[Bug 14354] Bad corruption with 2.6.32-rc1 and upwards

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http://bugzilla.kernel.org/show_bug.cgi?id=14354





--- Comment #144 from Anonymous Emailer <anonymous@kernel-bugs.osdl.org>  2009-10-29 21:25:20 ---
Reply-To: parag.lkml@gmail.com

On Tue, Oct 27, 2009 at 6:15 AM, Aneesh Kumar K.V
<aneesh.kumar@linux.vnet.ibm.com> wrote:
> Can you try this patch ?
>
> commit a8836b1d6f92273e001012c7705ae8f4c3d5fb65
> Author: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
> Date:   Tue Oct 27 15:36:38 2009 +0530
>
>    ext4: discard preallocation during truncate
>
>    We need to make sure when we drop and reacquire the inode's
>    i_data_sem we discard the inode preallocation. Otherwise we
>    could have blocks marked as free in bitmap but still belonging
>    to prealloc space.

Just wanted to let you know that I have applied this patch and one
unclean shutdown later it seems to have not given me any trouble.

I will continue testing it - hopefully I won't have to reformat  this
time ( every time I tested previously I ended up having weird issues
that I decided to get rid of by reformatting /).

Parag

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