[PATCH 3/5] nfsd41: use session maxreqs for sequence target and highest slotid

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From: Andy Adamson <andros@xxxxxxxxxx>

This fixes a bug in the sequence operation reply.

The sequence operation returns the highest slotid it will accept in the future
in sr_highest_slotid, and the highest slotid it prefers the client to use.
Since we do not re-negotiate the session slot table yet, these should both
always be set to the session ca_maxrequests.

Signed-off-by: Andy Adamson <andros@xxxxxxxxxx>
---
 fs/nfsd/nfs4state.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index a691139..ada10ad 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1129,7 +1129,6 @@ nfsd4_replay_cache_entry(struct nfsd4_compoundres *resp,
 	 * session inactivity timer fires and a solo sequence operation
 	 * is sent (lease renewal).
 	 */
-	seq->maxslots = resp->cstate.session->se_fchannel.maxreqs;
 
 	/* Either returns 0 or nfserr_retry_uncached */
 	status = nfsd4_enc_sequence_replay(resp->rqstp->rq_argp, resp);
@@ -1493,6 +1492,11 @@ nfsd4_sequence(struct svc_rqst *rqstp,
 	slot = &session->se_slots[seq->slotid];
 	dprintk("%s: slotid %d\n", __func__, seq->slotid);
 
+	/* We do not negotiate the number of slots yet, so set the
+	 * maxslots to the session maxreqs which is used to encode
+	 * sr_highest_slotid and the sr_target_slot id to maxslots */
+	seq->maxslots = session->se_fchannel.maxreqs;
+
 	status = check_slot_seqid(seq->seqid, slot->sl_seqid, slot->sl_inuse);
 	if (status == nfserr_replay_cache) {
 		cstate->slot = slot;
-- 
1.6.2.5

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