:57           ` Trond Myklebust
2009-04-26  6:40             ` Nick Piggin
2009-04-26 14:18               ` Trond Myklebust
2009-04-26 15:13                 ` Nick Piggin
2009-04-26 17:55                   ` Trond Myklebust
2009-04-28  4:27                     ` Nick Piggin
2009-04-28 11:45                       ` Trond Myklebust
2009-04-28 11:54                         ` Nick Piggin
2009-04-28 11:59                           ` Trond Myklebust [this message]

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