66  * If a host is inactive (and holds no locks) for this amount of
72  * We check the host list for idle every few seconds.
168  * A lock to protect the host list and waiting lock list.
198  * nh_pending list of the NLM host.
201 	TAILQ_ENTRY(nlm_async_lock) af_link; /* (l) host's list of locks */
206 	struct nlm_host *af_host;	/* (c) host which is locking */
214  * NLM host.
232 	char		nh_caller_name[MAXNAMELEN]; /* (c) printable name of host */
235 	struct sockaddr_storage	nh_addr; /* (s) remote address of host */
238 	rpcvers_t	nh_vers;	 /* (s) NLM version of host */
239 	int		nh_state;	 /* (s) last seen NSM state of host */
241 	time_t		nh_idle_timeout; /* (s) Time at which host is idle */
488 		 * if the host is running a portmapper at all, we should be able  in nlm_get_rpc()
503 				    "stat = %d, host = %s, port = %d\n",  in nlm_get_rpc()
512 				    "stat = %d, host = %s, port = %d\n",  in nlm_get_rpc()
562  * granted. We notify the host which initiated the request.
576 	 * Send the results back to the host.  in nlm_lock_callback()
647 	struct nlm_host *host = af->af_host;  in nlm_cancel_async_lock()  local
650 	mtx_assert(&host->nh_lock, MA_OWNED);  in nlm_cancel_async_lock()
652 	mtx_unlock(&host->nh_lock);  in nlm_cancel_async_lock()
665 	mtx_lock(&host->nh_lock);  in nlm_cancel_async_lock()
669 		    "cancelled\n", af, host->nh_caller_name, host->nh_sysid);  in nlm_cancel_async_lock()
675 		TAILQ_REMOVE(&host->nh_pending, af, af_link);  in nlm_cancel_async_lock()
676 		mtx_unlock(&host->nh_lock);  in nlm_cancel_async_lock()
678 		mtx_lock(&host->nh_lock);  in nlm_cancel_async_lock()
685 nlm_check_expired_locks(struct nlm_host *host)  in nlm_check_expired_locks()  argument
690 	mtx_lock(&host->nh_lock);  in nlm_check_expired_locks()
691 	while ((af = TAILQ_FIRST(&host->nh_granted)) != NULL  in nlm_check_expired_locks()
697 		TAILQ_REMOVE(&host->nh_granted, af, af_link);  in nlm_check_expired_locks()
698 		mtx_unlock(&host->nh_lock);  in nlm_check_expired_locks()
700 		mtx_lock(&host->nh_lock);  in nlm_check_expired_locks()
702 	while ((af = TAILQ_FIRST(&host->nh_finished)) != NULL) {  in nlm_check_expired_locks()
703 		TAILQ_REMOVE(&host->nh_finished, af, af_link);  in nlm_check_expired_locks()
704 		mtx_unlock(&host->nh_lock);  in nlm_check_expired_locks()
706 		mtx_lock(&host->nh_lock);  in nlm_check_expired_locks()
708 	mtx_unlock(&host->nh_lock);  in nlm_check_expired_locks()
712  * Free resources used by a host. This is called after the reference
716 nlm_host_destroy(struct nlm_host *host)  in nlm_host_destroy()  argument
720 	TAILQ_REMOVE(&nlm_hosts, host, nh_link);  in nlm_host_destroy()
723 	if (host->nh_srvrpc.nr_client)  in nlm_host_destroy()
724 		CLNT_RELEASE(host->nh_srvrpc.nr_client);  in nlm_host_destroy()
725 	if (host->nh_clntrpc.nr_client)  in nlm_host_destroy()
726 		CLNT_RELEASE(host->nh_clntrpc.nr_client);  in nlm_host_destroy()
727 	mtx_destroy(&host->nh_lock);  in nlm_host_destroy()
728 	sysctl_ctx_free(&host->nh_sysctl);  in nlm_host_destroy()
729 	free(host, M_NLM);  in nlm_host_destroy()
738 	struct nlm_host *host = (struct nlm_host *) arg;  in nlm_client_recovery_start()  local
741 	    host->nh_caller_name);  in nlm_client_recovery_start()
743 	nlm_client_recovery(host);  in nlm_client_recovery_start()
746 	    host->nh_caller_name);  in nlm_client_recovery_start()
