RE: LVM on md0: raid0_make_request bug: can't convert block across chunks or bigger than 64k

[Karl Vogel]

> > Somebody else referred to this posting:
> >   http://marc.theaimsgroup.com/?l=linux-kernel&m=103369952814053&w=2
> > 
> > but that patch doesn't apply cleanly anymore and I'm not 
> familiar with
> > the code to be confident to fix it up myself. (that post 
> was from almost
> > exactly 1 year ago, so alot changed probably :)
> 
> That patch is already included.
> 
> The problem is that dm is not honouring the merge_bvec_fn that
> raid0 has set.
> 
> This patch might fix it, but I'm not very familiar with the dm code,
> so I make no promises.

I will give it a shot when I get home.

> (I wonder why you are running LVM on top of raid0 given that lvm
> contains raid0 functionality).
> 
> NeilBrown

Historical reasons.. but since it worked, I never changed it.. and now it
makes for a good test case :)

Thx,
Karl
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