Re: [PATCH 001 of 6] md: Fix an occasional deadlock in raid5

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> heheh.
>
> it's really easy to reproduce the hang without the patch -- i could
> hang the box in under 20 min on 2.6.22+ w/XFS and raid5 on 7x750GB.
> i'll try with ext3... Dan's experiences suggest it won't happen with ext3
> (or is even more rare), which would explain why this has is overall a
> rare problem.
>

Hmmm... how rare?

http://marc.info/?l=linux-kernel&m=119461747005776&w=2

There is nothing specific that prevents other filesystems from hitting
it, perhaps XFS is just better at submitting large i/o's.  -stable
should get some kind of treatment.  I'll take altered performance over
a hung system.

--
Dan
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