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_create_xprt(nn->nfsd_serv, "udp", net, PF_INET, NFS_PORT,  in nfsd_init_socks()
305 	error = svc_create_xprt(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()
352 void nfsd_copy_boot_verifier(__be32 verf[2], struct nfsd_net *nn)  in nfsd_copy_boot_verifier()  argument
357 		read_seqbegin_or_lock(&nn->boot_lock, &seq);  in nfsd_copy_boot_verifier()
363 		verf[0] = (__force __be32)nn->nfssvc_boot.tv_sec;  in nfsd_copy_boot_verifier()
364 		verf[1] = (__force __be32)nn->nfssvc_boot.tv_nsec;  in nfsd_copy_boot_verifier()
365 	} while (need_seqretry(&nn->boot_lock, seq));  in nfsd_copy_boot_verifier()
366 	done_seqretry(&nn->boot_lock, seq);  in nfsd_copy_boot_verifier()
369 static void nfsd_reset_boot_verifier_locked(struct nfsd_net *nn)  in nfsd_reset_boot_verifier_locked()  argument
371 	ktime_get_real_ts64(&nn->nfssvc_boot);  in nfsd_reset_boot_verifier_locked()
374 void nfsd_reset_boot_verifier(struct nfsd_net *nn)  in nfsd_reset_boot_verifier()  argument
376 	write_seqlock(&nn->boot_lock);  in nfsd_reset_boot_verifier()
377 	nfsd_reset_boot_verifier_locked(nn);  in nfsd_reset_boot_verifier()
378 	write_sequnlock(&nn->boot_lock);  in nfsd_reset_boot_verifier()
383 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_startup_net()  local
386 	if (nn->nfsd_net_up)  in nfsd_startup_net()
396 	if (nfsd_needs_lockd(nn) && !nn->lockd_up) {  in nfsd_startup_net()
400 		nn->lockd_up = true;  in nfsd_startup_net()
410 	nn->nfsd_net_up = true;  in nfsd_startup_net()
416 	if (nn->lockd_up) {  in nfsd_startup_net()
418 		nn->lockd_up = false;  in nfsd_startup_net()
427 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_shutdown_net()  local
431 	if (nn->lockd_up) {  in nfsd_shutdown_net()
433 		nn->lockd_up = false;  in nfsd_shutdown_net()
435 	nn->nfsd_net_up = false;  in nfsd_shutdown_net()
445 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_inetaddr_event()  local
449 	    !atomic_inc_not_zero(&nn->ntf_refcnt))  in nfsd_inetaddr_event()
452 	if (nn->nfsd_serv) {  in nfsd_inetaddr_event()
456 		svc_age_temp_xprts_now(nn->nfsd_serv, (struct sockaddr *)&sin);  in nfsd_inetaddr_event()
458 	atomic_dec(&nn->ntf_refcnt);  in nfsd_inetaddr_event()
459 	wake_up(&nn->ntf_wq);  in nfsd_inetaddr_event()
476 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_inet6addr_event()  local
480 	    !atomic_inc_not_zero(&nn->ntf_refcnt))  in nfsd_inet6addr_event()
483 	if (nn->nfsd_serv) {  in nfsd_inet6addr_event()
489 		svc_age_temp_xprts_now(nn->nfsd_serv, (struct sockaddr *)&sin6);  in nfsd_inet6addr_event()
491 	atomic_dec(&nn->ntf_refcnt);  in nfsd_inet6addr_event()
492 	wake_up(&nn->ntf_wq);  in nfsd_inet6addr_event()
507 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_last_thread()  local
509 	atomic_dec(&nn->ntf_refcnt);  in nfsd_last_thread()
517 	wait_event(nn->ntf_wq, atomic_read(&nn->ntf_refcnt) == 0);  in nfsd_last_thread()
526 	if (!nn->nfsd_net_up)  in nfsd_last_thread()
534 void nfsd_reset_versions(struct nfsd_net *nn)  in nfsd_reset_versions()  argument
539 		if (nfsd_vers(nn, i, NFSD_TEST))  in nfsd_reset_versions()
544 			nfsd_vers(nn, i, NFSD_SET);  in nfsd_reset_versions()
547 			while (nfsd_minorversion(nn, minor, NFSD_SET) >= 0)  in nfsd_reset_versions()
611 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_create_serv()  local
