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SubjectRe: 2.5.12 severe ext3 filesystem corruption warning!


On Thu, 2 May 2002, Andrew Morton wrote:
> A few things..
>
[snip]

Andrew, judging by the filenames he'd mentioned, I suspect that he runs
innd. I.e. one of the very few programs heavily using truncate(). And
no, it doesn't promise anything good - last time we had crap in truncate/mmap
interaction it was a hell to fix.

I suspect that you had screwed the truncate exclusion warranties up. If
_any_ IO happens in the area currently manipulated by ->truncate() - you
are screwed and results would look pretty much like the things mentioned
in bug report.

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