[dm-devel] Bcache upstreaming

Tejun Heo tj at kernel.org
Fri Feb 1 15:30:19 UTC 2013


On Fri, Feb 01, 2013 at 07:27:43AM -0800, Kent Overstreet wrote:
> > > Kent was talking about using MD (and though he isn't opposed to DM he
> > > doesn't care to integrate with DM himself).  Either DM or MD would
> > > implicitly enable bcache to use this interface.  But in the near-term I
> > > cannot see why Kent shouldn't be able to use bd_link_disk_holder too.
> > 
> > Being part of dm or dm should make this mostly irrelevant, no?
> 
> Yeah, but who knows when that'll actually happen and since this is for
> userspace I'm just going to call it. The refcounting won't affect me,
> and using it in bcache won't affect ripping that out.

Yeah, I don't see any problem regarding user-visible behavior.  Please
go ahead.  It's just gross internally and I wanted someone to do
something about it before spreading its misuse (depending on the
refs).

Thanks.

-- 
tejun




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