static int nfs4_init_client(struct nfs_client *clp, struct rpc_cred *cred)
{
int status = nfs4_proc_setclientid(clp, NFS4_CALLBACK,
nfs_callback_tcpport, cred);
if (status == 0)
status = nfs4_proc_setclientid_confirm(clp, cred);
if (status == 0)
nfs4_schedule_state_renewal(clp);
return status;
}
int nfs4_init_clientid(struct nfs_client *clp, struct rpc_cred *cred)
{
unsigned short port;
int status;
port = nfs_callback_tcpport;
if (clp->cl_addr.ss_family == AF_INET6)
port = nfs_callback_tcpport6;
status = nfs4_proc_setclientid(clp, NFS4_CALLBACK, port, cred);
if (status == 0)
status = nfs4_proc_setclientid_confirm(clp, cred);
if (status == 0)
nfs4_schedule_state_renewal(clp);
return status;
}
int nfs4_init_clientid(struct nfs_client *clp, struct rpc_cred *cred)
{
struct nfs4_setclientid_res clid;
unsigned short port;
int status;
port = nfs_callback_tcpport;
if (clp->cl_addr.ss_family == AF_INET6)
port = nfs_callback_tcpport6;
status = nfs4_proc_setclientid(clp, NFS4_CALLBACK, port, cred, &clid);
if (status != 0)
goto out;
status = nfs4_proc_setclientid_confirm(clp, &clid, cred);
if (status != 0)
goto out;
clp->cl_clientid = clid.clientid;
nfs4_schedule_state_renewal(clp);
out:
return status;
}
int nfs4_init_clientid(struct nfs_client *clp, struct rpc_cred *cred)
{
struct nfs4_setclientid_res clid = {
.clientid = clp->cl_clientid,
.confirm = clp->cl_confirm,
};
unsigned short port;
int status;
if (test_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state))
goto do_confirm;
port = nfs_callback_tcpport;
if (clp->cl_addr.ss_family == AF_INET6)
port = nfs_callback_tcpport6;
status = nfs4_proc_setclientid(clp, NFS4_CALLBACK, port, cred, &clid);
if (status != 0)
goto out;
clp->cl_clientid = clid.clientid;
clp->cl_confirm = clid.confirm;
set_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
do_confirm:
status = nfs4_proc_setclientid_confirm(clp, &clid, cred);
if (status != 0)
goto out;
clear_bit(NFS4CLNT_LEASE_CONFIRM, &clp->cl_state);
nfs4_schedule_state_renewal(clp);
out:
return status;
}
struct rpc_cred *nfs4_get_machine_cred_locked(struct nfs_client *clp)
{
struct rpc_cred *cred = NULL;
if (clp->cl_machine_cred != NULL)
cred = get_rpccred(clp->cl_machine_cred);
return cred;
}
static void nfs4_clear_machine_cred(struct nfs_client *clp)
{
struct rpc_cred *cred;
spin_lock(&clp->cl_lock);
cred = clp->cl_machine_cred;
clp->cl_machine_cred = NULL;
spin_unlock(&clp->cl_lock);
if (cred != NULL)
put_rpccred(cred);
}
struct rpc_cred *nfs4_get_renew_cred_locked(struct nfs_client *clp)
{
struct nfs4_state_owner *sp;
struct rb_node *pos;
struct rpc_cred *cred = NULL;
/* Use machine credentials if available */
cred = nfs4_get_machine_cred_locked(clp);
if (cred != NULL)
goto out;
for (pos = rb_first(&clp->cl_state_owners); pos != NULL; pos = rb_next(pos)) {
sp = rb_entry(pos, struct nfs4_state_owner, so_client_node);
if (list_empty(&sp->so_states))
continue;
cred = get_rpccred(sp->so_cred);
break;
}
out:
return cred;
}
#if defined(CONFIG_NFS_V4_1)
static int nfs41_setup_state_renewal(struct nfs_client *clp)
{
int status;
struct nfs_fsinfo fsinfo;
if (!test_bit(NFS_CS_CHECK_LEASE_TIME, &clp->cl_res_state)) {
nfs4_schedule_state_renewal(clp);
return 0;
}
status = nfs4_proc_get_lease_time(clp, &fsinfo);
if (status == 0) {
/* Update lease time and schedule renewal */
spin_lock(&clp->cl_lock);
clp->cl_lease_time = fsinfo.lease_time * HZ;
clp->cl_last_renewal = jiffies;
spin_unlock(&clp->cl_lock);
nfs4_schedule_state_renewal(clp);
}
return status;
}
