217 static void pnfs_init_server(struct nfs_server *server)  in pnfs_init_server()  argument
219 	rpc_init_wait_queue(&server->roc_rpcwaitq, "pNFS ROC");  in pnfs_init_server()
231 static void pnfs_init_server(struct nfs_server *server)  in pnfs_init_server()  argument
625 static void nfs_destroy_server(struct nfs_server *server)  in nfs_destroy_server()  argument
627 	if (server->nlm_host)  in nfs_destroy_server()
628 		nlmclnt_done(server->nlm_host);  in nfs_destroy_server()
634 static int nfs_start_lockd(struct nfs_server *server)  in nfs_start_lockd()  argument
637 	struct nfs_client *clp = server->nfs_client;  in nfs_start_lockd()
643 		.noresvport	= server->flags & NFS_MOUNT_NORESVPORT ?  in nfs_start_lockd()
650 	if ((server->flags & NFS_MOUNT_LOCAL_FLOCK) &&  in nfs_start_lockd()
651 			(server->flags & NFS_MOUNT_LOCAL_FCNTL))  in nfs_start_lockd()
666 	server->nlm_host = host;  in nfs_start_lockd()
667 	server->destroy = nfs_destroy_server;  in nfs_start_lockd()
674 int nfs_init_server_rpcclient(struct nfs_server *server,  in nfs_init_server_rpcclient()  argument
678 	struct nfs_client *clp = server->nfs_client;  in nfs_init_server_rpcclient()
680 	server->client = rpc_clone_client_set_auth(clp->cl_rpcclient,  in nfs_init_server_rpcclient()
682 	if (IS_ERR(server->client)) {  in nfs_init_server_rpcclient()
684 		return PTR_ERR(server->client);  in nfs_init_server_rpcclient()
687 	memcpy(&server->client->cl_timeout_default,  in nfs_init_server_rpcclient()
689 			sizeof(server->client->cl_timeout_default));  in nfs_init_server_rpcclient()
690 	server->client->cl_timeout = &server->client->cl_timeout_default;  in nfs_init_server_rpcclient()
691 	server->client->cl_softrtry = 0;  in nfs_init_server_rpcclient()
692 	if (server->flags & NFS_MOUNT_SOFT)  in nfs_init_server_rpcclient()
693 		server->client->cl_softrtry = 1;  in nfs_init_server_rpcclient()
741 static int nfs_init_server(struct nfs_server *server,  in nfs_init_server()  argument
771 	server->nfs_client = clp;  in nfs_init_server()
774 	server->flags = data->flags;  in nfs_init_server()
775 	server->options = data->options;  in nfs_init_server()
776 	server->caps |= NFS_CAP_HARDLINKS|NFS_CAP_SYMLINKS|NFS_CAP_FILEID|  in nfs_init_server()
781 		server->rsize = nfs_block_size(data->rsize, NULL);  in nfs_init_server()
783 		server->wsize = nfs_block_size(data->wsize, NULL);  in nfs_init_server()
785 	server->acregmin = data->acregmin * HZ;  in nfs_init_server()
786 	server->acregmax = data->acregmax * HZ;  in nfs_init_server()
787 	server->acdirmin = data->acdirmin * HZ;  in nfs_init_server()
788 	server->acdirmax = data->acdirmax * HZ;  in nfs_init_server()
791 	error = nfs_start_lockd(server);  in nfs_init_server()
795 	server->port = data->nfs_server.port;  in nfs_init_server()
796 	server->auth_info = data->auth_info;  in nfs_init_server()
798 	error = nfs_init_server_rpcclient(server, &timeparms,  in nfs_init_server()
805 		memcpy(&server->mountd_address, &data->mount_server.address,  in nfs_init_server()
807 		server->mountd_addrlen = data->mount_server.addrlen;  in nfs_init_server()
809 	server->mountd_version = data->mount_server.version;  in nfs_init_server()
810 	server->mountd_port = data->mount_server.port;  in nfs_init_server()
