182 nfsd_netns_free_versions(struct nfsd_net *nn)  in nfsd_netns_free_versions()  argument
184 	kfree(nn->nfsd_versions);  in nfsd_netns_free_versions()
185 	kfree(nn->nfsd4_minorversions);  in nfsd_netns_free_versions()
186 	nn->nfsd_versions = NULL;  in nfsd_netns_free_versions()
187 	nn->nfsd4_minorversions = NULL;  in nfsd_netns_free_versions()
191 nfsd_netns_init_versions(struct nfsd_net *nn)  in nfsd_netns_init_versions()  argument
193 	if (!nn->nfsd_versions) {  in nfsd_netns_init_versions()
194 		nn->nfsd_versions = nfsd_alloc_versions();  in nfsd_netns_init_versions()
195 		nn->nfsd4_minorversions = nfsd_alloc_minorversions();  in nfsd_netns_init_versions()
196 		if (!nn->nfsd_versions || !nn->nfsd4_minorversions)  in nfsd_netns_init_versions()
197 			nfsd_netns_free_versions(nn);  in nfsd_netns_init_versions()
201 int nfsd_vers(struct nfsd_net *nn, int vers, enum vers_op change)  in nfsd_vers()  argument
207 		if (nn->nfsd_versions)  in nfsd_vers()
208 			nn->nfsd_versions[vers] = nfsd_support_version(vers);  in nfsd_vers()
211 		nfsd_netns_init_versions(nn);  in nfsd_vers()
212 		if (nn->nfsd_versions)  in nfsd_vers()
213 			nn->nfsd_versions[vers] = false;  in nfsd_vers()
216 		if (nn->nfsd_versions)  in nfsd_vers()
217 			return nn->nfsd_versions[vers];  in nfsd_vers()
226 nfsd_adjust_nfsd_versions4(struct nfsd_net *nn)  in nfsd_adjust_nfsd_versions4()  argument
231 		if (nn->nfsd4_minorversions[i])  in nfsd_adjust_nfsd_versions4()
234 	nfsd_vers(nn, 4, NFSD_CLEAR);  in nfsd_adjust_nfsd_versions4()
237 int nfsd_minorversion(struct nfsd_net *nn, u32 minorversion, enum vers_op change)  in nfsd_minorversion()  argument
245 		if (nn->nfsd4_minorversions) {  in nfsd_minorversion()
246 			nfsd_vers(nn, 4, NFSD_SET);  in nfsd_minorversion()
247 			nn->nfsd4_minorversions[minorversion] =  in nfsd_minorversion()
248 				nfsd_vers(nn, 4, NFSD_TEST);  in nfsd_minorversion()
252 		nfsd_netns_init_versions(nn);  in nfsd_minorversion()
253 		if (nn->nfsd4_minorversions) {  in nfsd_minorversion()
254 			nn->nfsd4_minorversions[minorversion] = false;  in nfsd_minorversion()
255 			nfsd_adjust_nfsd_versions4(nn);  in nfsd_minorversion()
259 		if (nn->nfsd4_minorversions)  in nfsd_minorversion()
260 			return nn->nfsd4_minorversions[minorversion];  in nfsd_minorversion()
261 		return nfsd_vers(nn, 4, NFSD_TEST);  in nfsd_minorversion()
264 			nfsd_vers(nn, 4, NFSD_AVAIL);  in nfsd_minorversion()
277 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_nrthreads()  local
280 	if (nn->nfsd_serv)  in nfsd_nrthreads()
281 		rv = nn->nfsd_serv->sv_nrthreads;  in nfsd_nrthreads()
289 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_init_socks()  local
291 	if (!list_empty(&nn->nfsd_serv->sv_permsocks))  in nfsd_init_socks()
294 	error = svc_xprt_create(nn->nfsd_serv, "udp", net, PF_INET, NFS_PORT,  in nfsd_init_socks()
299 	error = svc_xprt_create(nn->nfsd_serv, "tcp", net, PF_INET, NFS_PORT,  in nfsd_init_socks()
341 static bool nfsd_needs_lockd(struct nfsd_net *nn)  in nfsd_needs_lockd()  argument
343 	return nfsd_vers(nn, 2, NFSD_TEST) || nfsd_vers(nn, 3, NFSD_TEST);  in nfsd_needs_lockd()
