[NFS-Ganesha-Devel] Re: Callbacks supported with 4.1

Since we don't implement callbacks or fairness, we could just drop locks of type STATE_NFSV4_BLOCKING? The current code might be there to implement callback in future though, just trying to understand the code. Regards, Malahal. On Thu, Jul 2, 2020 at 12:10 AM Frank Filz <ffilzlnx(a)mindspring.com&gt; wrote: > Yea, the notify lock callback is not supported, that would take some > effort to implement non-blocking locks for NFS v4.1 which is complicated in > that I'm not sure if the callback is a guaranteed deal, that the client > will send some kind of cancellation if it gives up waiting for a blocked > lock, If not, then we need to time out 4.x blocked locks. We also have to > make them provisional until the client actually comes back with a new lock > request, which means they COULD be handed out to another client in the > meantime. This provisional (or courtesy) behavior may be hard to assure in > a cluster or even a single node where there are other processes using > locking on the same file system (since the courtesy lock would be a normal > held lock on the backend - Ganesha can only give a conflicting lock out and > cancel the courtesy lock for locks that come through that Ganesha instance). > > Frank > > > -----Original Message----- > > From: Daniel Gryniewicz [mailto:dang@redhat.com] > > Sent: Wednesday, July 1, 2020 7:21 AM > > To: devel(a)lists.nfs-ganesha.org > > Subject: [NFS-Ganesha-Devel] Re: Callbacks supported with 4.1 > > > > It appears the implemented callbacks are layout recall, device notify, > delegation > > recall, and getattr. You can check the callpoints of > > nfs_rpc_cb_single() to see which callbacks are sent. > > > > Daniel > > > > On 7/1/20 9:13 AM, Trishali Nayar wrote: > > > Hi all, > > > > > > Recently while doing some testing we observed that CB_NOTIFY_LOCK > > > callback does not seem to supported by Ganesha. Is that understanding > > correct? > > > > > > Also, any insights on the 4.1 callbacks that we do support, would be > > > good to know. The RFC mentions quite a few of them. > > > > > > Thanks and regards, > > > Trishali. > > > > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > Trishali Nayar > > > IBM Systems > > > ETZ, Pune. > > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > > > > > > > _______________________________________________ > > > Devel mailing list -- devel(a)lists.nfs-ganesha.org To unsubscribe send > > > an email to devel-leave(a)lists.nfs-ganesha.org > > > > > _______________________________________________ > > Devel mailing list -- devel(a)lists.nfs-ganesha.org To unsubscribe send > an email to > > devel-leave(a)lists.nfs-ganesha.org > _______________________________________________ > Devel mailing list -- devel(a)lists.nfs-ganesha.org > To unsubscribe send an email to devel-leave(a)lists.nfs-ganesha.org >