Re: [PATCH 0/4] Plugging changes for blk/md/umem

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On Tue, 31 Jul 2012 09:33:35 +0200 Jens Axboe <axboe@xxxxxxxxx> wrote:

> On 07/31/2012 09:25 AM, NeilBrown wrote:
> > On Tue, 31 Jul 2012 09:08:55 +0200 Jens Axboe <axboe@xxxxxxxxx> wrote:
> > 
> >> On 07/26/2012 04:58 AM, NeilBrown wrote:
> >>> Hi Jens,
> >>>  the following series makes a number of changes to plugging, moving
> >>>  common code from md and umem into block, and modifying it to allow
> >>>  md to get more value out of it.
> >>>  They've been sitting in -next for a while.
> >>>  Are you OK with me forwarding them to Linus, or would you rather they
> >>>  went though your tree?
> >>
> >> Thanks Neil, looks good. I will apply them to my tree and do some basic
> >> testing, too, then push it off for this round (where I haven't pushed
> >> out yet).
> >>
> > 
> > Thanks Jens,
> >  However I've just today discovered that the very first patch causes a real
> >  regression in throughput for RAID5 and while I'm sure I can fix it with a
> >  subsequent patch (once I figure out exactly what it happening) it might make
> >  sense to hold them all back for 3.7.
> > 
> >  However if you would like to take them now and fix up later (it is only a
> >  performance regression so it won't really affect bisection) I can work with
> >  that.
> 
> If you're confident we can fix it in this cycle (sounds like it, if you
> have a grasp on the situation), then I don't think that should stop us.
> 

Sounds like a plan.
I have a few md patches queue which depend on those plugging patches, so if
you could cc me when you send you pull request (which Linus is keen for "by
Wedneday at the latest" I gather), I'll sort my tree out and send my pull
request.

Thanks,
NeilBrown

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