748 	host->nh_monstate = NLM_MONITORED;  in nlm_client_recovery_start()
749 	nlm_host_release(host);  in nlm_client_recovery_start()
755  * This is called when we receive a host state change notification. We
756  * unlock any active locks owned by the host. When rpc.lockd is
762 nlm_host_notify(struct nlm_host *host, int newstate)  in nlm_host_notify()  argument
767 		NLM_DEBUG(1, "NLM: host %s (sysid %d) rebooted, new "  in nlm_host_notify()
768 		    "state is %d\n", host->nh_caller_name,  in nlm_host_notify()
769 		    host->nh_sysid, newstate);  in nlm_host_notify()
773 	 * Cancel any pending async locks for this host.  in nlm_host_notify()
775 	mtx_lock(&host->nh_lock);  in nlm_host_notify()
776 	while ((af = TAILQ_FIRST(&host->nh_pending)) != NULL) {  in nlm_host_notify()
783 	mtx_unlock(&host->nh_lock);  in nlm_host_notify()
784 	nlm_check_expired_locks(host);  in nlm_host_notify()
787 	 * The host just rebooted - trash its locks.  in nlm_host_notify()
789 	lf_clearremotesys(host->nh_sysid);  in nlm_host_notify()
790 	host->nh_state = newstate;  in nlm_host_notify()
793 	 * If we have any remote locks for this host (i.e. it  in nlm_host_notify()
798 	    && host->nh_monstate != NLM_RECOVERING  in nlm_host_notify()
799 	    && lf_countlocks(NLM_SYSID_CLIENT | host->nh_sysid) > 0) {  in nlm_host_notify()
801 		host->nh_monstate = NLM_RECOVERING;  in nlm_host_notify()
802 		refcount_acquire(&host->nh_refs);  in nlm_host_notify()
803 		kthread_add(nlm_client_recovery_start, host, curproc, &td, 0, 0,  in nlm_host_notify()
804 		    "NFS lock recovery for %s", host->nh_caller_name);  in nlm_host_notify()
814 	struct nlm_host *host;  in nlm_host_lock_count_sysctl()  local
817 	host = oidp->oid_arg1;  in nlm_host_lock_count_sysctl()
818 	count = lf_countlocks(host->nh_sysid);  in nlm_host_lock_count_sysctl()
828 	struct nlm_host *host;  in nlm_host_client_lock_count_sysctl()  local
831 	host = oidp->oid_arg1;  in nlm_host_client_lock_count_sysctl()
832 	count = lf_countlocks(NLM_SYSID_CLIENT | host->nh_sysid);  in nlm_host_client_lock_count_sysctl()
837  * Create a new NLM host.
842 	struct nlm_host *host;  in nlm_create_host()  local
847 	NLM_DEBUG(1, "NLM: new host %s (sysid %d)\n",  in nlm_create_host()
849 	host = malloc(sizeof(struct nlm_host), M_NLM, M_NOWAIT|M_ZERO);  in nlm_create_host()
850 	if (!host)  in nlm_create_host()
852 	mtx_init(&host->nh_lock, "nh_lock", NULL, MTX_DEF);  in nlm_create_host()
853 	refcount_init(&host->nh_refs, 1);  in nlm_create_host()
854 	strlcpy(host->nh_caller_name, caller_name, MAXNAMELEN);  in nlm_create_host()
855 	host->nh_sysid = nlm_next_sysid++;  in nlm_create_host()
856 	snprintf(host->nh_sysid_string, sizeof(host->nh_sysid_string),  in nlm_create_host()
857 		"%d", host->nh_sysid);  in nlm_create_host()
858 	host->nh_vers = 0;  in nlm_create_host()
859 	host->nh_state = 0;  in nlm_create_host()
860 	host->nh_monstate = NLM_UNMONITORED;  in nlm_create_host()
861 	host->nh_grantcookie = 1;  in nlm_create_host()
862 	TAILQ_INIT(&host->nh_pending);  in nlm_create_host()
863 	TAILQ_INIT(&host->nh_granted);  in nlm_create_host()
864 	TAILQ_INIT(&host->nh_finished);  in nlm_create_host()
865 	TAILQ_INSERT_TAIL(&nlm_hosts, host, nh_link);  in nlm_create_host()
869 	sysctl_ctx_init(&host->nh_sysctl);  in nlm_create_host()
870 	oid = SYSCTL_ADD_NODE(&host->nh_sysctl,  in nlm_create_host()
