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()
334 					struct nfs_server *server, int err)  in nfs_abort_delegation_return()  argument
341 			&server->delegation_flags);  in nfs_abort_delegation_return()
343 			&server->nfs_client->cl_state);  in nfs_abort_delegation_return()
374 		struct nfs_server *server)  in nfs_detach_delegation()  argument
376 	struct nfs_client *clp = server->nfs_client;  in nfs_detach_delegation()
388 	struct nfs_server *server = NFS_SERVER(inode);  in nfs_inode_detach_delegation()  local
394 		delegation = nfs_detach_delegation(nfsi, delegation, server);  in nfs_inode_detach_delegation()
445 	struct nfs_server *server = NFS_SERVER(inode);  in nfs_inode_set_delegation()  local
446 	struct nfs_client *clp = server->nfs_client;  in nfs_inode_set_delegation()
492 		dfprintk(FILE, "%s: server %s handed out "  in nfs_inode_set_delegation()
525 	list_add_tail_rcu(&delegation->super_list, &server->delegations);  in nfs_inode_set_delegation()
549  * Basic procedure for returning a delegation to the server
553 	struct nfs_server *server = NFS_SERVER(inode);  in nfs_end_delegation_return()  local
575 		err = nfs4_wait_clnt_recover(server->nfs_client);  in nfs_end_delegation_return()
579 		nfs_abort_delegation_return(delegation, server, err);  in nfs_end_delegation_return()
604 static int nfs_server_return_marked_delegations(struct nfs_server *server,  in nfs_server_return_marked_delegations()  argument
615 				&server->delegation_flags))  in nfs_server_return_marked_delegations()
621 	 * list delegation in the server from the delegations  in nfs_server_return_marked_delegations()
633 		delegation = list_entry_rcu(server->delegations.next,  in nfs_server_return_marked_delegations()
635 	list_for_each_entry_from_rcu(delegation, &server->delegations, super_list) {  in nfs_server_return_marked_delegations()
668 		set_bit(NFS4SERV_DELEGRETURN, &server->delegation_flags);  in nfs_server_return_marked_delegations()
669 		set_bit(NFS4CLNT_DELEGRETURN, &server->nfs_client->cl_state);  in nfs_server_return_marked_delegations()
678 static bool nfs_server_clear_delayed_delegations(struct nfs_server *server)  in nfs_server_clear_delayed_delegations()  argument
684 				&server->delegation_flags))  in nfs_server_clear_delayed_delegations()
686 	list_for_each_entry_rcu (d, &server->delegations, super_list) {  in nfs_server_clear_delayed_delegations()
689 		nfs_mark_return_delegation(server, d);  in nfs_server_clear_delayed_delegations()
699 	struct nfs_server *server;  in nfs_client_clear_delayed_delegations()  local
705 	list_for_each_entry_rcu (server, &clp->cl_superblocks, client_link) {  in nfs_client_clear_delayed_delegations()
706 		if (nfs_server_clear_delayed_delegations(server))  in nfs_client_clear_delayed_delegations()
882 nfs_mark_return_if_closed_delegation(struct nfs_server *server,  in nfs_mark_return_if_closed_delegation()  argument
895 		nfs_mark_return_delegation(server, delegation);  in nfs_mark_return_if_closed_delegation()
902 static bool nfs_server_mark_return_all_delegations(struct nfs_server *server)  in nfs_server_mark_return_all_delegations()  argument
907 	list_for_each_entry_rcu(delegation, &server->delegations, super_list) {  in nfs_server_mark_return_all_delegations()
908 		nfs_mark_return_delegation(server, delegation);  in nfs_server_mark_return_all_delegations()
916 	struct nfs_server *server;  in nfs_client_mark_return_all_delegations()  local
919 	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link)  in nfs_client_mark_return_all_delegations()
920 		nfs_server_mark_return_all_delegations(server);  in nfs_client_mark_return_all_delegations()
943  * @server: pointer to nfs_server to process
946 void nfs_server_return_all_delegations(struct nfs_server *server)  in nfs_server_return_all_delegations()  argument
948 	struct nfs_client *clp = server->nfs_client;  in nfs_server_return_all_delegations()
955 	need_wait = nfs_server_mark_return_all_delegations(server);  in nfs_server_return_all_delegations()
964 static void nfs_mark_return_unused_delegation_types(struct nfs_server *server,  in nfs_mark_return_unused_delegation_types()  argument
969 	list_for_each_entry_rcu(delegation, &server->delegations, super_list) {  in nfs_mark_return_unused_delegation_types()
973 			nfs_mark_return_if_closed_delegation(server, delegation);  in nfs_mark_return_unused_delegation_types()
980 	struct nfs_server *server;  in nfs_client_mark_return_unused_delegation_types()  local
983 	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link)  in nfs_client_mark_return_unused_delegation_types()
984 		nfs_mark_return_unused_delegation_types(server, flags);  in nfs_client_mark_return_unused_delegation_types()
1083 static void nfs_mark_return_unreferenced_delegations(struct nfs_server *server)  in nfs_mark_return_unreferenced_delegations()  argument
1087 	list_for_each_entry_rcu(delegation, &server->delegations, super_list) {  in nfs_mark_return_unreferenced_delegations()
1090 		nfs_mark_return_if_closed_delegation(server, delegation);  in nfs_mark_return_unreferenced_delegations()