614 	if (nn->nfsd_serv) {  in nfsd_create_serv()
615 		svc_get(nn->nfsd_serv);  in nfsd_create_serv()
620 	nfsd_reset_versions(nn);  in nfsd_create_serv()
621 	nn->nfsd_serv = svc_create_pooled(&nfsd_program, nfsd_max_blksize,  in nfsd_create_serv()
623 	if (nn->nfsd_serv == NULL)  in nfsd_create_serv()
626 	nn->nfsd_serv->sv_maxconn = nn->max_connections;  in nfsd_create_serv()
627 	error = svc_bind(nn->nfsd_serv, net);  in nfsd_create_serv()
629 		svc_destroy(nn->nfsd_serv);  in nfsd_create_serv()
641 	atomic_inc(&nn->ntf_refcnt);  in nfsd_create_serv()
642 	nfsd_reset_boot_verifier(nn);  in nfsd_create_serv()
648 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_nrpools()  local
650 	if (nn->nfsd_serv == NULL)  in nfsd_nrpools()
653 		return nn->nfsd_serv->sv_nrpools;  in nfsd_nrpools()
659 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_get_nrthreads()  local
661 	if (nn->nfsd_serv != NULL) {  in nfsd_get_nrthreads()
662 		for (i = 0; i < nn->nfsd_serv->sv_nrpools && i < n; i++)  in nfsd_get_nrthreads()
663 			nthreads[i] = nn->nfsd_serv->sv_pools[i].sp_nrthreads;  in nfsd_get_nrthreads()
671 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_destroy()  local
672 	int destroy = (nn->nfsd_serv->sv_nrthreads == 1);  in nfsd_destroy()
675 		svc_shutdown_net(nn->nfsd_serv, net);  in nfsd_destroy()
676 	svc_destroy(nn->nfsd_serv);  in nfsd_destroy()
678 		nn->nfsd_serv = NULL;  in nfsd_destroy()
686 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_set_nrthreads()  local
690 	if (nn->nfsd_serv == NULL || n <= 0)  in nfsd_set_nrthreads()
693 	if (n > nn->nfsd_serv->sv_nrpools)  in nfsd_set_nrthreads()
694 		n = nn->nfsd_serv->sv_nrpools;  in nfsd_set_nrthreads()
723 	svc_get(nn->nfsd_serv);  in nfsd_set_nrthreads()
725 		err = nn->nfsd_serv->sv_ops->svo_setup(nn->nfsd_serv,  in nfsd_set_nrthreads()
726 				&nn->nfsd_serv->sv_pools[i], nthreads[i]);  in nfsd_set_nrthreads()
744 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_svc()  local
753 	if (nrservs == 0 && nn->nfsd_serv == NULL)  in nfsd_svc()
756 	strlcpy(nn->nfsd_name, utsname()->nodename,  in nfsd_svc()
757 		sizeof(nn->nfsd_name));  in nfsd_svc()
763 	nfsd_up_before = nn->nfsd_net_up;  in nfsd_svc()
768 	error = nn->nfsd_serv->sv_ops->svo_setup(nn->nfsd_serv,  in nfsd_svc()
776 	error = nn->nfsd_serv->sv_nrthreads - 1;  in nfsd_svc()
813 	struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);  in nfsd_acl_init_request()  local
817 	    nfsd_vers(nn, rqstp->rq_vers, NFSD_TEST)))  in nfsd_acl_init_request()
823 		    nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_acl_init_request()
833 		    nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_acl_init_request()
858 	struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);  in nfsd_init_request()  local
861 	if (likely(nfsd_vers(nn, rqstp->rq_vers, NFSD_TEST)))  in nfsd_init_request()
866 		if (nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_init_request()
875 		if (nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_init_request()
892 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd()  local
927 		rqstp->rq_server->sv_maxconn = nn->max_connections;  in nfsd()
1078 	struct nfsd_net *nn = net_generic(inode->i_sb->s_fs_info, nfsd_net_id);  in nfsd_pool_stats_open()  local
1081 	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()