78 static void nfs_mark_return_delegation(struct nfs_server *server,  in nfs_mark_return_delegation()  argument
82 	set_bit(NFS4SERV_DELEGRETURN, &server->delegation_flags);  in nfs_mark_return_delegation()
83 	set_bit(NFS4CLNT_DELEGRETURN, &server->nfs_client->cl_state);  in nfs_mark_return_delegation()
335 					struct nfs_server *server, int err)  in nfs_abort_delegation_return()  argument
342 			&server->delegation_flags);  in nfs_abort_delegation_return()
344 			&server->nfs_client->cl_state);  in nfs_abort_delegation_return()
375 		struct nfs_server *server)  in nfs_detach_delegation()  argument
377 	struct nfs_client *clp = server->nfs_client;  in nfs_detach_delegation()
389 	struct nfs_server *server = NFS_SERVER(inode);  in nfs_inode_detach_delegation()  local
395 		delegation = nfs_detach_delegation(nfsi, delegation, server);  in nfs_inode_detach_delegation()
446 	struct nfs_server *server = NFS_SERVER(inode);  in nfs_inode_set_delegation()  local
447 	struct nfs_client *clp = server->nfs_client;  in nfs_inode_set_delegation()
493 		dfprintk(FILE, "%s: server %s handed out "  in nfs_inode_set_delegation()
526 	list_add_tail_rcu(&delegation->super_list, &server->delegations);  in nfs_inode_set_delegation()
550  * Basic procedure for returning a delegation to the server
554 	struct nfs_server *server = NFS_SERVER(inode);  in nfs_end_delegation_return()  local
576 		err = nfs4_wait_clnt_recover(server->nfs_client);  in nfs_end_delegation_return()
580 		nfs_abort_delegation_return(delegation, server, err);  in nfs_end_delegation_return()
605 static int nfs_server_return_marked_delegations(struct nfs_server *server,  in nfs_server_return_marked_delegations()  argument
616 				&server->delegation_flags))  in nfs_server_return_marked_delegations()
622 	 * list delegation in the server from the delegations  in nfs_server_return_marked_delegations()
634 		delegation = list_entry_rcu(server->delegations.next,  in nfs_server_return_marked_delegations()
636 	list_for_each_entry_from_rcu(delegation, &server->delegations, super_list) {  in nfs_server_return_marked_delegations()
669 		set_bit(NFS4SERV_DELEGRETURN, &server->delegation_flags);  in nfs_server_return_marked_delegations()
670 		set_bit(NFS4CLNT_DELEGRETURN, &server->nfs_client->cl_state);  in nfs_server_return_marked_delegations()
679 static bool nfs_server_clear_delayed_delegations(struct nfs_server *server)  in nfs_server_clear_delayed_delegations()  argument
685 				&server->delegation_flags))  in nfs_server_clear_delayed_delegations()
687 	list_for_each_entry_rcu (d, &server->delegations, super_list) {  in nfs_server_clear_delayed_delegations()
690 		nfs_mark_return_delegation(server, d);  in nfs_server_clear_delayed_delegations()
700 	struct nfs_server *server;  in nfs_client_clear_delayed_delegations()  local
706 	list_for_each_entry_rcu (server, &clp->cl_superblocks, client_link) {  in nfs_client_clear_delayed_delegations()
707 		if (nfs_server_clear_delayed_delegations(server))  in nfs_client_clear_delayed_delegations()
883 nfs_mark_return_if_closed_delegation(struct nfs_server *server,  in nfs_mark_return_if_closed_delegation()  argument
896 		nfs_mark_return_delegation(server, delegation);  in nfs_mark_return_if_closed_delegation()
903 static bool nfs_server_mark_return_all_delegations(struct nfs_server *server)  in nfs_server_mark_return_all_delegations()  argument
908 	list_for_each_entry_rcu(delegation, &server->delegations, super_list) {  in nfs_server_mark_return_all_delegations()
909 		nfs_mark_return_delegation(server, delegation);  in nfs_server_mark_return_all_delegations()
917 	struct nfs_server *server;  in nfs_client_mark_return_all_delegations()  local
920 	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link)  in nfs_client_mark_return_all_delegations()
921 		nfs_server_mark_return_all_delegations(server);  in nfs_client_mark_return_all_delegations()
944  * @server: pointer to nfs_server to process
947 void nfs_server_return_all_delegations(struct nfs_server *server)  in nfs_server_return_all_delegations()  argument
949 	struct nfs_client *clp = server->nfs_client;  in nfs_server_return_all_delegations()
956 	need_wait = nfs_server_mark_return_all_delegations(server);  in nfs_server_return_all_delegations()
965 static void nfs_mark_return_unused_delegation_types(struct nfs_server *server,  in nfs_mark_return_unused_delegation_types()  argument
970 	list_for_each_entry_rcu(delegation, &server->delegations, super_list) {  in nfs_mark_return_unused_delegation_types()
974 			nfs_mark_return_if_closed_delegation(server, delegation);  in nfs_mark_return_unused_delegation_types()
981 	struct nfs_server *server;  in nfs_client_mark_return_unused_delegation_types()  local
984 	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link)  in nfs_client_mark_return_unused_delegation_types()
985 		nfs_mark_return_unused_delegation_types(server, flags);  in nfs_client_mark_return_unused_delegation_types()
1084 static void nfs_mark_return_unreferenced_delegations(struct nfs_server *server)  in nfs_mark_return_unreferenced_delegations()  argument
1088 	list_for_each_entry_rcu(delegation, &server->delegations, super_list) {  in nfs_mark_return_unreferenced_delegations()
