linux-kernel - Re: Distributed storage.

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Message-ID: <20070805150154.GA32132@2ka.mipt.ru>
Date:	Sun, 5 Aug 2007 19:01:55 +0400
From:	Evgeniy Polyakov <johnpol@....mipt.ru>
To:	Daniel Phillips <phillips@...nq.net>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org
Subject: Re: Distributed storage.

On Sun, Aug 05, 2007 at 01:06:58AM -0700, Daniel Phillips (phillips@...nq.net) wrote:
> > DST original code worked as device mapper plugin too, but its two
> > additional allocations (io and clone) per block request ended up for
> > me as a show stopper.
> 
> Ah, sorry, I misread.  A show stopper in terms of efficiency, or in 
> terms of deadlock?

At least as in terms of efficiency. Device mapper lives in happy world
where memory does not end and allocations are fast.

-- 
	Evgeniy Polyakov
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