[Ocfs2-devel] [PATCH 6/8] ocfs2/dlm: Add message DLM_QUERY_HBREGION

[Wengang Wang]

Got your idea. Thanks for explaination!

regards,
wengang.
On 10-07-29 10:22, Sunil Mushran wrote:
> On 07/28/2010 10:03 PM, Wengang Wang wrote:
> >Yes, I can see what you are doing there.
> >But you are comparing twice. I was emphasising "again" :)
> >The bhregions is like a collection. we say collection A is equal to
> >collection B, it can mean the number is equal, and all elements in
> >collection A are all in collection B. So no need to compare each region
> >again.
> 
> Sorry, my example was not correct. What if node sends regions A, B, A
> while the receiving node expects A, B, C. It should not happen.
> But considering we rely on the hb regions being consistent, we can
> never be too careful.
> 
> Agreed, I can come up with another scheme. But here the max
> is small. And in such cases, brute force typically works best.