On Tue, 4 Jun 2013 07:46:40 -0700 Christoph Hellwig <h...@infradead.org> wrote:
> Having RCU for modification mostly workloads never is a good idea, so > I don't think it makes sense to mention it here. > > If you care about the overhead it's worth trying to use per-cpu lists, > though. > Yeah, I looked at those too in an earlier set and it did help some. Moving to a hashtable for the blocked_list really seemed to help the most there, but percpu lists with lglocks or something might help a lot on the file_lock_list. -- Jeff Layton <jlay...@redhat.com>