188 nfsd_netns_free_versions(struct nfsd_net *nn)  in nfsd_netns_free_versions()  argument
190 	kfree(nn->nfsd_versions);  in nfsd_netns_free_versions()
191 	kfree(nn->nfsd4_minorversions);  in nfsd_netns_free_versions()
192 	nn->nfsd_versions = NULL;  in nfsd_netns_free_versions()
193 	nn->nfsd4_minorversions = NULL;  in nfsd_netns_free_versions()
197 nfsd_netns_init_versions(struct nfsd_net *nn)  in nfsd_netns_init_versions()  argument
199 	if (!nn->nfsd_versions) {  in nfsd_netns_init_versions()
200 		nn->nfsd_versions = nfsd_alloc_versions();  in nfsd_netns_init_versions()
201 		nn->nfsd4_minorversions = nfsd_alloc_minorversions();  in nfsd_netns_init_versions()
202 		if (!nn->nfsd_versions || !nn->nfsd4_minorversions)  in nfsd_netns_init_versions()
203 			nfsd_netns_free_versions(nn);  in nfsd_netns_init_versions()
207 int nfsd_vers(struct nfsd_net *nn, int vers, enum vers_op change)  in nfsd_vers()  argument
213 		if (nn->nfsd_versions)  in nfsd_vers()
214 			nn->nfsd_versions[vers] = nfsd_support_version(vers);  in nfsd_vers()
217 		nfsd_netns_init_versions(nn);  in nfsd_vers()
218 		if (nn->nfsd_versions)  in nfsd_vers()
219 			nn->nfsd_versions[vers] = false;  in nfsd_vers()
222 		if (nn->nfsd_versions)  in nfsd_vers()
223 			return nn->nfsd_versions[vers];  in nfsd_vers()
232 nfsd_adjust_nfsd_versions4(struct nfsd_net *nn)  in nfsd_adjust_nfsd_versions4()  argument
237 		if (nn->nfsd4_minorversions[i])  in nfsd_adjust_nfsd_versions4()
240 	nfsd_vers(nn, 4, NFSD_CLEAR);  in nfsd_adjust_nfsd_versions4()
243 int nfsd_minorversion(struct nfsd_net *nn, u32 minorversion, enum vers_op change)  in nfsd_minorversion()  argument
251 		if (nn->nfsd4_minorversions) {  in nfsd_minorversion()
252 			nfsd_vers(nn, 4, NFSD_SET);  in nfsd_minorversion()
253 			nn->nfsd4_minorversions[minorversion] =  in nfsd_minorversion()
254 				nfsd_vers(nn, 4, NFSD_TEST);  in nfsd_minorversion()
258 		nfsd_netns_init_versions(nn);  in nfsd_minorversion()
259 		if (nn->nfsd4_minorversions) {  in nfsd_minorversion()
260 			nn->nfsd4_minorversions[minorversion] = false;  in nfsd_minorversion()
261 			nfsd_adjust_nfsd_versions4(nn);  in nfsd_minorversion()
265 		if (nn->nfsd4_minorversions)  in nfsd_minorversion()
266 			return nn->nfsd4_minorversions[minorversion];  in nfsd_minorversion()
267 		return nfsd_vers(nn, 4, NFSD_TEST);  in nfsd_minorversion()
270 			nfsd_vers(nn, 4, NFSD_AVAIL);  in nfsd_minorversion()
283 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_nrthreads()  local
286 	if (nn->nfsd_serv)  in nfsd_nrthreads()
287 		rv = nn->nfsd_serv->sv_nrthreads;  in nfsd_nrthreads()
295 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_init_socks()  local
297 	if (!list_empty(&nn->nfsd_serv->sv_permsocks))  in nfsd_init_socks()
300 	error = svc_xprt_create(nn->nfsd_serv, "udp", net, PF_INET, NFS_PORT,  in nfsd_init_socks()
305 	error = svc_xprt_create(nn->nfsd_serv, "tcp", net, PF_INET, NFS_PORT,  in nfsd_init_socks()
347 static bool nfsd_needs_lockd(struct nfsd_net *nn)  in nfsd_needs_lockd()  argument
349 	return nfsd_vers(nn, 2, NFSD_TEST) || nfsd_vers(nn, 3, NFSD_TEST);  in nfsd_needs_lockd()
