linux-kernel - Re: [RFC][PATCH] dm-cache (block level disk cache target): UPDATE

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <20111019162534.GI15908@one.firstfloor.org>
Date:	Wed, 19 Oct 2011 18:25:34 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Stephen Bromfield <s.bromfield@...il.com>
Cc:	Andi Kleen <andi@...stfloor.org>, linux-kernel@...r.kernel.org,
	dm-cache@...glegroups.com
Subject: Re: [RFC][PATCH] dm-cache (block level disk cache target): UPDATE

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/