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SubjectRe: [PATCH] Add ext3 data=guarded mode
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On Thu, 2009-04-16 at 15:42 -0400, Chris Mason wrote:
> Hello everyone,
>
> Here's an updated (v4) patch for ext3 data=guarded mode. The first two
> patches in the series are unchanged, and it looks like Linus pulled them
> in this morning.
>
> This version fixes the bug Mike Galbraith hit. The problem was with
> writes to the last block in the file that made the file bigger but
> didn't actually add a new block. Since the block wasn't new, it
> wouldn't get sent through the guarded code and the on disk i_size wasn't
> always updated.

FWIW, I booted my backup fs drive mounted data=guarded, and have been
hammering it steadily since 6 A.M. with no hint of trouble.

-Mike



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