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Re: mmap vs mtime in 2.6.26 and up

To: Ferenc Wagner <wferi@xxxxxxx>
Subject: Re: mmap vs mtime in 2.6.26 and up
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Sat, 26 Sep 2009 09:10:43 -0400
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, Ray Lee <ray-lk@xxxxxxxxxxxxx>, Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Peter Staubach <staubach@xxxxxxxxxx>, Miklos Szeredi <mszeredi@xxxxxxx>, xfs@xxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx
In-reply-to: <87vdj742dt.fsf@xxxxxxxxxxxxx>
References: <20090518114305.GA6303@xxxxxxxxxxxxx> <87vdj742dt.fsf@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.19 (2009-01-05)
On Fri, Sep 25, 2009 at 02:47:42PM +0200, Ferenc Wagner wrote:
> I added some fresh test results to
> http://bugzilla.kernel.org/show_bug.cgi?id=2645.  In short, under
> 2.6.30-rc8 the test program reports full failure on XFS and RAMFS,
> full success on EXT3, VFAT and ReiserFS, and mixed results on TMPFS:

There's a patch queued up for inclusion in 2.6.32 to work around this
issue in XFS.  The lack of a proper callout from the VFS still makes
this a much less than ideal solution.

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