811 	server->mountd_protocol = data->mount_server.protocol;  in nfs_init_server()
813 	server->namelen  = data->namlen;  in nfs_init_server()
818 	server->nfs_client = NULL;  in nfs_init_server()
827 static void nfs_server_set_fsinfo(struct nfs_server *server,  in nfs_server_set_fsinfo()  argument
834 	if (server->rsize == 0)  in nfs_server_set_fsinfo()
835 		server->rsize = nfs_block_size(fsinfo->rtpref, NULL);  in nfs_server_set_fsinfo()
836 	if (server->wsize == 0)  in nfs_server_set_fsinfo()
837 		server->wsize = nfs_block_size(fsinfo->wtpref, NULL);  in nfs_server_set_fsinfo()
839 	if (fsinfo->rtmax >= 512 && server->rsize > fsinfo->rtmax)  in nfs_server_set_fsinfo()
840 		server->rsize = nfs_block_size(fsinfo->rtmax, NULL);  in nfs_server_set_fsinfo()
841 	if (fsinfo->wtmax >= 512 && server->wsize > fsinfo->wtmax)  in nfs_server_set_fsinfo()
842 		server->wsize = nfs_block_size(fsinfo->wtmax, NULL);  in nfs_server_set_fsinfo()
844 	max_rpc_payload = nfs_block_size(rpc_max_payload(server->client), NULL);  in nfs_server_set_fsinfo()
845 	if (server->rsize > max_rpc_payload)  in nfs_server_set_fsinfo()
846 		server->rsize = max_rpc_payload;  in nfs_server_set_fsinfo()
847 	if (server->rsize > NFS_MAX_FILE_IO_SIZE)  in nfs_server_set_fsinfo()
848 		server->rsize = NFS_MAX_FILE_IO_SIZE;  in nfs_server_set_fsinfo()
849 	server->rpages = (server->rsize + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;  in nfs_server_set_fsinfo()
851 	server->backing_dev_info.name = "nfs";  in nfs_server_set_fsinfo()
852 	server->backing_dev_info.ra_pages = server->rpages * NFS_MAX_READAHEAD;  in nfs_server_set_fsinfo()
854 	if (server->wsize > max_rpc_payload)  in nfs_server_set_fsinfo()
855 		server->wsize = max_rpc_payload;  in nfs_server_set_fsinfo()
856 	if (server->wsize > NFS_MAX_FILE_IO_SIZE)  in nfs_server_set_fsinfo()
857 		server->wsize = NFS_MAX_FILE_IO_SIZE;  in nfs_server_set_fsinfo()
858 	server->wpages = (server->wsize + PAGE_CACHE_SIZE - 1) >> PAGE_CACHE_SHIFT;  in nfs_server_set_fsinfo()
860 	server->wtmult = nfs_block_bits(fsinfo->wtmult, NULL);  in nfs_server_set_fsinfo()
862 	server->dtsize = nfs_block_size(fsinfo->dtpref, NULL);  in nfs_server_set_fsinfo()
863 	if (server->dtsize > PAGE_CACHE_SIZE * NFS_MAX_READDIR_PAGES)  in nfs_server_set_fsinfo()
864 		server->dtsize = PAGE_CACHE_SIZE * NFS_MAX_READDIR_PAGES;  in nfs_server_set_fsinfo()
865 	if (server->dtsize > server->rsize)  in nfs_server_set_fsinfo()
866 		server->dtsize = server->rsize;  in nfs_server_set_fsinfo()
868 	if (server->flags & NFS_MOUNT_NOAC) {  in nfs_server_set_fsinfo()
869 		server->acregmin = server->acregmax = 0;  in nfs_server_set_fsinfo()
870 		server->acdirmin = server->acdirmax = 0;  in nfs_server_set_fsinfo()
873 	server->maxfilesize = fsinfo->maxfilesize;  in nfs_server_set_fsinfo()
875 	server->time_delta = fsinfo->time_delta;  in nfs_server_set_fsinfo()
878 	rpc_setbufsize(server->client, server->wsize + 100, server->rsize + 100);  in nfs_server_set_fsinfo()
884 int nfs_probe_fsinfo(struct nfs_server *server, struct nfs_fh *mntfh, struct nfs_fattr *fattr)  in nfs_probe_fsinfo()  argument
887 	struct nfs_client *clp = server->nfs_client;  in nfs_probe_fsinfo()