872 	    OID_AUTO, host->nh_sysid_string, CTLFLAG_RD | CTLFLAG_MPSAFE,  in nlm_create_host()
874 	SYSCTL_ADD_STRING(&host->nh_sysctl, SYSCTL_CHILDREN(oid), OID_AUTO,  in nlm_create_host()
875 	    "hostname", CTLFLAG_RD, host->nh_caller_name, 0, "");  in nlm_create_host()
876 	SYSCTL_ADD_UINT(&host->nh_sysctl, SYSCTL_CHILDREN(oid), OID_AUTO,  in nlm_create_host()
877 	    "version", CTLFLAG_RD, &host->nh_vers, 0, "");  in nlm_create_host()
878 	SYSCTL_ADD_UINT(&host->nh_sysctl, SYSCTL_CHILDREN(oid), OID_AUTO,  in nlm_create_host()
879 	    "monitored", CTLFLAG_RD, &host->nh_monstate, 0, "");  in nlm_create_host()
880 	SYSCTL_ADD_PROC(&host->nh_sysctl, SYSCTL_CHILDREN(oid), OID_AUTO,  in nlm_create_host()
881 	    "lock_count", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, host,  in nlm_create_host()
883 	SYSCTL_ADD_PROC(&host->nh_sysctl, SYSCTL_CHILDREN(oid), OID_AUTO,  in nlm_create_host()
885 	    host, 0, nlm_host_client_lock_count_sysctl, "I", "");  in nlm_create_host()
889 	return (host);  in nlm_create_host()
941  * the host structure here, possibly after a larger timeout but that
948 	struct nlm_host *host;  in nlm_check_idle()  local
957 	TAILQ_FOREACH(host, &nlm_hosts, nh_link) {  in nlm_check_idle()
958 		if (host->nh_monstate == NLM_MONITORED  in nlm_check_idle()
959 		    && time_uptime > host->nh_idle_timeout) {  in nlm_check_idle()
961 			if (lf_countlocks(host->nh_sysid) > 0  in nlm_check_idle()
963 				+ host->nh_sysid)) {  in nlm_check_idle()
964 				host->nh_idle_timeout =  in nlm_check_idle()
969 			nlm_host_unmonitor(host);  in nlm_check_idle()
976  * Search for an existing NLM host that matches the given name
978  * found, create a new host. If 'addr' is non-NULL, record the remote
979  * address of the host so that we can call it back for async
987 	struct nlm_host *host;  in nlm_find_host_by_name()  local
992 	 * The remote host is determined by caller_name.  in nlm_find_host_by_name()
994 	TAILQ_FOREACH(host, &nlm_hosts, nh_link) {  in nlm_find_host_by_name()
995 		if (!strcmp(host->nh_caller_name, name))  in nlm_find_host_by_name()
999 	if (!host) {  in nlm_find_host_by_name()
1000 		host = nlm_create_host(name);  in nlm_find_host_by_name()
1001 		if (!host) {  in nlm_find_host_by_name()
1006 	refcount_acquire(&host->nh_refs);  in nlm_find_host_by_name()
1008 	host->nh_idle_timeout = time_uptime + NLM_IDLE_TIMEOUT;  in nlm_find_host_by_name()
1011 	 * If we have an address for the host, record it so that we  in nlm_find_host_by_name()
1024 		if (host->nh_addr.ss_len && host->nh_srvrpc.nr_client) {  in nlm_find_host_by_name()
1026 				    (struct sockaddr *) &host->nh_addr,  in nlm_find_host_by_name()
1028 			    || host->nh_vers != vers) {  in nlm_find_host_by_name()
1030 				mtx_lock(&host->nh_lock);  in nlm_find_host_by_name()
1031 				client = host->nh_srvrpc.nr_client;  in nlm_find_host_by_name()
1032 				host->nh_srvrpc.nr_client = NULL;  in nlm_find_host_by_name()
1033 				mtx_unlock(&host->nh_lock);  in nlm_find_host_by_name()
1039 		memcpy(&host->nh_addr, addr, addr->sa_len);  in nlm_find_host_by_name()
1040 		host->nh_vers = vers;  in nlm_find_host_by_name()
1047 	return (host);  in nlm_find_host_by_name()
1051  * Search for an existing NLM host that matches the given remote
1052  * address. If none is found, create a new host with the requested
1054  * that host.
