linux-ext4 - RE: [patch 1/1] ext4-fix-dirty-extent-when-origin-leaf-extent-reac.patch

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Message-ID: <BLU157-W54420DD5C05CB38610F67DAF00@phx.gbl>
Date:	Tue, 27 Sep 2011 10:22:48 +0800
From:	MaoXiaoyun <tinnycloud@...mail.com>
To:	<konrad.wilk@...cle.com>
CC:	<linux-ext4@...r.kernel.org>,
	xen devel <xen-devel@...ts.xensource.com>, <tytso@....edu>,
	<jack@...e.cz>, <jeremy@...p.org>
Subject: RE: [patch 1/1]
 ext4-fix-dirty-extent-when-origin-leaf-extent-reac.patch




----------------------------------------
> Date: Mon, 26 Sep 2011 10:28:08 -0400
> From: konrad.wilk@...cle.com
> To: tinnycloud@...mail.com
> CC: linux-ext4@...r.kernel.org; xen-devel@...ts.xensource.com; tytso@....edu; jack@...e.cz
> Subject: Re: [patch 1/1] ext4-fix-dirty-extent-when-origin-leaf-extent-reac.patch
>
> On Sun, Sep 25, 2011 at 04:45:39PM +0800, MaoXiaoyun wrote:
> >
> >
> > Hi:
> >
> > We met an ext4 BUG_ON in extents.c:1716 which crash kernel flush thread, and result in disk unvailiable.
> >
> > BUG details refer to: http://www.gossamer-threads.com/lists/xen/devel/217091?do=post_view_threaded
> >
> > Attached is the fix, verified in our env.
>
> So.. you are asking for this upstream git commit to be back-ported to 2.6.32, right?
>
 
The patch is for 2.6.39. It can be patched on 2.6.32 too.
Thanks.

> >
> > Without this patch, more than 3 servers hit BUG_ON in our hundreds of servers every day.
> >
> >
> > many thanks.
>
> 		 	   		  
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