1101 	struct nfs_server *server;  in nfs_expire_unreferenced_delegations()  local
1104 	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link)  in nfs_expire_unreferenced_delegations()
1105 		nfs_mark_return_unreferenced_delegations(server);  in nfs_expire_unreferenced_delegations()
1121 	struct nfs_server *server = NFS_SERVER(inode);  in nfs_async_inode_return_delegation()  local
1122 	struct nfs_client *clp = server->nfs_client;  in nfs_async_inode_return_delegation()
1132 	nfs_mark_return_delegation(server, delegation);  in nfs_async_inode_return_delegation()
1146 nfs_delegation_find_inode_server(struct nfs_server *server,  in nfs_delegation_find_inode_server()  argument
1153 	list_for_each_entry_rcu(delegation, &server->delegations, super_list) {  in nfs_delegation_find_inode_server()
1158 			if (nfs_sb_active(server->super)) {  in nfs_delegation_find_inode_server()
1159 				freeme = server->super;  in nfs_delegation_find_inode_server()
1188 	struct nfs_server *server;  in nfs_delegation_find_inode()  local
1192 	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link) {  in nfs_delegation_find_inode()
1193 		res = nfs_delegation_find_inode_server(server, fhandle);  in nfs_delegation_find_inode()
1203 static void nfs_delegation_mark_reclaim_server(struct nfs_server *server)  in nfs_delegation_mark_reclaim_server()  argument
1207 	list_for_each_entry_rcu(delegation, &server->delegations, super_list) {  in nfs_delegation_mark_reclaim_server()
1225 	struct nfs_server *server;  in nfs_delegation_mark_reclaim()  local
1228 	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link)  in nfs_delegation_mark_reclaim()
1229 		nfs_delegation_mark_reclaim_server(server);  in nfs_delegation_mark_reclaim()
1233 static int nfs_server_reap_unclaimed_delegations(struct nfs_server *server,  in nfs_server_reap_unclaimed_delegations()  argument
1240 	list_for_each_entry_rcu(delegation, &server->delegations, super_list) {  in nfs_server_reap_unclaimed_delegations()
1255 						server) != NULL)  in nfs_server_reap_unclaimed_delegations()
1286 static void nfs_mark_test_expired_delegation(struct nfs_server *server,  in nfs_mark_test_expired_delegation()  argument
1293 	set_bit(NFS4SERV_DELEGATION_EXPIRED, &server->delegation_flags);  in nfs_mark_test_expired_delegation()
1294 	set_bit(NFS4CLNT_DELEGATION_EXPIRED, &server->nfs_client->cl_state);  in nfs_mark_test_expired_delegation()
1297 static void nfs_inode_mark_test_expired_delegation(struct nfs_server *server,  in nfs_inode_mark_test_expired_delegation()  argument
1305 		nfs_mark_test_expired_delegation(server, delegation);  in nfs_inode_mark_test_expired_delegation()
1310 static void nfs_delegation_mark_test_expired_server(struct nfs_server *server)  in nfs_delegation_mark_test_expired_server()  argument
1314 	list_for_each_entry_rcu(delegation, &server->delegations, super_list)  in nfs_delegation_mark_test_expired_server()
1315 		nfs_mark_test_expired_delegation(server, delegation);  in nfs_delegation_mark_test_expired_server()
1322  * Iterates through all the delegations associated with this server and
1327 	struct nfs_server *server;  in nfs_mark_test_expired_all_delegations()  local
1330 	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link)  in nfs_mark_test_expired_all_delegations()
1331 		nfs_delegation_mark_test_expired_server(server);  in nfs_mark_test_expired_all_delegations()
1339  * Helper for handling "recallable state revoked" status from server.
1352 	struct nfs_server *server = NFS_SERVER(inode);  in nfs_delegation_test_free_expired()  local
1353 	const struct nfs4_minor_version_ops *ops = server->nfs_client->cl_mvops;  in nfs_delegation_test_free_expired()
1358 	status = ops->test_and_free_expired(server, stateid, cred);  in nfs_delegation_test_free_expired()
1363 static int nfs_server_reap_expired_delegations(struct nfs_server *server,  in nfs_server_reap_expired_delegations()  argument
1370 	unsigned long gen = ++server->delegation_gen;  in nfs_server_reap_expired_delegations()
1373 				&server->delegation_flags))  in nfs_server_reap_expired_delegations()
1377 	list_for_each_entry_rcu(delegation, &server->delegations, super_list) {  in nfs_server_reap_expired_delegations()
1398 		if (!nfs4_server_rebooted(server->nfs_client)) {  in nfs_server_reap_expired_delegations()
1403 		nfs_inode_mark_test_expired_delegation(server,inode);  in nfs_server_reap_expired_delegations()
1404 		set_bit(NFS4SERV_DELEGATION_EXPIRED, &server->delegation_flags);  in nfs_server_reap_expired_delegations()
1406 			&server->nfs_client->cl_state);  in nfs_server_reap_expired_delegations()
1418  * Iterates through all the delegations associated with this server and
1420  * expected to be called in cases where the server may have lost its
1458 	struct nfs_server *server;  in nfs_delegations_present()  local
1462 	list_for_each_entry_rcu(server, &clp->cl_superblocks, client_link)  in nfs_delegations_present()
1463 		if (!list_empty(&server->delegations)) {  in nfs_delegations_present()