diff options
Diffstat (limited to 'fs/nfs/nfs4state.c')
| -rw-r--r-- | fs/nfs/nfs4state.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 99182b3229e..300faba9a18 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -71,14 +71,12 @@ static int nfs4_init_client(struct nfs_client *clp, struct rpc_cred *cred) return status; } -static struct rpc_cred *nfs4_get_machine_cred(struct nfs_client *clp) +static struct rpc_cred *nfs4_get_machine_cred_locked(struct nfs_client *clp) { struct rpc_cred *cred = NULL; - spin_lock(&clp->cl_lock); if (clp->cl_machine_cred != NULL) cred = get_rpccred(clp->cl_machine_cred); - spin_unlock(&clp->cl_lock); return cred; } @@ -94,7 +92,7 @@ static void nfs4_clear_machine_cred(struct nfs_client *clp) put_rpccred(cred); } -struct rpc_cred *nfs4_get_renew_cred(struct nfs_client *clp) +struct rpc_cred *nfs4_get_renew_cred_locked(struct nfs_client *clp) { struct nfs4_state_owner *sp; struct rb_node *pos; @@ -110,13 +108,24 @@ struct rpc_cred *nfs4_get_renew_cred(struct nfs_client *clp) return cred; } +static struct rpc_cred *nfs4_get_renew_cred(struct nfs_client *clp) +{ + struct rpc_cred *cred; + + spin_lock(&clp->cl_lock); + cred = nfs4_get_renew_cred_locked(clp); + spin_unlock(&clp->cl_lock); + return cred; +} + static struct rpc_cred *nfs4_get_setclientid_cred(struct nfs_client *clp) { struct nfs4_state_owner *sp; struct rb_node *pos; struct rpc_cred *cred; - cred = nfs4_get_machine_cred(clp); + spin_lock(&clp->cl_lock); + cred = nfs4_get_machine_cred_locked(clp); if (cred != NULL) goto out; pos = rb_first(&clp->cl_state_owners); @@ -125,6 +134,7 @@ static struct rpc_cred *nfs4_get_setclientid_cred(struct nfs_client *clp) cred = get_rpccred(sp->so_cred); } out: + spin_unlock(&clp->cl_lock); return cred; } |