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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
    > <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 /).

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

    -Eric

    > Parag
    > --
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