From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joe Thornber Subject: Re: test needed for a dm-bufio patch Date: Tue, 9 Jul 2013 18:00:49 +0100 Message-ID: <20130709170048.GA25314@debian> References: Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Mikulas Patocka Cc: dm-devel@redhat.com, "Alasdair G. Kergon" List-Id: dm-devel.ids On Tue, Jul 02, 2013 at 05:51:50PM -0400, Mikulas Patocka wrote: > Hi Joe > > Could you please try this patch > http://people.redhat.com/agk/patches/linux/editing/dm-bufio-submit-writes-outside-lock.patch > and test if it generates some regressions for dm-thin? Hi Mikulas, I've run a couple of cache tests and don't see any regressions. performance is similar. I'll include it in my tree since it seems to be a good thing. - Joe