From: Andi Kleen <andi@firstfloor.org>
To: Stephen Bromfield <s.bromfield@gmail.com>
Cc: Andi Kleen <andi@firstfloor.org>,
linux-kernel@vger.kernel.org, dm-cache@googlegroups.com
Subject: Re: [RFC][PATCH] dm-cache (block level disk cache target): UPDATE
Date: Wed, 19 Oct 2011 18:25:34 +0200 [thread overview]
Message-ID: <20111019162534.GI15908@one.firstfloor.org> (raw)
In-Reply-To: <CAGWyFtpxuGnOhw7ukE2J+aQddLx6FtnSBvwV=RFaB7-c81GeNA@mail.gmail.com>
On Wed, Oct 19, 2011 at 12:17:58PM -0400, Stephen Bromfield wrote:
> Mr. Kleen,
>
> We are working to make a patch for the 3.1 kernel. Till the patch is
> complete, we hope that some of our users can benefit from this update.
> As for your other comments, DM-cache is a work in progress and we will
> try to address some of your issues in later patches. Thanks for your
> feedback.
Given the GFP_KERNEL issues in the IO path I have doubts the whole
thing will run reliably under high load / low memory.
So you should probably mark it "experimental / may eat your data"
for now.
-Andi
prev parent reply other threads:[~2011-10-19 16:25 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-18 20:46 [RFC][PATCH] dm-cache (block level disk cache target): UPDATE Stephen Bromfield
2011-10-18 20:48 ` Stephen Bromfield
2011-10-19 8:34 ` Hannes Reinecke
2011-10-18 22:19 ` Andi Kleen
2011-10-19 16:17 ` Stephen Bromfield
2011-10-19 16:25 ` Andi Kleen [this message]
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