On Wed, 2024-08-14 at 08:46 +0300, Roi Azarzar wrote: > scenario 1 that I tested - 2 opens from the same client different > owners (pcap attached). > I'm wondering what should be the behavior in case the server received > 2 opens with access read with want_read_deleg. > I thought the server should give the same delegation state in the 2nd > open and increase the seqid but I see the server doesn't grant > delegation at all, can you explain it please? > An open stateid can only have one owner, so when you issue the OPEN request with a different owner, the server has to issue you a new stateid. Delegations are a bit different, since they are issued to the client, and not to a specific openowner. The server will not issue more than one delegation to a client at a time, which is why it didn't issue one here. > Another behavior that I'm trying to understand is size,change attrs > in cb_getattr, I tested the following scenario: > > client 1 open for write > client 1 write > client 2 do stat on file > client 1 write again > client 2 do stat on file again > > Each stat caused the serv to send cb_geattr but in the response from > the client I saw the same change and size values, can you explain it? > > both serv and client versions > > > > ]$ uname -r > > 6.10.3-custom > That sounds like a client bug. -- Jeff Layton <jlayton@xxxxxxxxxx>
