Hi Martin, > This will fail because sdb is non-existent at the time you try - no? Non-existent paths in merger uevents do not affect the entire algorithm. It should be considered at the time of implementation.
Your suggestion is meaningful, but I think we need to focus on the existed problem, resolve it, and then do more work to make it better in other areas. is not it? Regards,Tang 发件人: Martin Wilck <mwi...@suse.com> 收件人: tang.jun...@zte.com.cn, 抄送: dm-devel@redhat.com 日期: 2016/11/18 16:31 主题: Re: Re: Re: [dm-devel] Improve processing efficiency for addition and deletion of multipath devices On Fri, 2016-11-18 at 16:24 +0800, tang.jun...@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 <mwi...@suse.com>, Tel. +49 (0)911 74053 2107 SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard, Graham Norton HRB 21284 (AG Nürnberg)
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