1064 	struct nlm_host *host;  in nlm_find_host_by_addr()  local
1086 	 * The remote host is determined by caller_name.  in nlm_find_host_by_addr()
1088 	TAILQ_FOREACH(host, &nlm_hosts, nh_link) {  in nlm_find_host_by_addr()
1090 			(const struct sockaddr *) &host->nh_addr))  in nlm_find_host_by_addr()
1094 	if (!host) {  in nlm_find_host_by_addr()
1095 		host = nlm_create_host(tmp);  in nlm_find_host_by_addr()
1096 		if (!host) {  in nlm_find_host_by_addr()
1100 		memcpy(&host->nh_addr, addr, addr->sa_len);  in nlm_find_host_by_addr()
1101 		host->nh_vers = vers;  in nlm_find_host_by_addr()
1103 	refcount_acquire(&host->nh_refs);  in nlm_find_host_by_addr()
1105 	host->nh_idle_timeout = time_uptime + NLM_IDLE_TIMEOUT;  in nlm_find_host_by_addr()
1111 	return (host);  in nlm_find_host_by_addr()
1115  * Find the NLM host that matches the value of 'sysid'. If none
1121 	struct nlm_host *host;  in nlm_find_host_by_sysid()  local
1123 	TAILQ_FOREACH(host, &nlm_hosts, nh_link) {  in nlm_find_host_by_sysid()
1124 		if (host->nh_sysid == sysid) {  in nlm_find_host_by_sysid()
1125 			refcount_acquire(&host->nh_refs);  in nlm_find_host_by_sysid()
1126 			return (host);  in nlm_find_host_by_sysid()
1133 void nlm_host_release(struct nlm_host *host)  in nlm_host_release()  argument
1135 	if (refcount_release(&host->nh_refs)) {  in nlm_host_release()
1137 		 * Free the host  in nlm_host_release()
1139 		nlm_host_destroy(host);  in nlm_host_release()
1144  * Unregister this NLM host with the local NSM due to idleness.
1147 nlm_host_unmonitor(struct nlm_host *host)  in nlm_host_unmonitor()  argument
1155 	    host->nh_caller_name, host->nh_sysid);  in nlm_host_unmonitor()
1159 	 * make it simpler to find the host if we are notified of a  in nlm_host_unmonitor()
1160 	 * host restart.  in nlm_host_unmonitor()
1162 	smmonid.mon_name = host->nh_caller_name;  in nlm_host_unmonitor()
1180 		    host->nh_caller_name);  in nlm_host_unmonitor()
1184 	host->nh_monstate = NLM_UNMONITORED;  in nlm_host_unmonitor()
1188  * Register this NLM host with the local NSM so that we can be
1192 nlm_host_monitor(struct nlm_host *host, int state)  in nlm_host_monitor()  argument
1199 	if (state && !host->nh_state) {  in nlm_host_monitor()
1202 		 * value for this host. We record it here to help  in nlm_host_monitor()
1203 		 * detect host reboots.  in nlm_host_monitor()
1205 		host->nh_state = state;  in nlm_host_monitor()
1206 		NLM_DEBUG(1, "NLM: host %s (sysid %d) has NSM state %d\n",  in nlm_host_monitor()
1207 		    host->nh_caller_name, host->nh_sysid, state);  in nlm_host_monitor()
1210 	mtx_lock(&host->nh_lock);  in nlm_host_monitor()
1211 	if (host->nh_monstate != NLM_UNMONITORED) {  in nlm_host_monitor()
1212 		mtx_unlock(&host->nh_lock);  in nlm_host_monitor()
1215 	host->nh_monstate = NLM_MONITORED;  in nlm_host_monitor()