360 void nfsd_copy_write_verifier(__be32 verf[2], struct nfsd_net *nn)  in nfsd_copy_write_verifier()  argument
365 		read_seqbegin_or_lock(&nn->writeverf_lock, &seq);  in nfsd_copy_write_verifier()
366 		memcpy(verf, nn->writeverf, sizeof(nn->writeverf));  in nfsd_copy_write_verifier()
367 	} while (need_seqretry(&nn->writeverf_lock, seq));  in nfsd_copy_write_verifier()
368 	done_seqretry(&nn->writeverf_lock, seq);  in nfsd_copy_write_verifier()
371 static void nfsd_reset_write_verifier_locked(struct nfsd_net *nn)  in nfsd_reset_write_verifier_locked()  argument
381 	verf = siphash_2u64(now.tv_sec, now.tv_nsec, &nn->siphash_key);  in nfsd_reset_write_verifier_locked()
382 	memcpy(nn->writeverf, &verf, sizeof(nn->writeverf));  in nfsd_reset_write_verifier_locked()
398 void nfsd_reset_write_verifier(struct nfsd_net *nn)  in nfsd_reset_write_verifier()  argument
400 	write_seqlock(&nn->writeverf_lock);  in nfsd_reset_write_verifier()
401 	nfsd_reset_write_verifier_locked(nn);  in nfsd_reset_write_verifier()
402 	write_sequnlock(&nn->writeverf_lock);  in nfsd_reset_write_verifier()
412 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_startup_net()  local
415 	if (nn->nfsd_net_up)  in nfsd_startup_net()
425 	if (nfsd_needs_lockd(nn) && !nn->lockd_up) {  in nfsd_startup_net()
429 		nn->lockd_up = true;  in nfsd_startup_net()
436 	ret = nfsd_reply_cache_init(nn);  in nfsd_startup_net()
445 	nfsd4_ssc_init_umount_work(nn);  in nfsd_startup_net()
447 	nn->nfsd_net_up = true;  in nfsd_startup_net()
451 	nfsd_reply_cache_shutdown(nn);  in nfsd_startup_net()
455 	if (nn->lockd_up) {  in nfsd_startup_net()
457 		nn->lockd_up = false;  in nfsd_startup_net()
466 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_shutdown_net()  local
469 	nfsd_reply_cache_shutdown(nn);  in nfsd_shutdown_net()
471 	if (nn->lockd_up) {  in nfsd_shutdown_net()
473 		nn->lockd_up = false;  in nfsd_shutdown_net()
475 	nn->nfsd_net_up = false;  in nfsd_shutdown_net()
486 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_inetaddr_event()  local
489 	if (event != NETDEV_DOWN || !nn->nfsd_serv)  in nfsd_inetaddr_event()
493 	if (nn->nfsd_serv) {  in nfsd_inetaddr_event()
497 		svc_age_temp_xprts_now(nn->nfsd_serv, (struct sockaddr *)&sin);  in nfsd_inetaddr_event()
516 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_inet6addr_event()  local
519 	if (event != NETDEV_DOWN || !nn->nfsd_serv)  in nfsd_inet6addr_event()
523 	if (nn->nfsd_serv) {  in nfsd_inet6addr_event()
529 		svc_age_temp_xprts_now(nn->nfsd_serv, (struct sockaddr *)&sin6);  in nfsd_inet6addr_event()
547 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_last_thread()  local
548 	struct svc_serv *serv = nn->nfsd_serv;  in nfsd_last_thread()
551 	nn->nfsd_serv = NULL;  in nfsd_last_thread()
571 	if (!nn->nfsd_net_up)  in nfsd_last_thread()
579 void nfsd_reset_versions(struct nfsd_net *nn)  in nfsd_reset_versions()  argument
584 		if (nfsd_vers(nn, i, NFSD_TEST))  in nfsd_reset_versions()
589 			nfsd_vers(nn, i, NFSD_SET);  in nfsd_reset_versions()
592 			while (nfsd_minorversion(nn, minor, NFSD_SET) >= 0)  in nfsd_reset_versions()
