tree 762fa0cc26480ea302d1ade0a03f222fae958565
parent 9f381a61f58bb6487c93ce2233bb9992f8ea9211
author Andy Adamson <andros@netapp.com> 1304444583 -0400
committer Trond Myklebust <Trond.Myklebust@netapp.com> 1305136893 -0400

NFSv41: Resend on NFS4ERR_RETRY_UNCACHED_REP

Free the slot and resend the RPC with new session <slot#,seq#>.

For nfs4_async_handle_error, return -EAGAIN and set the task->tk_status to 0
to restart the async rpc in the rpc_restart_call_prepare state which resets
the slot.

For nfs4_handle_exception, retrying a call that uses nfs4_call_sync will
reset the slot via nfs41_call_sync_prepare.

For open/close/lock/locku/delegreturn/layoutcommit/unlink/rename/write
cachethis is true, so these operations will not trigger an
NFS4ERR_RETRY_UNCACHED_REP.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>