[dm-devel] [PATCH 2/3] dm raid1: add interface to set resync speed

Guangliang Zhao gzhao at suse.com
Mon Dec 3 09:12:42 UTC 2012


On Fri, Nov 30, 2012 at 12:39:28PM +0100, Lars Marowsky-Bree wrote:
> On 2012-11-22T14:27:52, Guangliang Zhao <gzhao at suse.com> 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 very
> generic and not very extensible going forward, should the need arise.
That's would be more clear, thanks.

> 
> Regards,
>     Lars
> 
> -- 
> Architect Storage/HA
> SUSE LINUX Products GmbH, GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer, HRB 21284 (AG Nürnberg)
> "Experience is the name everyone gives to their mistakes." -- Oscar Wilde
> 
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-- 
Best regards,
Guangliang




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