641 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_shutdown_threads()  local
645 	serv = nn->nfsd_serv;  in nfsd_shutdown_threads()
667 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_create_serv()  local
671 	if (nn->nfsd_serv) {  in nfsd_create_serv()
672 		svc_get(nn->nfsd_serv);  in nfsd_create_serv()
677 	nfsd_reset_versions(nn);  in nfsd_create_serv()
682 	serv->sv_maxconn = nn->max_connections;  in nfsd_create_serv()
689 	nn->nfsd_serv = serv;  in nfsd_create_serv()
700 	nfsd_reset_write_verifier(nn);  in nfsd_create_serv()
706 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_nrpools()  local
708 	if (nn->nfsd_serv == NULL)  in nfsd_nrpools()
711 		return nn->nfsd_serv->sv_nrpools;  in nfsd_nrpools()
717 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_get_nrthreads()  local
719 	if (nn->nfsd_serv != NULL) {  in nfsd_get_nrthreads()
720 		for (i = 0; i < nn->nfsd_serv->sv_nrpools && i < n; i++)  in nfsd_get_nrthreads()
721 			nthreads[i] = nn->nfsd_serv->sv_pools[i].sp_nrthreads;  in nfsd_get_nrthreads()
732 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_set_nrthreads()  local
736 	if (nn->nfsd_serv == NULL || n <= 0)  in nfsd_set_nrthreads()
739 	if (n > nn->nfsd_serv->sv_nrpools)  in nfsd_set_nrthreads()
740 		n = nn->nfsd_serv->sv_nrpools;  in nfsd_set_nrthreads()
769 	svc_get(nn->nfsd_serv);  in nfsd_set_nrthreads()
771 		err = svc_set_num_threads(nn->nfsd_serv,  in nfsd_set_nrthreads()
772 					  &nn->nfsd_serv->sv_pools[i],  in nfsd_set_nrthreads()
777 	svc_put(nn->nfsd_serv);  in nfsd_set_nrthreads()
791 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_svc()  local
801 	if (nrservs == 0 && nn->nfsd_serv == NULL)  in nfsd_svc()
804 	strscpy(nn->nfsd_name, utsname()->nodename,  in nfsd_svc()
805 		sizeof(nn->nfsd_name));  in nfsd_svc()
811 	nfsd_up_before = nn->nfsd_net_up;  in nfsd_svc()
812 	serv = nn->nfsd_serv;  in nfsd_svc()
828 	if (xchg(&nn->keep_active, 0))  in nfsd_svc()
862 	struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);  in nfsd_acl_init_request()  local
866 	    nfsd_vers(nn, rqstp->rq_vers, NFSD_TEST)))  in nfsd_acl_init_request()
872 		    nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_acl_init_request()
882 		    nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_acl_init_request()
907 	struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);  in nfsd_init_request()  local
910 	if (likely(nfsd_vers(nn, rqstp->rq_vers, NFSD_TEST)))  in nfsd_init_request()
915 		if (nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_init_request()
924 		if (nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_init_request()
941 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd()  local
962 		rqstp->rq_server->sv_maxconn = nn->max_connections;  in nfsd()
1079 	struct nfsd_net *nn = net_generic(inode->i_sb->s_fs_info, nfsd_net_id);  in nfsd_pool_stats_open()  local
1082 	if (nn->nfsd_serv == NULL) {  in nfsd_pool_stats_open()
1086 	svc_get(nn->nfsd_serv);  in nfsd_pool_stats_open()
1087 	ret = svc_pool_stats_open(nn->nfsd_serv, file);  in nfsd_pool_stats_open()