From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Snitzer Subject: Re: [PATCH v4 1/2] dm-unstripe: unstripe RAID 0/dm-striped device Date: Mon, 18 Dec 2017 14:37:47 -0500 Message-ID: <20171218193746.GB6149@redhat.com> References: <20171218172809.5826-1-scott.bauer@intel.com> <20171218172809.5826-2-scott.bauer@intel.com> <20171218185235.fcxbqb77fv733h5v@sbauer-Z170X-UD5> <20171218193249.GA6149@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20171218193249.GA6149@redhat.com> Sender: linux-kernel-owner@vger.kernel.org To: Scott Bauer Cc: Randy Dunlap , linux-kernel@vger.kernel.org, keith.busch@intel.com, dm-devel@redhat.com, agk@redhat.com, jonathan.derrick@intel.com List-Id: dm-devel.ids On Mon, Dec 18 2017 at 2:32pm -0500, Mike Snitzer wrote: > On Mon, Dec 18 2017 at 1:52pm -0500, > Scott Bauer wrote: > > > > > > > +config DM_UN_STRIPE > > > > + tristate "Transpose IO to individual drives on a raid device" > > > > + depends on BLK_DEV_DM > > > > + ---help--- > > > > + Enable this feature if you with to unstripe I/O on a RAID 0 > > > > + device to the respective drive. If your hardware has physical > > > > + RAID 0 this module can unstripe the I/O to respective sides. > > > > > > What does "sides" mean above? > > > > Should say, "members". There's also an alternative patch set out by Heinz > > that I am currently testing/writing comments for. It looks like we'll use > > his version after I submit my comments (IE take the stuff I put in my v4 > > to fix your comments). > > Can you be more specific? I've not seen anything from Heinz. > > I've been reviewing your v4 and modified it to match dm-stripe.c more > (like Alasdair asked for). When the right hand isn't aware the left is doing something ;) I'll combine my effort with Heinz's. Please don't send another revision until you see what I've come up with. Thanks, Mike