1216 	mtx_unlock(&host->nh_lock);  in nlm_host_monitor()
1219 	    host->nh_caller_name, host->nh_sysid);  in nlm_host_monitor()
1223 	 * make it simpler to find the host if we are notified of a  in nlm_host_monitor()
1224 	 * host restart.  in nlm_host_monitor()
1226 	smmon.mon_id.mon_name = host->nh_caller_name;  in nlm_host_monitor()
1231 	memcpy(smmon.priv, &host->nh_sysid, sizeof(host->nh_sysid));  in nlm_host_monitor()
1245 		    host->nh_caller_name);  in nlm_host_monitor()
1246 		mtx_lock(&host->nh_lock);  in nlm_host_monitor()
1247 		host->nh_monstate = NLM_MONITOR_FAILED;  in nlm_host_monitor()
1248 		mtx_unlock(&host->nh_lock);  in nlm_host_monitor()
1252 	host->nh_monstate = NLM_MONITORED;  in nlm_host_monitor()
1257  * running on the given host.
1260 nlm_host_get_rpc(struct nlm_host *host, bool_t isserver)  in nlm_host_get_rpc()  argument
1265 	mtx_lock(&host->nh_lock);  in nlm_host_get_rpc()
1268 		rpc = &host->nh_srvrpc;  in nlm_host_get_rpc()
1270 		rpc = &host->nh_clntrpc;  in nlm_host_get_rpc()
1283 		mtx_unlock(&host->nh_lock);  in nlm_host_get_rpc()
1285 		mtx_lock(&host->nh_lock);  in nlm_host_get_rpc()
1289 		mtx_unlock(&host->nh_lock);  in nlm_host_get_rpc()
1290 		client = nlm_get_rpc((struct sockaddr *)&host->nh_addr,  in nlm_host_get_rpc()
1291 		    NLM_PROG, host->nh_vers);  in nlm_host_get_rpc()
1292 		mtx_lock(&host->nh_lock);  in nlm_host_get_rpc()
1296 				mtx_unlock(&host->nh_lock);  in nlm_host_get_rpc()
1298 				mtx_lock(&host->nh_lock);  in nlm_host_get_rpc()
1309 	mtx_unlock(&host->nh_lock);  in nlm_host_get_rpc()
1315 int nlm_host_get_sysid(struct nlm_host *host)  in nlm_host_get_sysid()  argument
1318 	return (host->nh_sysid);  in nlm_host_get_sysid()
1322 nlm_host_get_state(struct nlm_host *host)  in nlm_host_get_state()  argument
1325 	return (host->nh_state);  in nlm_host_get_state()
1541 	struct nlm_host *host, *nhost;  in nlm_server_main()  local
1679 	 * nlm_hosts to the host (which may remove it from the list  in nlm_server_main()
1688 	TAILQ_FOREACH_SAFE(host, &nlm_hosts, nh_link, nhost) {  in nlm_server_main()
1690 		nlm_host_notify(host, 0);  in nlm_server_main()
1691 		nlm_host_release(host);  in nlm_server_main()
1727 	struct nlm_host *host;  in nlm_sm_notify()  local
1731 	host = nlm_find_host_by_sysid(sysid);  in nlm_sm_notify()
1732 	if (host) {  in nlm_sm_notify()
1733 		nlm_host_notify(host, argp->state);  in nlm_sm_notify()
1734 		nlm_host_release(host);  in nlm_sm_notify()
1751 nlm_get_vfs_state(struct nlm_host *host, struct svc_req *rqstp,  in nlm_get_vfs_state()  argument
1768 		    (struct sockaddr *)&host->nh_addr, &exflags, &credanon,  in nlm_get_vfs_state()
1855 	struct nlm_host *host, *bhost;  in nlm_do_test()  local
1863 	host = nlm_find_host_by_name(argp->alock.caller_name,  in nlm_do_test()
1865 	if (!host) {  in nlm_do_test()
