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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: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <alpine.LFD.2.00.0904130145050.4396@centaur.acm.jhu.edu>
     [not found] ` <20090412235010.c8e3475b.akpm@linux-foundation.org>
     [not found]   ` <1239650202.16771.15.camel@heimdal.trondhjem.org>
     [not found]     ` <5da0588e0904131506k5c58e8ddob9bf38f61da6302a@mail.gmail.com>
     [not found]       ` <5da0588e0904131644g131dc816r61884e83bc4cd006@mail.gmail.com>
     [not found]         ` <5da0588e0904240226j3454941y5f58c17a32a9a23d@mail.gmail.com>
     [not found]           ` <1240671428.6112.1.camel@heimdal.trondhjem.org>
     [not found]             ` <1240671428.6112.1.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-04-26  6:40               ` NFS BUG_ON in nfs_do_writepage Nick Piggin
2009-04-26 14:18                 ` Trond Myklebust
2009-04-26 15:13                   ` Nick Piggin
2009-04-26 17:55                     ` Trond Myklebust
     [not found]                       ` <1240768522.10548.33.camel-rJ7iovZKK19ZJLDQqaL3InhyD016LWXt@public.gmane.org>
2009-04-28  4:27                         ` Nick Piggin
     [not found]                           ` <20090428042717.GA6304-B4tOwbsTzaBolqkO4TVVkw@public.gmane.org>
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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