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xen-devel
[Xen-devel] RE: [patch 1/1] ext4-fix-dirty-extent-when-origin-leaf-exten
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To: |
<konrad.wilk@xxxxxxxxxx> |
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Subject: |
[Xen-devel] RE: [patch 1/1] ext4-fix-dirty-extent-when-origin-leaf-extent-reac.patch |
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From: |
MaoXiaoyun <tinnycloud@xxxxxxxxxxx> |
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Date: |
Tue, 27 Sep 2011 10:22:48 +0800 |
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Cc: |
jack@xxxxxxx, jeremy@xxxxxxxx, linux-ext4@xxxxxxxxxxxxxxx, tytso@xxxxxxx, xen devel <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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Mon, 26 Sep 2011 19:23:48 -0700 |
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Normal |
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<20110926142808.GG4102@xxxxxxxxxxxxxxxxx> |
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<BLU157-W499E698F650F554E645F9DDA1C0@xxxxxxx>, <20110906145347.GA4133@xxxxxxxxxxxx>, <BLU157-W4106FA4CF4EBA78C63FDA0DA1C0@xxxxxxx>, <4E666C86.5090707@xxxxxxxx>, <BLU157-W323C330706CB8D7E976BC3DA1F0@xxxxxxx>, <BLU157-W7DABA5FE01C50C29B1A64DA060@xxxxxxx>, <BLU157-W25EB1EAC24CC11FA14859ADAF20@xxxxxxx>, <20110926142808.GG4102@xxxxxxxxxxxxxxxxx> |
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----------------------------------------
> 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.
> >
> > Without this patch, more than 3 servers hit BUG_ON in our hundreds of
> > servers every day.
> >
> >
> > many thanks.
>
>
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