From mboxrd@z Thu Jan 1 00:00:00 1970 From: Lars Marowsky-Bree Subject: Re: [dm-devel] [PATCH 2/3] dm raid1: add interface to set resync speed Date: Fri, 30 Nov 2012 12:39:28 +0100 Message-ID: <20121130113928.GO29064@suse.de> References: <1353565673-4233-1-git-send-email-gzhao@suse.com> <1353565673-4233-3-git-send-email-gzhao@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Content-Disposition: inline In-Reply-To: <1353565673-4233-3-git-send-email-gzhao@suse.com> Sender: linux-kernel-owner@vger.kernel.org To: device-mapper development , linux-kernel@vger.kernel.org List-Id: dm-devel.ids On 2012-11-22T14:27:52, Guangliang Zhao wrote: Hi Guangliang, thanks for adding this. I think this approach is a good direction to take, just one feedback: > Add ioctl to control resync speed, userspace tool > is dmsetup message, message format is: > dmsetup message $device 0 "set $speed" > e.g. > dmsetup message /dev/dm-2 "set 12345" I think this should be "set-max-resync-rate" or something; "set" is ver= y generic and not very extensible going forward, should the need arise. Regards, Lars --=20 Architect Storage/HA SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imend=F6= rffer, HRB 21284 (AG N=FCrnberg) "Experience is the name everyone gives to their mistakes." -- Oscar Wil= de