From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
Allow nfs4_lookup_stateid to take the stateid reference, instead
of having all the callers do so.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfsd/nfs4state.c | 17 +++++++++++------
1 file changed, 11 insertions(+), 6 deletions(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 7ce4edcc0e61..25af8b7628ae 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -3998,6 +3998,8 @@ static __be32 nfsd4_lookup_stateid(stateid_t *stateid, unsigned char typemask,
*s = find_stateid_by_type(cl, stateid, typemask);
if (!*s)
return nfserr_bad_stateid;
+ /* FIXME: move into find_stateid_by_type */
+ atomic_inc(&(*s)->sc_count);
return nfs_ok;
}
@@ -4031,7 +4033,7 @@ nfs4_preprocess_stateid_op(struct net *net, struct nfsd4_compound_state *cstate,
status = nfsd4_lookup_stateid(stateid, NFS4_DELEG_STID|NFS4_OPEN_STID|NFS4_LOCK_STID,
&s, cstate->minorversion, nn);
if (status)
- goto out;
+ goto unlock_state;
status = check_stateid_generation(stateid, &s->sc_stateid, nfsd4_has_session(cstate));
if (status)
goto out;
@@ -4078,6 +4080,8 @@ nfs4_preprocess_stateid_op(struct net *net, struct nfsd4_compound_state *cstate,
if (file)
*filpp = file;
out:
+ nfs4_put_stid(s);
+unlock_state:
nfs4_unlock_state();
return status;
}
@@ -4209,11 +4213,10 @@ nfs4_preprocess_seqid_op(struct nfsd4_compound_state *cstate, u32 seqid,
nfsd4_cstate_assign_replay(cstate, stp->st_stateowner);
status = nfs4_seqid_op_checks(cstate, stateid, seqid, stp);
- if (!status) {
- /* FIXME: move into find_stateid_by_type */
- atomic_inc(&stp->st_stid.sc_count);
+ if (!status)
*stpp = stp;
- }
+ else
+ put_generic_stateid(stp);
return status;
}
@@ -4477,9 +4480,11 @@ nfsd4_delegreturn(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
dp = delegstateid(s);
status = check_stateid_generation(stateid, &dp->dl_stid.sc_stateid, nfsd4_has_session(cstate));
if (status)
- goto out;
+ goto put_stateid;
unhash_and_destroy_delegation(dp);
+put_stateid:
+ nfs4_put_delegation(dp);
out:
nfs4_unlock_state();
--
1.9.3
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