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SubjectRe: [Bug 14354] Re: ext4 increased intolerance to unclean shutdown?
Parag Warudkar wrote:
> On Tue, Oct 27, 2009 at 6:15 AM, Aneesh Kumar K.V
> <> wrote:
>> Can you try this patch ?
>> commit a8836b1d6f92273e001012c7705ae8f4c3d5fb65
>> Author: Aneesh Kumar K.V <>
>> 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 /).

I've been running my testcase, and I just hit the usual corruption with
this patch in place after 8 iterations, I'm afraid.


> Parag
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