1871 	    host->nh_caller_name, host->nh_sysid);  in nlm_do_test()
1873 	nlm_check_expired_locks(host);  in nlm_do_test()
1874 	sysid = host->nh_sysid;  in nlm_do_test()
1885 	error = nlm_get_vfs_state(host, rqstp, &fh, &vs, accmode);  in nlm_do_test()
1919 			 * a space for the owning host's name allowing  in nlm_do_test()
1925 			 * the first four bytes of the host  in nlm_do_test()
1942 		*rpcp = nlm_host_get_rpc(host, TRUE);  in nlm_do_test()
1943 	nlm_host_release(host);  in nlm_do_test()
1953 	struct nlm_host *host;  in nlm_do_lock()  local
1961 	host = nlm_find_host_by_name(argp->alock.caller_name,  in nlm_do_lock()
1963 	if (!host) {  in nlm_do_lock()
1969 	    host->nh_caller_name, host->nh_sysid);  in nlm_do_lock()
1971 	if (monitor && host->nh_state && argp->state  in nlm_do_lock()
1972 	    && host->nh_state != argp->state) {  in nlm_do_lock()
1974 		 * The host rebooted without telling us. Trash its  in nlm_do_lock()
1977 		nlm_host_notify(host, argp->state);  in nlm_do_lock()
1980 	nlm_check_expired_locks(host);  in nlm_do_lock()
1981 	sysid = host->nh_sysid;  in nlm_do_lock()
1992 	error = nlm_get_vfs_state(host, rqstp, &fh, &vs, accmode);  in nlm_do_lock()
2013 		 * First, make sure we can contact the host's NLM.  in nlm_do_lock()
2015 		client = nlm_host_get_rpc(host, TRUE);  in nlm_do_lock()
2027 		mtx_lock(&host->nh_lock);  in nlm_do_lock()
2028 		TAILQ_FOREACH(af, &host->nh_pending, af_link) {  in nlm_do_lock()
2037 			cookie.ng_sysid = host->nh_sysid;  in nlm_do_lock()
2038 			cookie.ng_cookie = host->nh_grantcookie++;  in nlm_do_lock()
2040 		mtx_unlock(&host->nh_lock);  in nlm_do_lock()
2052 		af->af_host = host;  in nlm_do_lock()
2079 		mtx_lock(&host->nh_lock);  in nlm_do_lock()
2080 		TAILQ_INSERT_TAIL(&host->nh_pending, af, af_link);  in nlm_do_lock()
2081 		mtx_unlock(&host->nh_lock);  in nlm_do_lock()
2092 			mtx_lock(&host->nh_lock);  in nlm_do_lock()
2093 			TAILQ_REMOVE(&host->nh_pending, af, af_link);  in nlm_do_lock()
2094 			mtx_unlock(&host->nh_lock);  in nlm_do_lock()
2100 			    "(sysid %d)\n", af, host->nh_caller_name, sysid);  in nlm_do_lock()
2124 			nlm_host_monitor(host, argp->state);  in nlm_do_lock()
2131 		*rpcp = nlm_host_get_rpc(host, TRUE);  in nlm_do_lock()
2132 	nlm_host_release(host);  in nlm_do_lock()
2142 	struct nlm_host *host;  in nlm_do_cancel()  local
2150 	host = nlm_find_host_by_name(argp->alock.caller_name,  in nlm_do_cancel()
2152 	if (!host) {  in nlm_do_cancel()
2158 	    host->nh_caller_name, host->nh_sysid);  in nlm_do_cancel()
2160 	nlm_check_expired_locks(host);  in nlm_do_cancel()
2161 	sysid = host->nh_sysid;  in nlm_do_cancel()
2171 	error = nlm_get_vfs_state(host, rqstp, &fh, &vs, (accmode_t)0);  in nlm_do_cancel()
2191 	mtx_lock(&host->nh_lock);  in nlm_do_cancel()
2193 	TAILQ_FOREACH(af, &host->nh_pending, af_link) {  in nlm_do_cancel()
2203 		mtx_unlock(&host->nh_lock);  in nlm_do_cancel()
