[dm-devel] Improve processing efficiency for addition and deletion of multipath devices

[Martin Wilck]

On Fri, 2016-11-18 at 16:24 +0800, tang.junhui at zte.com.cn wrote:
> Hi Martin, 
> 
> In your case, my action is: 
> 1) merger uevents 1) 2) to one uevent "add sda sdb", and process them
> togother 

This will fail because sdb is non-existent at the time you try - no?

> Though the processing efficiency in such scenario is lower than
> yours, but it is simple and reliable,
> more importantly, Martin, you still focus on such special scene,
> which I concerned is like this: 

[...]

I understand what you're concerned with. I just think we need to do
both. I agree that many events for many different devices are more
likely. But once you start merging, you'd rather be prepared for
several events for the same phys device, too.

Martin

-- 
Dr. Martin Wilck <mwilck at suse.com>, Tel. +49 (0)911 74053 2107
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