354 void nfsd_copy_write_verifier(__be32 verf[2], struct nfsd_net *nn)  in nfsd_copy_write_verifier()  argument
359 		read_seqbegin_or_lock(&nn->writeverf_lock, &seq);  in nfsd_copy_write_verifier()
360 		memcpy(verf, nn->writeverf, sizeof(*verf));  in nfsd_copy_write_verifier()
361 	} while (need_seqretry(&nn->writeverf_lock, seq));  in nfsd_copy_write_verifier()
362 	done_seqretry(&nn->writeverf_lock, seq);  in nfsd_copy_write_verifier()
365 static void nfsd_reset_write_verifier_locked(struct nfsd_net *nn)  in nfsd_reset_write_verifier_locked()  argument
375 	verf = siphash_2u64(now.tv_sec, now.tv_nsec, &nn->siphash_key);  in nfsd_reset_write_verifier_locked()
376 	memcpy(nn->writeverf, &verf, sizeof(nn->writeverf));  in nfsd_reset_write_verifier_locked()
392 void nfsd_reset_write_verifier(struct nfsd_net *nn)  in nfsd_reset_write_verifier()  argument
394 	write_seqlock(&nn->writeverf_lock);  in nfsd_reset_write_verifier()
395 	nfsd_reset_write_verifier_locked(nn);  in nfsd_reset_write_verifier()
396 	write_sequnlock(&nn->writeverf_lock);  in nfsd_reset_write_verifier()
401 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_startup_net()  local
404 	if (nn->nfsd_net_up)  in nfsd_startup_net()
414 	if (nfsd_needs_lockd(nn) && !nn->lockd_up) {  in nfsd_startup_net()
418 		nn->lockd_up = true;  in nfsd_startup_net()
429 	nfsd4_ssc_init_umount_work(nn);  in nfsd_startup_net()
431 	nn->nfsd_net_up = true;  in nfsd_startup_net()
437 	if (nn->lockd_up) {  in nfsd_startup_net()
439 		nn->lockd_up = false;  in nfsd_startup_net()
448 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_shutdown_net()  local
452 	if (nn->lockd_up) {  in nfsd_shutdown_net()
454 		nn->lockd_up = false;  in nfsd_shutdown_net()
456 	nn->nfsd_net_up = false;  in nfsd_shutdown_net()
467 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_inetaddr_event()  local
470 	if (event != NETDEV_DOWN || !nn->nfsd_serv)  in nfsd_inetaddr_event()
474 	if (nn->nfsd_serv) {  in nfsd_inetaddr_event()
478 		svc_age_temp_xprts_now(nn->nfsd_serv, (struct sockaddr *)&sin);  in nfsd_inetaddr_event()
497 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_inet6addr_event()  local
500 	if (event != NETDEV_DOWN || !nn->nfsd_serv)  in nfsd_inet6addr_event()
504 	if (nn->nfsd_serv) {  in nfsd_inet6addr_event()
510 		svc_age_temp_xprts_now(nn->nfsd_serv, (struct sockaddr *)&sin6);  in nfsd_inet6addr_event()
528 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_last_thread()  local
545 	if (!nn->nfsd_net_up)  in nfsd_last_thread()
553 void nfsd_reset_versions(struct nfsd_net *nn)  in nfsd_reset_versions()  argument
558 		if (nfsd_vers(nn, i, NFSD_TEST))  in nfsd_reset_versions()
563 			nfsd_vers(nn, i, NFSD_SET);  in nfsd_reset_versions()
566 			while (nfsd_minorversion(nn, minor, NFSD_SET) >= 0)  in nfsd_reset_versions()
615 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_shutdown_threads()  local
619 	serv = nn->nfsd_serv;  in nfsd_shutdown_threads()
640 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_create_serv()  local
644 	if (nn->nfsd_serv) {  in nfsd_create_serv()
645 		svc_get(nn->nfsd_serv);  in nfsd_create_serv()
650 	nfsd_reset_versions(nn);  in nfsd_create_serv()
655 	serv->sv_maxconn = nn->max_connections;  in nfsd_create_serv()
