nfsd: Add reference counting to nfs4_preprocess_confirmed_seqid_op
Ensure that all the callers put the open stateid after use. Necessary step toward client_mutex removal. Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
parent
2585fc7958
commit
0667b1e9d8
|
@ -4405,6 +4405,8 @@ static __be32 nfs4_preprocess_confirmed_seqid_op(struct nfsd4_compound_state *cs
|
|||
NFS4_OPEN_STID, stpp, nn);
|
||||
if (status)
|
||||
return status;
|
||||
/* FIXME: move into nfs4_preprocess_seqid_op */
|
||||
atomic_inc(&(*stpp)->st_stid.sc_count);
|
||||
oo = openowner((*stpp)->st_stateowner);
|
||||
if (!(oo->oo_flags & NFS4_OO_CONFIRMED))
|
||||
return nfserr_bad_stateid;
|
||||
|
@ -4509,12 +4511,12 @@ nfsd4_open_downgrade(struct svc_rqst *rqstp,
|
|||
if (!test_access(od->od_share_access, stp)) {
|
||||
dprintk("NFSD: access not a subset of current bitmap: 0x%hhx, input access=%08x\n",
|
||||
stp->st_access_bmap, od->od_share_access);
|
||||
goto out;
|
||||
goto put_stateid;
|
||||
}
|
||||
if (!test_deny(od->od_share_deny, stp)) {
|
||||
dprintk("NFSD: deny not a subset of current bitmap: 0x%hhx, input deny=%08x\n",
|
||||
stp->st_deny_bmap, od->od_share_deny);
|
||||
goto out;
|
||||
goto put_stateid;
|
||||
}
|
||||
nfs4_stateid_downgrade(stp, od->od_share_access);
|
||||
|
||||
|
@ -4523,6 +4525,8 @@ nfsd4_open_downgrade(struct svc_rqst *rqstp,
|
|||
update_stateid(&stp->st_stid.sc_stateid);
|
||||
memcpy(&od->od_stateid, &stp->st_stid.sc_stateid, sizeof(stateid_t));
|
||||
status = nfs_ok;
|
||||
put_stateid:
|
||||
nfs4_put_stid(&stp->st_stid);
|
||||
out:
|
||||
nfsd4_bump_seqid(cstate, status);
|
||||
if (!cstate->replay_owner)
|
||||
|
@ -4883,6 +4887,7 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
|
|||
struct nfs4_openowner *open_sop = NULL;
|
||||
struct nfs4_lockowner *lock_sop = NULL;
|
||||
struct nfs4_ol_stateid *lock_stp = NULL;
|
||||
struct nfs4_ol_stateid *open_stp = NULL;
|
||||
struct nfs4_file *fp;
|
||||
struct file *filp = NULL;
|
||||
struct file_lock *file_lock = NULL;
|
||||
|
@ -4910,8 +4915,6 @@ nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
|
|||
nfs4_lock_state();
|
||||
|
||||
if (lock->lk_is_new) {
|
||||
struct nfs4_ol_stateid *open_stp = NULL;
|
||||
|
||||
if (nfsd4_has_session(cstate))
|
||||
/* See rfc 5661 18.10.3: given clientid is ignored: */
|
||||
memcpy(&lock->v.new.clientid,
|
||||
|
@ -5039,6 +5042,8 @@ out:
|
|||
fput(filp);
|
||||
if (lock_stp)
|
||||
nfs4_put_stid(&lock_stp->st_stid);
|
||||
if (open_stp)
|
||||
nfs4_put_stid(&open_stp->st_stid);
|
||||
if (status && new_state)
|
||||
release_lock_stateid(lock_stp);
|
||||
nfsd4_bump_seqid(cstate, status);
|
||||
|
|
Loading…
Reference in New Issue