893 		error = clp->rpc_ops->set_capabilities(server, mntfh);  in nfs_probe_fsinfo()
900 	error = clp->rpc_ops->fsinfo(server, mntfh, &fsinfo);  in nfs_probe_fsinfo()
904 	nfs_server_set_fsinfo(server, mntfh, &fsinfo);  in nfs_probe_fsinfo()
907 	if (server->namelen == 0) {  in nfs_probe_fsinfo()
913 		if (clp->rpc_ops->pathconf(server, mntfh, &pathinfo) >= 0)  in nfs_probe_fsinfo()
914 			server->namelen = pathinfo.max_namelen;  in nfs_probe_fsinfo()
944 void nfs_server_insert_lists(struct nfs_server *server)  in nfs_server_insert_lists()  argument
946 	struct nfs_client *clp = server->nfs_client;  in nfs_server_insert_lists()
950 	list_add_tail_rcu(&server->client_link, &clp->cl_superblocks);  in nfs_server_insert_lists()
951 	list_add_tail(&server->master_link, &nn->nfs_volume_list);  in nfs_server_insert_lists()
958 void nfs_server_remove_lists(struct nfs_server *server)  in nfs_server_remove_lists()  argument
960 	struct nfs_client *clp = server->nfs_client;  in nfs_server_remove_lists()
967 	list_del_rcu(&server->client_link);  in nfs_server_remove_lists()
970 	list_del(&server->master_link);  in nfs_server_remove_lists()
982 	struct nfs_server *server;  in nfs_alloc_server()  local
984 	server = kzalloc(sizeof(struct nfs_server), GFP_KERNEL);  in nfs_alloc_server()
985 	if (!server)  in nfs_alloc_server()
988 	server->client = server->client_acl = ERR_PTR(-EINVAL);  in nfs_alloc_server()
991 	INIT_LIST_HEAD(&server->client_link);  in nfs_alloc_server()
992 	INIT_LIST_HEAD(&server->master_link);  in nfs_alloc_server()
993 	INIT_LIST_HEAD(&server->delegations);  in nfs_alloc_server()
994 	INIT_LIST_HEAD(&server->layouts);  in nfs_alloc_server()
995 	INIT_LIST_HEAD(&server->state_owners_lru);  in nfs_alloc_server()
997 	atomic_set(&server->active, 0);  in nfs_alloc_server()
999 	server->io_stats = nfs_alloc_iostats();  in nfs_alloc_server()
1000 	if (!server->io_stats) {  in nfs_alloc_server()
1001 		kfree(server);  in nfs_alloc_server()
1005 	if (bdi_init(&server->backing_dev_info)) {  in nfs_alloc_server()
1006 		nfs_free_iostats(server->io_stats);  in nfs_alloc_server()
1007 		kfree(server);  in nfs_alloc_server()
1011 	ida_init(&server->openowner_id);  in nfs_alloc_server()
1012 	ida_init(&server->lockowner_id);  in nfs_alloc_server()
1013 	pnfs_init_server(server);  in nfs_alloc_server()
1015 	return server;  in nfs_alloc_server()
1022 void nfs_free_server(struct nfs_server *server)  in nfs_free_server()  argument
1026 	nfs_server_remove_lists(server);  in nfs_free_server()
1028 	if (server->destroy != NULL)  in nfs_free_server()
1029 		server->destroy(server);  in nfs_free_server()
1031 	if (!IS_ERR(server->client_acl))  in nfs_free_server()
1032 		rpc_shutdown_client(server->client_acl);  in nfs_free_server()
1033 	if (!IS_ERR(server->client))  in nfs_free_server()
1034 		rpc_shutdown_client(server->client);  in nfs_free_server()
1036 	nfs_put_client(server->nfs_client);  in nfs_free_server()
1038 	ida_destroy(&server->lockowner_id);  in nfs_free_server()
1039 	ida_destroy(&server->openowner_id);  in nfs_free_server()
1040 	nfs_free_iostats(server->io_stats);  in nfs_free_server()
1041 	bdi_destroy(&server->backing_dev_info);  in nfs_free_server()
