From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Whitehouse Date: Fri, 14 Jan 2011 22:02:30 +0000 Subject: [Cluster-devel] GFS2: Post-VFS scale update for RCU path walk In-Reply-To: References: <1295020721.2451.39.camel@dolmen> Message-ID: <1295042550.2451.41.camel@dolmen> List-Id: To: cluster-devel.redhat.com MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Hi, On Sat, 2011-01-15 at 08:54 +1100, Nick Piggin wrote: > On Sat, Jan 15, 2011 at 2:58 AM, Steven Whitehouse wrote: > > > > We can allow a few more cases to use RCU path walking than > > originally allowed. It should be possible to also enable > > RCU path walking when the glock is already cached. Thats > > a bit more complicated though, so left for a future patch. > > Cool, thanks for taking a look. GFS2 also has a .d_revalidate, right? You'll > want to permit rcu-walk for that guy as well in order for it all to work. Any > chance of that? Yes, I'll add that to the list as well, however it will probably require the glock change I mentioned in the comment above to make it worth doing. I'll certainly take a look though, Steve.