Re: 3.12: raid-1 mismatch_cnt question

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On Mon, 11 Nov 2013 13:52:23 -0500 Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>
wrote:


> > 4- Linux or SSD bug on trim, such as trimming wrong offsets killing live
> > data
> > 5- MD does not lock regions during check so returns erroneous mismatches for
> > areas being written. This would be harmless but your mismatches number seems
> > to high to me for this.
> I wonder if this could be it.

I cannot promise that my code is bug free, but if it wasn't getting this
locking correct, that would be a very serious bug.  I think this possibility
is quite unlikely.

NeilBrown

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