2216 	mtx_unlock(&host->nh_lock);  in nlm_do_cancel()
2221 		*rpcp = nlm_host_get_rpc(host, TRUE);  in nlm_do_cancel()
2222 	nlm_host_release(host);  in nlm_do_cancel()
2232 	struct nlm_host *host;  in nlm_do_unlock()  local
2239 	host = nlm_find_host_by_name(argp->alock.caller_name,  in nlm_do_unlock()
2241 	if (!host) {  in nlm_do_unlock()
2247 	    host->nh_caller_name, host->nh_sysid);  in nlm_do_unlock()
2249 	nlm_check_expired_locks(host);  in nlm_do_unlock()
2250 	sysid = host->nh_sysid;  in nlm_do_unlock()
2260 	error = nlm_get_vfs_state(host, rqstp, &fh, &vs, (accmode_t)0);  in nlm_do_unlock()
2283 		*rpcp = nlm_host_get_rpc(host, TRUE);  in nlm_do_unlock()
2284 	nlm_host_release(host);  in nlm_do_unlock()
2293 	struct nlm_host *host;  in nlm_do_granted()  local
2298 	host = nlm_find_host_by_addr(svc_getrpccaller(rqstp), rqstp->rq_vers);  in nlm_do_granted()
2299 	if (!host) {  in nlm_do_granted()
2328 		*rpcp = nlm_host_get_rpc(host, TRUE);  in nlm_do_granted()
2329 	nlm_host_release(host);  in nlm_do_granted()
2336 	struct nlm_host *host = NULL;  in nlm_do_granted_res()  local
2345 	host = nlm_find_host_by_sysid(ng_sysid(&argp->cookie));  in nlm_do_granted_res()
2346 	if (!host) {  in nlm_do_granted_res()
2347 		NLM_DEBUG(1, "NLM: Unknown host rejected our grant");  in nlm_do_granted_res()
2351 	mtx_lock(&host->nh_lock);  in nlm_do_granted_res()
2352 	TAILQ_FOREACH(af, &host->nh_granted, af_link)  in nlm_do_granted_res()
2357 		TAILQ_REMOVE(&host->nh_granted, af, af_link);  in nlm_do_granted_res()
2358 	mtx_unlock(&host->nh_lock);  in nlm_do_granted_res()
2361 		NLM_DEBUG(1, "NLM: host %s (sysid %d) replied to our grant "  in nlm_do_granted_res()
2362 		    "with unrecognized cookie %d:%d", host->nh_caller_name,  in nlm_do_granted_res()
2363 		    host->nh_sysid, ng_sysid(&argp->cookie),  in nlm_do_granted_res()
2372 			NLM_DEBUG(1, "NLM: host %s (sysid %d) rejected our grant "  in nlm_do_granted_res()
2373 			    "and we failed to unlock (%d)", host->nh_caller_name,  in nlm_do_granted_res()
2374 			    host->nh_sysid, error);  in nlm_do_granted_res()
2378 		NLM_DEBUG(5, "NLM: async lock %p rejected by host %s (sysid %d)",  in nlm_do_granted_res()
2379 		    af, host->nh_caller_name, host->nh_sysid);  in nlm_do_granted_res()
2381 		NLM_DEBUG(5, "NLM: async lock %p accepted by host %s (sysid %d)",  in nlm_do_granted_res()
2382 		    af, host->nh_caller_name, host->nh_sysid);  in nlm_do_granted_res()
2388 	if (host)  in nlm_do_granted_res()
2389 		nlm_host_release(host);  in nlm_do_granted_res()
2395 	struct nlm_host *host, *thost;  in nlm_do_free_all()  local
2397 	TAILQ_FOREACH_SAFE(host, &nlm_hosts, nh_link, thost) {  in nlm_do_free_all()
2398 		if (!strcmp(host->nh_caller_name, argp->name))  in nlm_do_free_all()
2399 			nlm_host_notify(host, argp->state);  in nlm_do_free_all()