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authorJ. Bruce Fields <bfields@redhat.com>2011-08-22 10:07:12 -0400
committerJ. Bruce Fields <bfields@redhat.com>2011-08-27 14:21:25 -0400
commit28dde241cc65c9464b7627d9a9ed3a66e4df2586 (patch)
tree04493c82150823594091393b52db2153286fe6b0
parentff194bd95959ea9047d536b4f4ad6a992754e48d (diff)
nfsd4: remove HAS_SESSION
This flag doesn't really buy us anything. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
-rw-r--r--fs/nfsd/nfs4state.c30
-rw-r--r--fs/nfsd/state.h3
-rw-r--r--fs/nfsd/xdr4.h2
3 files changed, 12 insertions, 23 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 3e64288399f..14c8dd64e13 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3168,13 +3168,13 @@ grace_disallows_io(struct inode *inode)
return locks_in_grace() && mandatory_lock(inode);
}
-static int check_stateid_generation(stateid_t *in, stateid_t *ref, int flags)
+static int check_stateid_generation(stateid_t *in, stateid_t *ref, bool has_session)
{
/*
* When sessions are used the stateid generation number is ignored
* when it is zero.
*/
- if ((flags & HAS_SESSION) && in->si_generation == 0)
+ if (has_session && in->si_generation == 0)
goto out;
/* If the client sends us a stateid from the future, it's buggy: */
@@ -3206,7 +3206,7 @@ static int is_open_stateid(struct nfs4_stateid *stateid)
return stateid->st_openstp == NULL;
}
-__be32 nfs4_validate_stateid(stateid_t *stateid, int flags)
+__be32 nfs4_validate_stateid(stateid_t *stateid, bool has_session)
{
struct nfs4_stateid *stp = NULL;
__be32 status = nfserr_stale_stateid;
@@ -3223,7 +3223,7 @@ __be32 nfs4_validate_stateid(stateid_t *stateid, int flags)
if (!stp->st_stateowner->so_confirmed)
goto out;
- status = check_stateid_generation(stateid, &stp->st_stateid, flags);
+ status = check_stateid_generation(stateid, &stp->st_stateid, has_session);
if (status)
goto out;
@@ -3251,9 +3251,6 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,
if (grace_disallows_io(ino))
return nfserr_grace;
- if (nfsd4_has_session(cstate))
- flags |= HAS_SESSION;
-
if (ZERO_STATEID(stateid) || ONE_STATEID(stateid))
return check_special_stateids(current_fh, stateid, flags);
@@ -3270,8 +3267,7 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,
dp = find_delegation_stateid(ino, stateid);
if (!dp)
goto out;
- status = check_stateid_generation(stateid, &dp->dl_stateid,
- flags);
+ status = check_stateid_generation(stateid, &dp->dl_stateid, nfsd4_has_session(cstate));
if (status)
goto out;
status = nfs4_check_delegmode(dp, flags);
@@ -3292,7 +3288,7 @@ nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,
if (!stp->st_stateowner->so_confirmed)
goto out;
status = check_stateid_generation(stateid, &stp->st_stateid,
- flags);
+ nfsd4_has_session(cstate));
if (status)
goto out;
status = nfs4_check_openmode(stp, flags);
@@ -3421,9 +3417,6 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
if (STALE_STATEID(stateid))
return nfserr_stale_stateid;
- if (nfsd4_has_session(cstate))
- flags |= HAS_SESSION;
-
/*
* We return BAD_STATEID if filehandle doesn't match stateid,
* the confirmed flag is incorrecly set, or the generation
@@ -3457,7 +3450,7 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
if (lock->lk_is_new) {
if (!sop->so_is_open_owner)
return nfserr_bad_stateid;
- if (!(flags & HAS_SESSION) &&
+ if (!nfsd4_has_session(cstate) &&
!same_clid(&clp->cl_clientid, lockclid))
return nfserr_bad_stateid;
/* stp is the open stateid */
@@ -3482,7 +3475,7 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
* For the moment, we ignore the possibility of
* generation number wraparound.
*/
- if (!(flags & HAS_SESSION) && seqid != sop->so_seqid)
+ if (!nfsd4_has_session(cstate) && seqid != sop->so_seqid)
goto check_replay;
if (sop->so_confirmed && flags & CONFIRM) {
@@ -3495,7 +3488,7 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
" confirmed yet!\n");
return nfserr_bad_stateid;
}
- status = check_stateid_generation(stateid, &stp->st_stateid, flags);
+ status = check_stateid_generation(stateid, &stp->st_stateid, nfsd4_has_session(cstate));
if (status)
return status;
renew_client(sop->so_client);
@@ -3679,14 +3672,11 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
stateid_t *stateid = &dr->dr_stateid;
struct inode *inode;
__be32 status;
- int flags = 0;
if ((status = fh_verify(rqstp, &cstate->current_fh, S_IFREG, 0)))
return status;
inode = cstate->current_fh.fh_dentry->d_inode;
- if (nfsd4_has_session(cstate))
- flags |= HAS_SESSION;
nfs4_lock_state();
status = nfserr_bad_stateid;
if (ZERO_STATEID(stateid) || ONE_STATEID(stateid))
@@ -3701,7 +3691,7 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
dp = find_delegation_stateid(inode, stateid);
if (!dp)
goto out;
- status = check_stateid_generation(stateid, &dp->dl_stateid, flags);
+ status = check_stateid_generation(stateid, &dp->dl_stateid, nfsd4_has_session(cstate));
if (status)
goto out;
renew_client(dp->dl_client);
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 12c1b1ef52e..f02badd70cf 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -439,7 +439,6 @@ struct nfs4_stateid {
};
/* flags for preprocess_seqid_op() */
-#define HAS_SESSION 0x00000001
#define CONFIRM 0x00000002
#define OPEN_STATE 0x00000004
#define LOCK_STATE 0x00000008
@@ -476,7 +475,7 @@ extern void nfsd4_recdir_purge_old(void);
extern int nfsd4_create_clid_dir(struct nfs4_client *clp);
extern void nfsd4_remove_clid_dir(struct nfs4_client *clp);
extern void release_session_client(struct nfsd4_session *);
-extern __be32 nfs4_validate_stateid(stateid_t *, int);
+extern __be32 nfs4_validate_stateid(stateid_t *, bool);
static inline void
nfs4_put_stateowner(struct nfs4_stateowner *so)
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index d2a8d04428c..663193b21a2 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -351,7 +351,7 @@ struct nfsd4_saved_compoundargs {
struct nfsd4_test_stateid {
__be32 ts_num_ids;
- __be32 ts_has_session;
+ bool ts_has_session;
struct nfsd4_compoundargs *ts_saved_args;
struct nfsd4_saved_compoundargs ts_savedp;
};