From: "J. Bruce Fields" <bfields@xxxxxxxxxx>
I think set_client is a better name, and the lookup itself I want to
use somewhere else.
Signed-off-by: J. Bruce Fields <bfields@xxxxxxxxxx>
---
fs/nfsd/nfs4state.c | 50 ++++++++++++++++++++++-----------------------
1 file changed, 24 insertions(+), 26 deletions(-)
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index ba955bbf21df..d7128e16c86e 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -4633,40 +4633,40 @@ static __be32 nfsd4_check_seqid(struct nfsd4_compound_state *cstate, struct nfs4
return nfserr_bad_seqid;
}
-static __be32 lookup_clientid(clientid_t *clid,
+static struct nfs4_client *lookup_clientid(clientid_t *clid, bool sessions,
+ struct nfsd_net *nn)
+{
+ struct nfs4_client *found;
+
+ spin_lock(&nn->client_lock);
+ found = find_confirmed_client(clid, sessions, nn);
+ if (found)
+ atomic_inc(&found->cl_rpc_users);
+ spin_unlock(&nn->client_lock);
+ return found;
+}
+
+static __be32 set_client(clientid_t *clid,
struct nfsd4_compound_state *cstate,
struct nfsd_net *nn,
bool sessions)
{
- struct nfs4_client *found;
-
if (cstate->clp) {
- found = cstate->clp;
- if (!same_clid(&found->cl_clientid, clid))
+ if (!same_clid(&cstate->clp->cl_clientid, clid))
return nfserr_stale_clientid;
return nfs_ok;
}
-
if (STALE_CLIENTID(clid, nn))
return nfserr_stale_clientid;
-
/*
* For v4.1+ we get the client in the SEQUENCE op. If we don't have one
* cached already then we know this is for is for v4.0 and "sessions"
* will be false.
*/
WARN_ON_ONCE(cstate->session);
- spin_lock(&nn->client_lock);
- found = find_confirmed_client(clid, sessions, nn);
- if (!found) {
- spin_unlock(&nn->client_lock);
+ cstate->clp = lookup_clientid(clid, sessions, nn);
+ if (!cstate->clp)
return nfserr_expired;
- }
- atomic_inc(&found->cl_rpc_users);
- spin_unlock(&nn->client_lock);
-
- /* Cache the nfs4_client in cstate! */
- cstate->clp = found;
return nfs_ok;
}
@@ -4688,7 +4688,7 @@ nfsd4_process_open1(struct nfsd4_compound_state *cstate,
if (open->op_file == NULL)
return nfserr_jukebox;
- status = lookup_clientid(clientid, cstate, nn, false);
+ status = set_client(clientid, cstate, nn, false);
if (status)
return status;
clp = cstate->clp;
@@ -5298,7 +5298,7 @@ nfsd4_renew(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);
trace_nfsd_clid_renew(clid);
- status = lookup_clientid(clid, cstate, nn, false);
+ status = set_client(clid, cstate, nn, false);
if (status)
return status;
clp = cstate->clp;
@@ -5681,8 +5681,7 @@ nfsd4_lookup_stateid(struct nfsd4_compound_state *cstate,
if (ZERO_STATEID(stateid) || ONE_STATEID(stateid) ||
CLOSE_STATEID(stateid))
return nfserr_bad_stateid;
- status = lookup_clientid(&stateid->si_opaque.so_clid, cstate, nn,
- false);
+ status = set_client(&stateid->si_opaque.so_clid, cstate, nn, false);
if (status == nfserr_stale_clientid) {
if (cstate->session)
return nfserr_bad_stateid;
@@ -5821,7 +5820,7 @@ static __be32 find_cpntf_state(struct nfsd_net *nn, stateid_t *st,
cps->cpntf_time = ktime_get_boottime_seconds();
memset(&cstate, 0, sizeof(cstate));
- status = lookup_clientid(&cps->cp_p_clid, &cstate, nn, true);
+ status = set_clientid(&cps->cp_p_clid, &cstate, nn, true);
if (status)
goto out;
status = nfsd4_lookup_stateid(&cstate, &cps->cp_p_stateid,
@@ -6900,8 +6899,7 @@ nfsd4_lockt(struct svc_rqst *rqstp, struct nfsd4_compound_state *cstate,
return nfserr_inval;
if (!nfsd4_has_session(cstate)) {
- status = lookup_clientid(&lockt->lt_clientid, cstate, nn,
- false);
+ status = set_client(&lockt->lt_clientid, cstate, nn, false);
if (status)
goto out;
}
@@ -7085,7 +7083,7 @@ nfsd4_release_lockowner(struct svc_rqst *rqstp,
dprintk("nfsd4_release_lockowner clientid: (%08x/%08x):\n",
clid->cl_boot, clid->cl_id);
- status = lookup_clientid(clid, cstate, nn, false);
+ status = set_client(clid, cstate, nn, false);
if (status)
return status;
@@ -7232,7 +7230,7 @@ nfs4_check_open_reclaim(clientid_t *clid,
__be32 status;
/* find clientid in conf_id_hashtbl */
- status = lookup_clientid(clid, cstate, nn, false);
+ status = set_clientid(clid, cstate, nn, false);
if (status)
return nfserr_reclaim_bad;
--
2.29.2