1091 		nfs_mark_return_if_closed_delegation(server, delegation);  in nfs_mark_return_unreferenced_delegations()
1102 	struct nfs_server *server;  in nfs_expire_unreferenced_delegations()  local
1105 	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link)  in nfs_expire_unreferenced_delegations()
1106 		nfs_mark_return_unreferenced_delegations(server);  in nfs_expire_unreferenced_delegations()
1122 	struct nfs_server *server = NFS_SERVER(inode);  in nfs_async_inode_return_delegation()  local
1123 	struct nfs_client *clp = server->nfs_client;  in nfs_async_inode_return_delegation()
1133 	nfs_mark_return_delegation(server, delegation);  in nfs_async_inode_return_delegation()
1147 nfs_delegation_find_inode_server(struct nfs_server *server,  in nfs_delegation_find_inode_server()  argument
1154 	list_for_each_entry_rcu(delegation, &server->delegations, super_list) {  in nfs_delegation_find_inode_server()
1159 			if (nfs_sb_active(server->super)) {  in nfs_delegation_find_inode_server()
1160 				freeme = server->super;  in nfs_delegation_find_inode_server()
1189 	struct nfs_server *server;  in nfs_delegation_find_inode()  local
1193 	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link) {  in nfs_delegation_find_inode()
1194 		res = nfs_delegation_find_inode_server(server, fhandle);  in nfs_delegation_find_inode()
1204 static void nfs_delegation_mark_reclaim_server(struct nfs_server *server)  in nfs_delegation_mark_reclaim_server()  argument
1208 	list_for_each_entry_rcu(delegation, &server->delegations, super_list) {  in nfs_delegation_mark_reclaim_server()
1226 	struct nfs_server *server;  in nfs_delegation_mark_reclaim()  local
1229 	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link)  in nfs_delegation_mark_reclaim()
1230 		nfs_delegation_mark_reclaim_server(server);  in nfs_delegation_mark_reclaim()
1234 static int nfs_server_reap_unclaimed_delegations(struct nfs_server *server,  in nfs_server_reap_unclaimed_delegations()  argument
1241 	list_for_each_entry_rcu(delegation, &server->delegations, super_list) {  in nfs_server_reap_unclaimed_delegations()
1256 						server) != NULL)  in nfs_server_reap_unclaimed_delegations()
1287 static void nfs_mark_test_expired_delegation(struct nfs_server *server,  in nfs_mark_test_expired_delegation()  argument
1294 	set_bit(NFS4SERV_DELEGATION_EXPIRED, &server->delegation_flags);  in nfs_mark_test_expired_delegation()
1295 	set_bit(NFS4CLNT_DELEGATION_EXPIRED, &server->nfs_client->cl_state);  in nfs_mark_test_expired_delegation()
1298 static void nfs_inode_mark_test_expired_delegation(struct nfs_server *server,  in nfs_inode_mark_test_expired_delegation()  argument
1306 		nfs_mark_test_expired_delegation(server, delegation);  in nfs_inode_mark_test_expired_delegation()
1311 static void nfs_delegation_mark_test_expired_server(struct nfs_server *server)  in nfs_delegation_mark_test_expired_server()  argument
1315 	list_for_each_entry_rcu(delegation, &server->delegations, super_list)  in nfs_delegation_mark_test_expired_server()
1316 		nfs_mark_test_expired_delegation(server, delegation);  in nfs_delegation_mark_test_expired_server()
1323  * Iterates through all the delegations associated with this server and
1328 	struct nfs_server *server;  in nfs_mark_test_expired_all_delegations()  local
1331 	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link)  in nfs_mark_test_expired_all_delegations()
1332 		nfs_delegation_mark_test_expired_server(server);  in nfs_mark_test_expired_all_delegations()
1340  * Helper for handling "recallable state revoked" status from server.
1353 	struct nfs_server *server = NFS_SERVER(inode);  in nfs_delegation_test_free_expired()  local
1354 	const struct nfs4_minor_version_ops *ops = server->nfs_client->cl_mvops;  in nfs_delegation_test_free_expired()
1359 	status = ops->test_and_free_expired(server, stateid, cred);  in nfs_delegation_test_free_expired()
1364 static int nfs_server_reap_expired_delegations(struct nfs_server *server,  in nfs_server_reap_expired_delegations()  argument
1371 	unsigned long gen = ++server->delegation_gen;  in nfs_server_reap_expired_delegations()
1374 				&server->delegation_flags))  in nfs_server_reap_expired_delegations()
1378 	list_for_each_entry_rcu(delegation, &server->delegations, super_list) {  in nfs_server_reap_expired_delegations()
1399 		if (!nfs4_server_rebooted(server->nfs_client)) {  in nfs_server_reap_expired_delegations()
1404 		nfs_inode_mark_test_expired_delegation(server,inode);  in nfs_server_reap_expired_delegations()
1405 		set_bit(NFS4SERV_DELEGATION_EXPIRED, &server->delegation_flags);  in nfs_server_reap_expired_delegations()
1407 			&server->nfs_client->cl_state);  in nfs_server_reap_expired_delegations()
1419  * Iterates through all the delegations associated with this server and
1421  * expected to be called in cases where the server may have lost its
1459 	struct nfs_server *server;  in nfs_delegations_present()  local
1463 	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link)  in nfs_delegations_present()
1464 		if (!list_empty(&server->delegations)) {  in nfs_delegations_present()