tree 09a83ba36de8c291582ebcb49136dd64caf66626
parent 2e72448b07dc3ff1b7593e9bfff91db182262857
author Tigran Mkrtchyan <tigran.mkrtchyan@desy.de> 1463044598 +0200
committer Anna Schumaker <Anna.Schumaker@Netapp.com> 1463514475 -0400

nfs4: client: do not send empty SETATTR after OPEN_CREATE

OPEN_CREATE with EXCLUSIVE4_1 sends initial file permission.
Ignoring  fact, that server have indicated that file mod is set, client
will send yet another SETATTR request, but, as mode is already set,
new SETATTR will be empty. This is not a problem, nevertheless
an extra roundtrip and slow open on high latency networks.

This change is aims to skip extra setattr after open  if there are
no attributes to be set.

Signed-off-by: Tigran Mkrtchyan <tigran.mkrtchyan@desy.de>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>