161 int nfsd_vers(struct nfsd_net *nn, int vers, enum vers_op change)  in nfsd_vers()  argument
167 		nn->nfsd_versions[vers] = nfsd_support_version(vers);  in nfsd_vers()
170 		nn->nfsd_versions[vers] = false;  in nfsd_vers()
173 		return nn->nfsd_versions[vers];  in nfsd_vers()
181 nfsd_adjust_nfsd_versions4(struct nfsd_net *nn)  in nfsd_adjust_nfsd_versions4()  argument
186 		if (nn->nfsd4_minorversions[i])  in nfsd_adjust_nfsd_versions4()
189 	nfsd_vers(nn, 4, NFSD_CLEAR);  in nfsd_adjust_nfsd_versions4()
192 int nfsd_minorversion(struct nfsd_net *nn, u32 minorversion, enum vers_op change)  in nfsd_minorversion()  argument
200 		nfsd_vers(nn, 4, NFSD_SET);  in nfsd_minorversion()
201 		nn->nfsd4_minorversions[minorversion] =  in nfsd_minorversion()
202 			nfsd_vers(nn, 4, NFSD_TEST);  in nfsd_minorversion()
205 		nn->nfsd4_minorversions[minorversion] = false;  in nfsd_minorversion()
206 		nfsd_adjust_nfsd_versions4(nn);  in nfsd_minorversion()
209 		return nn->nfsd4_minorversions[minorversion];  in nfsd_minorversion()
212 			nfsd_vers(nn, 4, NFSD_AVAIL);  in nfsd_minorversion()
219 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_serv_try_get()  local
221 	return (nn && percpu_ref_tryget_live(&nn->nfsd_serv_ref));  in nfsd_serv_try_get()
226 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_serv_put()  local
228 	percpu_ref_put(&nn->nfsd_serv_ref);  in nfsd_serv_put()
233 	struct nfsd_net *nn = container_of(ref, struct nfsd_net, nfsd_serv_ref);  in nfsd_serv_done()  local
235 	complete(&nn->nfsd_serv_confirm_done);  in nfsd_serv_done()
240 	struct nfsd_net *nn = container_of(ref, struct nfsd_net, nfsd_serv_ref);  in nfsd_serv_free()  local
242 	complete(&nn->nfsd_serv_free_done);  in nfsd_serv_free()
253 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_nrthreads()  local
256 	if (nn->nfsd_serv)  in nfsd_nrthreads()
257 		rv = nn->nfsd_serv->sv_nrthreads;  in nfsd_nrthreads()
265 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_init_socks()  local
267 	if (!list_empty(&nn->nfsd_serv->sv_permsocks))  in nfsd_init_socks()
270 	error = svc_xprt_create(nn->nfsd_serv, "udp", net, PF_INET, NFS_PORT,  in nfsd_init_socks()
275 	error = svc_xprt_create(nn->nfsd_serv, "tcp", net, PF_INET, NFS_PORT,  in nfsd_init_socks()
317 static bool nfsd_needs_lockd(struct nfsd_net *nn)  in nfsd_needs_lockd()  argument
319 	return nfsd_vers(nn, 2, NFSD_TEST) || nfsd_vers(nn, 3, NFSD_TEST);  in nfsd_needs_lockd()
330 void nfsd_copy_write_verifier(__be32 verf[2], struct nfsd_net *nn)  in nfsd_copy_write_verifier()  argument
335 		seq = read_seqbegin(&nn->writeverf_lock);  in nfsd_copy_write_verifier()
336 		memcpy(verf, nn->writeverf, sizeof(nn->writeverf));  in nfsd_copy_write_verifier()
337 	} while (read_seqretry(&nn->writeverf_lock, seq));  in nfsd_copy_write_verifier()
340 static void nfsd_reset_write_verifier_locked(struct nfsd_net *nn)  in nfsd_reset_write_verifier_locked()  argument
350 	verf = siphash_2u64(now.tv_sec, now.tv_nsec, &nn->siphash_key);  in nfsd_reset_write_verifier_locked()
351 	memcpy(nn->writeverf, &verf, sizeof(nn->writeverf));  in nfsd_reset_write_verifier_locked()
367 void nfsd_reset_write_verifier(struct nfsd_net *nn)  in nfsd_reset_write_verifier()  argument
369 	write_seqlock(&nn->writeverf_lock);  in nfsd_reset_write_verifier()
370 	nfsd_reset_write_verifier_locked(nn);  in nfsd_reset_write_verifier()
371 	write_sequnlock(&nn->writeverf_lock);  in nfsd_reset_write_verifier()
381 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_startup_net()  local
384 	if (nn->nfsd_net_up)  in nfsd_startup_net()
394 	if (nfsd_needs_lockd(nn) && !nn->lockd_up) {  in nfsd_startup_net()
398 		nn->lockd_up = true;  in nfsd_startup_net()
405 	ret = nfsd_reply_cache_init(nn);  in nfsd_startup_net()
414 	nfsd4_ssc_init_umount_work(nn);  in nfsd_startup_net()
416 	nn->nfsd_net_up = true;  in nfsd_startup_net()
420 	nfsd_reply_cache_shutdown(nn);  in nfsd_startup_net()
424 	if (nn->lockd_up) {  in nfsd_startup_net()
426 		nn->lockd_up = false;  in nfsd_startup_net()
435 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_shutdown_net()  local
437 	if (!nn->nfsd_net_up)  in nfsd_shutdown_net()
441 	nfsd_reply_cache_shutdown(nn);  in nfsd_shutdown_net()
443 	if (nn->lockd_up) {  in nfsd_shutdown_net()
445 		nn->lockd_up = false;  in nfsd_shutdown_net()
