On Fri, Jan 09, 2015 at 08:04:05AM +1100, Dave Chinner wrote: > > If the client sends the opaqueue device ID that contains the generation > > after the grow to a server that had crashed / restarted the server > > will reject it as the server starts at zero. The causes the client > > to get a new, valid device ID from the server. > > But if the server fs has a generation number of zero when it > crashes, how does the client tell that it needs a new device ID from > the server? > > > Unlike the NFS file hadles which are persistent the device IDs are volatile > > handles that can go away (and have really horrible life time rules..). > > Right. How the clients detect that "going away" when the device > generation is zero both before and after a server crash is the > question I'm asking.... The server tells the client by rejecting the operation using the device ID. -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html