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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>
This commit is contained in:
Andy Adamson 2009-07-23 19:02:15 -04:00 committed by J. Bruce Fields
parent 5261dcf8eb
commit 88e588d56a
1 changed files with 13 additions and 11 deletions
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24
fs/nfsd/nfs4state.c
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@ -1309,26 +1309,26 @@ nfsd4_exchange_id(struct svc_rqst *rqstp,
}
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;