447 	percpu_ref_exit(&nn->nfsd_serv_ref);  in nfsd_shutdown_net()
448 	nn->nfsd_net_up = false;  in nfsd_shutdown_net()
459 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_inetaddr_event()  local
462 	if (event != NETDEV_DOWN || !nn->nfsd_serv)  in nfsd_inetaddr_event()
466 	if (nn->nfsd_serv) {  in nfsd_inetaddr_event()
470 		svc_age_temp_xprts_now(nn->nfsd_serv, (struct sockaddr *)&sin);  in nfsd_inetaddr_event()
489 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_inet6addr_event()  local
492 	if (event != NETDEV_DOWN || !nn->nfsd_serv)  in nfsd_inet6addr_event()
496 	if (nn->nfsd_serv) {  in nfsd_inet6addr_event()
502 		svc_age_temp_xprts_now(nn->nfsd_serv, (struct sockaddr *)&sin6);  in nfsd_inet6addr_event()
524 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_destroy_serv()  local
525 	struct svc_serv *serv = nn->nfsd_serv;  in nfsd_destroy_serv()
529 	percpu_ref_kill_and_confirm(&nn->nfsd_serv_ref, nfsd_serv_done);  in nfsd_destroy_serv()
530 	wait_for_completion(&nn->nfsd_serv_confirm_done);  in nfsd_destroy_serv()
531 	wait_for_completion(&nn->nfsd_serv_free_done);  in nfsd_destroy_serv()
535 	nn->nfsd_serv = NULL;  in nfsd_destroy_serv()
560 void nfsd_reset_versions(struct nfsd_net *nn)  in nfsd_reset_versions()  argument
565 		if (nfsd_vers(nn, i, NFSD_TEST))  in nfsd_reset_versions()
570 			nfsd_vers(nn, i, NFSD_SET);  in nfsd_reset_versions()
573 			while (nfsd_minorversion(nn, minor, NFSD_SET) >= 0)  in nfsd_reset_versions()
622 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_shutdown_threads()  local
626 	serv = nn->nfsd_serv;  in nfsd_shutdown_threads()
648 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_create_serv()  local
652 	if (nn->nfsd_serv)  in nfsd_create_serv()
655 	error = percpu_ref_init(&nn->nfsd_serv_ref, nfsd_serv_free,  in nfsd_create_serv()
659 	init_completion(&nn->nfsd_serv_free_done);  in nfsd_create_serv()
660 	init_completion(&nn->nfsd_serv_confirm_done);  in nfsd_create_serv()
664 	nfsd_reset_versions(nn);  in nfsd_create_serv()
666 				 &nn->nfsd_svcstats,  in nfsd_create_serv()
671 	serv->sv_maxconn = nn->max_connections;  in nfsd_create_serv()
678 	nn->nfsd_serv = serv;  in nfsd_create_serv()
689 	nfsd_reset_write_verifier(nn);  in nfsd_create_serv()
695 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_nrpools()  local
697 	if (nn->nfsd_serv == NULL)  in nfsd_nrpools()
700 		return nn->nfsd_serv->sv_nrpools;  in nfsd_nrpools()
705 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_get_nrthreads()  local
706 	struct svc_serv *serv = nn->nfsd_serv;  in nfsd_get_nrthreads()
733 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_set_nrthreads()  local
737 	if (nn->nfsd_serv == NULL || n <= 0)  in nfsd_set_nrthreads()
745 		return svc_set_num_threads(nn->nfsd_serv, NULL, nthreads[0]);  in nfsd_set_nrthreads()
747 	if (n > nn->nfsd_serv->sv_nrpools)  in nfsd_set_nrthreads()
748 		n = nn->nfsd_serv->sv_nrpools;  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()
779 	for (i = n; i < nn->nfsd_serv->sv_nrpools; ++i) {  in nfsd_set_nrthreads()
780 		err = svc_set_num_threads(nn->nfsd_serv,  in nfsd_set_nrthreads()
781 					  &nn->nfsd_serv->sv_pools[i],  in nfsd_set_nrthreads()
805 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd_svc()  local
812 	strscpy(nn->nfsd_name, scope ? scope : utsname()->nodename,  in nfsd_svc()
813 		sizeof(nn->nfsd_name));  in nfsd_svc()
818 	serv = nn->nfsd_serv;  in nfsd_svc()
860 	struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);  in nfsd_acl_init_request()  local
864 	    nfsd_vers(nn, rqstp->rq_vers, NFSD_TEST)))  in nfsd_acl_init_request()
870 		    nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_acl_init_request()
880 		    nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_acl_init_request()
905 	struct nfsd_net *nn = net_generic(SVC_NET(rqstp), nfsd_net_id);  in nfsd_init_request()  local
908 	if (likely(nfsd_vers(nn, rqstp->rq_vers, NFSD_TEST)))  in nfsd_init_request()
913 		if (nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_init_request()
922 		if (nfsd_vers(nn, i, NFSD_TEST)) {  in nfsd_init_request()
939 	struct nfsd_net *nn = net_generic(net, nfsd_net_id);  in nfsd()  local
958 		rqstp->rq_server->sv_maxconn = nn->max_connections;  in nfsd()
962 		nfsd_file_net_dispose(nn);  in nfsd()