Handle session level errors, update slot sequence id and
sessions bookeeping, free slot.

[nfs41: sequence res use slotid]
Signed-off-by: Andy Adamson<andros@netapp.com>
Signed-off-by: NBenny Halevy <bhalevy@panasas.com>
[nfs41: remove SEQ4_STATUS_USE_TK_STATUS]
Signed-off-by: NAndy Adamson <andros@netapp.com>
Signed-off-by: NBenny Halevy <bhalevy@panasas.com>
[nfs41: check for session not minorversion]
Signed-off-by: NAndy Adamson <andros@netapp.com>
[nfs41: bail out early out of nfs41_sequence_done if !res->sr_session]
Signed-off-by: NBenny Halevy <bhalevy@panasas.com>
[move nfs4_sequence_done from nfs41: nfs41_call_sync_done]
Signed-off-by: NAndy Adamson <andros@netapp.com>
[move nfs4_sequence_free_slot from nfs41: separate free slot from sequence done]
    Don't free the slot until after all rpc_restart_calls have completed.
    Session reset will require more work.
Signed-off-by: NAndy Adamson <andros@netapp.com>
Signed-off-by: NBenny Halevy <bhalevy@panasas.com>
[moved reset sr_slotid to nfs41_sequence_free_slot]
[free slot also on unexpectecd error]
[remove seq_res.sr_session member, use nfs_client's instead]
[ditch seq_res.sr_flags until used]
Signed-off-by: NAndy Adamson <andros@netapp.com>
Signed-off-by: NBenny Halevy <bhalevy@panasas.com>
[look at sr_slotid for bailing out early from nfs41_sequence_done]
[nfs41: rpc_wake_up_next if sessions slot was not consumed.]
Signed-off-by: NBenny Halevy <bhalevy@panasas.com>
[nfs41: nfs4_sequence_free_slot use nfs_client for data server]
Signed-off-by: NAndy Adamson <andros@netapp.com>
Signed-off-by: NBenny Halevy <bhalevy@panasas.com>
[nfs41: remove unused error checking in nfs41_sequence_done]
Signed-off-by: NAndy Adamson <andros@netapp.com>
[nfs41: remove nfs4_has_session check in nfs41_sequence_done]
Signed-off-by: NAndy Adamson <andros@netapp.com>
[nfs41: remove nfs_client pointer check]
Signed-off-by: NAndy Adamson <andros@netapp.com>
Signed-off-by: NBenny Halevy <bhalevy@panasas.com>
Signed-off-by: NTrond Myklebust <Trond.Myklebust@netapp.com>