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authorAndy Adamson <andros@netapp.com>2009-07-23 19:02:15 -0400
committerJ. Bruce Fields <bfields@citi.umich.edu>2009-07-28 14:30:23 -0400
commit88e588d56a2f0226a34386b94a03fda97d2b8e67 (patch)
treea190c3618ed4772c9f9b36a948be33b5368fecba /fs/nfsd/nfs4state.c
parent5261dcf8eb3d098545a676030910cf2c05a00e6c (diff)
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>
Diffstat (limited to 'fs/nfsd/nfs4state.c')
-rw-r--r--fs/nfsd/nfs4state.c24
1 files changed, 13 insertions, 11 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 0be417e3aab..99df8e7a687 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;