From: Andy Adamson <andros@netapp.com>
Date: Thu, 23 Jul 2009 23:02:15 +0000 (-0400)
Subject: nfsd41: change check_slot_seqid parameters
X-Git-Tag: v2.6.32-rc1~412^2~56
X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=commitdiff_plain;h=88e588d56a2f0226a34386b94a03fda97d2b8e67

nfsd41: change check_slot_seqid parameters

For separation of session slot and clientid slot processing.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
---

diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 0be417e..99df8e7 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1309,26 +1309,26 @@ error:
 }
 
 static int
-check_slot_seqid(u32 seqid, struct nfsd4_slot *slot)
+check_slot_seqid(u32 seqid, u32 slot_seqid, int slot_inuse)
 {
-	dprintk("%s enter. seqid %d slot->sl_seqid %d\n", __func__, seqid,
-		slot->sl_seqid);
+	dprintk("%s enter. seqid %d slot_seqid %d\n", __func__, seqid,
+		slot_seqid);
 
 	/* The slot is in use, and no response has been sent. */
-	if (slot->sl_inuse) {
-		if (seqid == slot->sl_seqid)
+	if (slot_inuse) {
+		if (seqid == slot_seqid)
 			return nfserr_jukebox;
 		else
 			return nfserr_seq_misordered;
 	}
 	/* Normal */
-	if (likely(seqid == slot->sl_seqid + 1))
+	if (likely(seqid == slot_seqid + 1))
 		return nfs_ok;
 	/* Replay */
-	if (seqid == slot->sl_seqid)
+	if (seqid == slot_seqid)
 		return nfserr_replay_cache;
 	/* Wraparound */
-	if (seqid == 1 && (slot->sl_seqid + 1) == 0)
+	if (seqid == 1 && (slot_seqid + 1) == 0)
 		return nfs_ok;
 	/* Misordered replay or misordered new request */
 	return nfserr_seq_misordered;
@@ -1351,7 +1351,8 @@ nfsd4_create_session(struct svc_rqst *rqstp,
 
 	if (conf) {
 		slot = &conf->cl_slot;
-		status = check_slot_seqid(cr_ses->seqid, slot);
+		status = check_slot_seqid(cr_ses->seqid, slot->sl_seqid,
+					  slot->sl_inuse);
 		if (status == nfserr_replay_cache) {
 			dprintk("Got a create_session replay! seqid= %d\n",
 				slot->sl_seqid);
@@ -1376,7 +1377,8 @@ nfsd4_create_session(struct svc_rqst *rqstp,
 		}
 
 		slot = &unconf->cl_slot;
-		status = check_slot_seqid(cr_ses->seqid, slot);
+		status = check_slot_seqid(cr_ses->seqid, slot->sl_seqid,
+					  slot->sl_inuse);
 		if (status) {
 			/* an unconfirmed replay returns misordered */
 			status = nfserr_seq_misordered;
@@ -1477,7 +1479,7 @@ nfsd4_sequence(struct svc_rqst *rqstp,
 	slot = &session->se_slots[seq->slotid];
 	dprintk("%s: slotid %d\n", __func__, seq->slotid);
 
-	status = check_slot_seqid(seq->seqid, slot);
+	status = check_slot_seqid(seq->seqid, slot->sl_seqid, slot->sl_inuse);
 	if (status == nfserr_replay_cache) {
 		cstate->slot = slot;
 		cstate->session = session;