1042 	kfree(server);  in nfs_free_server()
1055 	struct nfs_server *server;  in nfs_create_server()  local
1059 	server = nfs_alloc_server();  in nfs_create_server()
1060 	if (!server)  in nfs_create_server()
1069 	error = nfs_init_server(server, mount_info->parsed, nfs_mod);  in nfs_create_server()
1074 	error = nfs_probe_fsinfo(server, mount_info->mntfh, fattr);  in nfs_create_server()
1077 	if (server->nfs_client->rpc_ops->version == 3) {  in nfs_create_server()
1078 		if (server->namelen == 0 || server->namelen > NFS3_MAXNAMLEN)  in nfs_create_server()
1079 			server->namelen = NFS3_MAXNAMLEN;  in nfs_create_server()
1081 			server->caps |= NFS_CAP_READDIRPLUS;  in nfs_create_server()
1083 		if (server->namelen == 0 || server->namelen > NFS2_MAXNAMLEN)  in nfs_create_server()
1084 			server->namelen = NFS2_MAXNAMLEN;  in nfs_create_server()
1088 		error = nfs_mod->rpc_ops->getattr(server, mount_info->mntfh, fattr, NULL);  in nfs_create_server()
1094 	memcpy(&server->fsid, &fattr->fsid, sizeof(server->fsid));  in nfs_create_server()
1097 		(unsigned long long) server->fsid.major,  in nfs_create_server()
1098 		(unsigned long long) server->fsid.minor);  in nfs_create_server()
1100 	nfs_server_insert_lists(server);  in nfs_create_server()
1101 	server->mount_time = jiffies;  in nfs_create_server()
1103 	return server;  in nfs_create_server()
1107 	nfs_free_server(server);  in nfs_create_server()
1120 	struct nfs_server *server;  in nfs_clone_server()  local
1128 	server = nfs_alloc_server();  in nfs_clone_server()
1129 	if (!server)  in nfs_clone_server()
1138 	server->nfs_client = source->nfs_client;  in nfs_clone_server()
1139 	server->destroy = source->destroy;  in nfs_clone_server()
1140 	atomic_inc(&server->nfs_client->cl_count);  in nfs_clone_server()
1141 	nfs_server_copy_userdata(server, source);  in nfs_clone_server()
1143 	server->fsid = fattr->fsid;  in nfs_clone_server()
1145 	error = nfs_init_server_rpcclient(server,  in nfs_clone_server()
1152 	error = nfs_probe_fsinfo(server, fh, fattr_fsinfo);  in nfs_clone_server()
1156 	if (server->namelen == 0 || server->namelen > NFS4_MAXNAMLEN)  in nfs_clone_server()
1157 		server->namelen = NFS4_MAXNAMLEN;  in nfs_clone_server()
1160 		(unsigned long long) server->fsid.major,  in nfs_clone_server()
1161 		(unsigned long long) server->fsid.minor);  in nfs_clone_server()
1163 	error = nfs_start_lockd(server);  in nfs_clone_server()
1167 	nfs_server_insert_lists(server);  in nfs_clone_server()
1168 	server->mount_time = jiffies;  in nfs_clone_server()
1171 	dprintk("<-- nfs_clone_server() = %p\n", server);  in nfs_clone_server()
1172 	return server;  in nfs_clone_server()
1176 	nfs_free_server(server);  in nfs_clone_server()
1365 	struct nfs_server *server;  in nfs_volume_list_show()  local
1376 	server = list_entry(v, struct nfs_server, master_link);  in nfs_volume_list_show()
1377 	clp = server->nfs_client;  in nfs_volume_list_show()
1380 		 MAJOR(server->s_dev), MINOR(server->s_dev));  in nfs_volume_list_show()
1383 		 (unsigned long long) server->fsid.major,  in nfs_volume_list_show()
1384 		 (unsigned long long) server->fsid.minor);  in nfs_volume_list_show()
1393 		   nfs_server_fscache_state(server));  in nfs_volume_list_show()