218 static void pnfs_init_server(struct nfs_server *server)  in pnfs_init_server()  argument
220 	rpc_init_wait_queue(&server->roc_rpcwaitq, "pNFS ROC");  in pnfs_init_server()
232 static void pnfs_init_server(struct nfs_server *server)  in pnfs_init_server()  argument
538 static void nfs_destroy_server(struct nfs_server *server)  in nfs_destroy_server()  argument
540 	if (server->nlm_host)  in nfs_destroy_server()
541 		nlmclnt_done(server->nlm_host);  in nfs_destroy_server()
547 static int nfs_start_lockd(struct nfs_server *server)  in nfs_start_lockd()  argument
550 	struct nfs_client *clp = server->nfs_client;  in nfs_start_lockd()
556 		.noresvport	= server->flags & NFS_MOUNT_NORESVPORT ?  in nfs_start_lockd()
564 	if ((server->flags & NFS_MOUNT_LOCAL_FLOCK) &&  in nfs_start_lockd()
565 			(server->flags & NFS_MOUNT_LOCAL_FCNTL))  in nfs_start_lockd()
580 	server->nlm_host = host;  in nfs_start_lockd()
581 	server->destroy = nfs_destroy_server;  in nfs_start_lockd()
588 int nfs_init_server_rpcclient(struct nfs_server *server,  in nfs_init_server_rpcclient()  argument
592 	struct nfs_client *clp = server->nfs_client;  in nfs_init_server_rpcclient()
594 	server->client = rpc_clone_client_set_auth(clp->cl_rpcclient,  in nfs_init_server_rpcclient()
596 	if (IS_ERR(server->client)) {  in nfs_init_server_rpcclient()
598 		return PTR_ERR(server->client);  in nfs_init_server_rpcclient()
601 	memcpy(&server->client->cl_timeout_default,  in nfs_init_server_rpcclient()
603 			sizeof(server->client->cl_timeout_default));  in nfs_init_server_rpcclient()
604 	server->client->cl_timeout = &server->client->cl_timeout_default;  in nfs_init_server_rpcclient()
605 	server->client->cl_softrtry = 0;  in nfs_init_server_rpcclient()
606 	if (server->flags & NFS_MOUNT_SOFT)  in nfs_init_server_rpcclient()
607 		server->client->cl_softrtry = 1;  in nfs_init_server_rpcclient()
647 static int nfs_init_server(struct nfs_server *server,  in nfs_init_server()  argument
674 	server->nfs_client = clp;  in nfs_init_server()
677 	server->flags = data->flags;  in nfs_init_server()
678 	server->options = data->options;  in nfs_init_server()
679 	server->caps |= NFS_CAP_HARDLINKS|NFS_CAP_SYMLINKS|NFS_CAP_FILEID|  in nfs_init_server()
684 		server->rsize = nfs_block_size(data->rsize, NULL);  in nfs_init_server()
686 		server->wsize = nfs_block_size(data->wsize, NULL);  in nfs_init_server()
688 	server->acregmin = data->acregmin * HZ;  in nfs_init_server()
689 	server->acregmax = data->acregmax * HZ;  in nfs_init_server()
690 	server->acdirmin = data->acdirmin * HZ;  in nfs_init_server()
691 	server->acdirmax = data->acdirmax * HZ;  in nfs_init_server()
694 	error = nfs_start_lockd(server);  in nfs_init_server()
698 	server->port = data->nfs_server.port;  in nfs_init_server()
699 	server->auth_info = data->auth_info;  in nfs_init_server()
701 	error = nfs_init_server_rpcclient(server, &timeparms,  in nfs_init_server()
708 		memcpy(&server->mountd_address, &data->mount_server.address,  in nfs_init_server()
710 		server->mountd_addrlen = data->mount_server.addrlen;  in nfs_init_server()
712 	server->mountd_version = data->mount_server.version;  in nfs_init_server()
713 	server->mountd_port = data->mount_server.port;  in nfs_init_server()
714 	server->mountd_protocol = data->mount_server.protocol;  in nfs_init_server()
716 	server->namelen  = data->namlen;  in nfs_init_server()
720 	server->nfs_client = NULL;  in nfs_init_server()
728 static void nfs_server_set_fsinfo(struct nfs_server *server,  in nfs_server_set_fsinfo()  argument
734 	if (server->rsize == 0)  in nfs_server_set_fsinfo()
735 		server->rsize = nfs_block_size(fsinfo->rtpref, NULL);  in nfs_server_set_fsinfo()
736 	if (server->wsize == 0)  in nfs_server_set_fsinfo()
737 		server->wsize = nfs_block_size(fsinfo->wtpref, NULL);  in nfs_server_set_fsinfo()
739 	if (fsinfo->rtmax >= 512 && server->rsize > fsinfo->rtmax)  in nfs_server_set_fsinfo()
740 		server->rsize = nfs_block_size(fsinfo->rtmax, NULL);  in nfs_server_set_fsinfo()
741 	if (fsinfo->wtmax >= 512 && server->wsize > fsinfo->wtmax)  in nfs_server_set_fsinfo()
742 		server->wsize = nfs_block_size(fsinfo->wtmax, NULL);  in nfs_server_set_fsinfo()
744 	max_rpc_payload = nfs_block_size(rpc_max_payload(server->client), NULL);  in nfs_server_set_fsinfo()
745 	if (server->rsize > max_rpc_payload)  in nfs_server_set_fsinfo()
