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

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Message-Id: <4E81AEFE0200007800057F72@nat28.tlf.novell.com>
Date:	Tue, 27 Sep 2011 10:09:50 +0100
From:	"Jan Beulich" <JBeulich@...e.com>
To:	"MaoXiaoyun" <tinnycloud@...mail.com>
Cc:	<jeremy@...p.org>, "xen devel" <xen-devel@...ts.xensource.com>,
	<tytso@....edu>, <konrad.wilk@...cle.com>, <jack@...e.cz>,
	<linux-ext4@...r.kernel.org>
Subject: [Xen-devel] RE: [patch 1/1]
	 ext4-fix-dirty-extent-when-origin-leaf-extent-reac.patch

>>> On 27.09.11 at 04:22, MaoXiaoyun <tinnycloud@...mail.com> wrote:

> 
> 
> ----------------------------------------
>> 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.

So why don't you suggest applying this to the stable tree maintainers
instead? xen-devel really isn't the right forum for this sort of bug fixes,
particularly when the underlying kernel.org tree is still being maintained.

Jan

>> >
>> > Without this patch, more than 3 servers hit BUG_ON in our hundreds of 
> servers every day.
>> >
>> >
>> > many thanks.
>>
>> 		 	   		  
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@...ts.xensource.com 
> http://lists.xensource.com/xen-devel 



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