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

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 27.09.11 at 04:22, MaoXiaoyun <tinnycloud@xxxxxxxxxxx> wrote:

> 
> 
> ----------------------------------------
>> Date: Mon, 26 Sep 2011 10:28:08 -0400
>> From: konrad.wilk@xxxxxxxxxx 
>> To: tinnycloud@xxxxxxxxxxx 
>> CC: linux-ext4@xxxxxxxxxxxxxxx; xen-devel@xxxxxxxxxxxxxxxxxxx; 
>> tytso@xxxxxxx; 
> jack@xxxxxxx 
>> 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.
>>
>>                                        
> 
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