Do more within the main loop, and simplify the function a bit. Also,
there's no need to take a stateowner reference unless we're going to call
release_lockowner.
Signed-off-by: Jeff Layton <jlayton@xxxxxxxxxxxxxxx>
---
fs/nfsd/nfs4state.c | 49 ++++++++++++++++++-------------------------------
1 file changed, 18 insertions(+), 31 deletions(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 93d526bca290..fb2f3ec0708f 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -5403,8 +5403,8 @@ nfsd4_release_lockowner(struct svc_rqst *rqstp,
struct nfsd4_release_lockowner *rlockowner)
{
clientid_t *clid = &rlockowner->rl_clientid;
- struct nfs4_stateowner *sop = NULL, *tmp;
- struct nfs4_lockowner *lo;
+ struct nfs4_stateowner *sop;
+ struct nfs4_lockowner *lo = NULL;
struct nfs4_ol_stateid *stp;
struct xdr_netobj *owner = &rlockowner->rl_owner;
unsigned int hashval = ownerstr_hashval(owner);
@@ -5421,45 +5421,32 @@ nfsd4_release_lockowner(struct svc_rqst *rqstp,
if (status)
goto out;
- status = nfserr_locks_held;
-
clp = cstate->clp;
/* Find the matching lock stateowner */
spin_lock(&clp->cl_lock);
- list_for_each_entry(tmp, &clp->cl_ownerstr_hashtbl[hashval],
+ list_for_each_entry(sop, &clp->cl_ownerstr_hashtbl[hashval],
so_strhash) {
- if (tmp->so_is_open_owner)
- continue;
- if (same_owner_str(tmp, owner)) {
- sop = tmp;
- atomic_inc(&sop->so_count);
- break;
- }
- }
- /* No matching owner found, maybe a replay? Just declare victory... */
- if (!sop) {
- spin_unlock(&clp->cl_lock);
- status = nfs_ok;
- goto out;
- }
+ if (sop->so_is_open_owner || !same_owner_str(sop, owner))
+ continue;
- lo = lockowner(sop);
- /* see if there are still any locks associated with it */
- list_for_each_entry(stp, &sop->so_stateids, st_perstateowner) {
- if (check_for_locks(stp->st_stid.sc_file, lo)) {
- spin_unlock(&clp->cl_lock);
- goto out;
+ /* see if there are still any locks associated with it */
+ lo = lockowner(sop);
+ list_for_each_entry(stp, &sop->so_stateids, st_perstateowner) {
+ if (check_for_locks(stp->st_stid.sc_file, lo)) {
+ status = nfserr_locks_held;
+ spin_unlock(&clp->cl_lock);
+ goto out;
+ }
}
+
+ atomic_inc(&sop->so_count);
+ break;
}
spin_unlock(&clp->cl_lock);
-
- status = nfs_ok;
- sop = NULL;
- release_lockowner(lo);
+ if (lo)
+ release_lockowner(lo);
out:
- if (sop)
- nfs4_put_stateowner(sop);
nfs4_unlock_state();
return status;
}
--
1.9.3
--
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