665 	nn->nfsd_serv = serv;  in nfsd_create_serv()
676 	nfsd_reset_write_verifier(nn);  in nfsd_create_serv()
682 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_nrpools()  local
684 	if (nn->nfsd_serv == NULL)  in nfsd_nrpools()
687 		return nn->nfsd_serv->sv_nrpools;  in nfsd_nrpools()
693 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_get_nrthreads()  local
695 	if (nn->nfsd_serv != NULL) {  in nfsd_get_nrthreads()
696 		for (i = 0; i < nn->nfsd_serv->sv_nrpools && i < n; i++)  in nfsd_get_nrthreads()
697 			nthreads[i] = nn->nfsd_serv->sv_pools[i].sp_nrthreads;  in nfsd_get_nrthreads()
714 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_put()  local
716 	if (kref_put(&nn->nfsd_serv->sv_refcnt, nfsd_noop)) {  in nfsd_put()
717 		svc_xprt_destroy_all(nn->nfsd_serv, net);  in nfsd_put()
718 		nfsd_last_thread(nn->nfsd_serv, net);  in nfsd_put()
719 		svc_destroy(&nn->nfsd_serv->sv_refcnt);  in nfsd_put()
721 		nn->nfsd_serv = NULL;  in nfsd_put()
731 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_set_nrthreads()  local
735 	if (nn->nfsd_serv == NULL || n <= 0)  in nfsd_set_nrthreads()
738 	if (n > nn->nfsd_serv->sv_nrpools)  in nfsd_set_nrthreads()
739 		n = nn->nfsd_serv->sv_nrpools;  in nfsd_set_nrthreads()
768 	svc_get(nn->nfsd_serv);  in nfsd_set_nrthreads()
770 		err = svc_set_num_threads(nn->nfsd_serv,  in nfsd_set_nrthreads()
771 					  &nn->nfsd_serv->sv_pools[i],  in nfsd_set_nrthreads()
790 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_svc()  local
799 	if (nrservs == 0 && nn->nfsd_serv == NULL)  in nfsd_svc()
802 	strscpy(nn->nfsd_name, utsname()->nodename,  in nfsd_svc()
803 		sizeof(nn->nfsd_name));  in nfsd_svc()
809 	nfsd_up_before = nn->nfsd_net_up;  in nfsd_svc()
814 	error = svc_set_num_threads(nn->nfsd_serv, NULL, nrservs);  in nfsd_svc()
817 	error = nn->nfsd_serv->sv_nrthreads;  in nfsd_svc()
823 	if (xchg(&nn->keep_active, 0))  in nfsd_svc()
857 	struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);  in nfsd_acl_init_request()  local
861 	    nfsd_vers(nn, rqstp->rq_vers, NFSD_TEST)))  in nfsd_acl_init_request()
867 		    nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_acl_init_request()
877 		    nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_acl_init_request()
902 	struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);  in nfsd_init_request()  local
905 	if (likely(nfsd_vers(nn, rqstp->rq_vers, NFSD_TEST)))  in nfsd_init_request()
910 		if (nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_init_request()
919 		if (nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_init_request()
936 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd()  local
967 		rqstp->rq_server->sv_maxconn = nn->max_connections;  in nfsd()
991 	svc_get(nn->nfsd_serv);  in nfsd()
1004 	while (!svc_put_not_last(nn->nfsd_serv)) {  in nfsd()
1115 	struct nfsd_net *nn = net_generic(inode->i_sb->s_fs_info, nfsd_net_id);  in nfsd_pool_stats_open()  local
1118 	if (nn->nfsd_serv == NULL) {  in nfsd_pool_stats_open()
1122 	svc_get(nn->nfsd_serv);  in nfsd_pool_stats_open()
1123 	ret = svc_pool_stats_open(nn->nfsd_serv, file);  in nfsd_pool_stats_open()