746 		server->rsize = max_rpc_payload;  in nfs_server_set_fsinfo()
747 	if (server->rsize > NFS_MAX_FILE_IO_SIZE)  in nfs_server_set_fsinfo()
748 		server->rsize = NFS_MAX_FILE_IO_SIZE;  in nfs_server_set_fsinfo()
749 	server->rpages = (server->rsize + PAGE_SIZE - 1) >> PAGE_SHIFT;  in nfs_server_set_fsinfo()
751 	if (server->wsize > max_rpc_payload)  in nfs_server_set_fsinfo()
752 		server->wsize = max_rpc_payload;  in nfs_server_set_fsinfo()
753 	if (server->wsize > NFS_MAX_FILE_IO_SIZE)  in nfs_server_set_fsinfo()
754 		server->wsize = NFS_MAX_FILE_IO_SIZE;  in nfs_server_set_fsinfo()
755 	server->wpages = (server->wsize + PAGE_SIZE - 1) >> PAGE_SHIFT;  in nfs_server_set_fsinfo()
757 	server->wtmult = nfs_block_bits(fsinfo->wtmult, NULL);  in nfs_server_set_fsinfo()
759 	server->dtsize = nfs_block_size(fsinfo->dtpref, NULL);  in nfs_server_set_fsinfo()
760 	if (server->dtsize > PAGE_SIZE * NFS_MAX_READDIR_PAGES)  in nfs_server_set_fsinfo()
761 		server->dtsize = PAGE_SIZE * NFS_MAX_READDIR_PAGES;  in nfs_server_set_fsinfo()
762 	if (server->dtsize > server->rsize)  in nfs_server_set_fsinfo()
763 		server->dtsize = server->rsize;  in nfs_server_set_fsinfo()
765 	if (server->flags & NFS_MOUNT_NOAC) {  in nfs_server_set_fsinfo()
766 		server->acregmin = server->acregmax = 0;  in nfs_server_set_fsinfo()
767 		server->acdirmin = server->acdirmax = 0;  in nfs_server_set_fsinfo()
770 	server->maxfilesize = fsinfo->maxfilesize;  in nfs_server_set_fsinfo()
772 	server->time_delta = fsinfo->time_delta;  in nfs_server_set_fsinfo()
774 	server->clone_blksize = fsinfo->clone_blksize;  in nfs_server_set_fsinfo()
776 	rpc_setbufsize(server->client, server->wsize + 100, server->rsize + 100);  in nfs_server_set_fsinfo()
782 int nfs_probe_fsinfo(struct nfs_server *server, struct nfs_fh *mntfh, struct nfs_fattr *fattr)  in nfs_probe_fsinfo()  argument
785 	struct nfs_client *clp = server->nfs_client;  in nfs_probe_fsinfo()
789 		error = clp->rpc_ops->set_capabilities(server, mntfh);  in nfs_probe_fsinfo()
797 	error = clp->rpc_ops->fsinfo(server, mntfh, &fsinfo);  in nfs_probe_fsinfo()
801 	nfs_server_set_fsinfo(server, &fsinfo);  in nfs_probe_fsinfo()
804 	if (server->namelen == 0) {  in nfs_probe_fsinfo()
810 		if (clp->rpc_ops->pathconf(server, mntfh, &pathinfo) >= 0)  in nfs_probe_fsinfo()
811 			server->namelen = pathinfo.max_namelen;  in nfs_probe_fsinfo()
837 void nfs_server_insert_lists(struct nfs_server *server)  in nfs_server_insert_lists()  argument
839 	struct nfs_client *clp = server->nfs_client;  in nfs_server_insert_lists()
843 	list_add_tail_rcu(&server->client_link, &clp->cl_superblocks);  in nfs_server_insert_lists()
844 	list_add_tail(&server->master_link, &nn->nfs_volume_list);  in nfs_server_insert_lists()
851 void nfs_server_remove_lists(struct nfs_server *server)  in nfs_server_remove_lists()  argument
853 	struct nfs_client *clp = server->nfs_client;  in nfs_server_remove_lists()
860 	list_del_rcu(&server->client_link);  in nfs_server_remove_lists()
863 	list_del(&server->master_link);  in nfs_server_remove_lists()
875 	struct nfs_server *server;  in nfs_alloc_server()  local
877 	server = kzalloc(sizeof(struct nfs_server), GFP_KERNEL);  in nfs_alloc_server()
878 	if (!server)  in nfs_alloc_server()
881 	server->client = server->client_acl = ERR_PTR(-EINVAL);  in nfs_alloc_server()
884 	INIT_LIST_HEAD(&server->client_link);  in nfs_alloc_server()
885 	INIT_LIST_HEAD(&server->master_link);  in nfs_alloc_server()
886 	INIT_LIST_HEAD(&server->delegations);  in nfs_alloc_server()
887 	INIT_LIST_HEAD(&server->layouts);  in nfs_alloc_server()
888 	INIT_LIST_HEAD(&server->state_owners_lru);  in nfs_alloc_server()
889 	INIT_LIST_HEAD(&server->ss_copies);  in nfs_alloc_server()
891 	atomic_set(&server->active, 0);  in nfs_alloc_server()
893 	server->io_stats = nfs_alloc_iostats();  in nfs_alloc_server()
894 	if (!server->io_stats) {  in nfs_alloc_server()
895 		kfree(server);  in nfs_alloc_server()
899 	ida_init(&server->openowner_id);  in nfs_alloc_server()
900 	ida_init(&server->lockowner_id);  in nfs_alloc_server()
901 	pnfs_init_server(server);  in nfs_alloc_server()
902 	rpc_init_wait_queue(&server->uoc_rpcwaitq, "NFS UOC");  in nfs_alloc_server()
904 	return server;  in nfs_alloc_server()
911 void nfs_free_server(struct nfs_server *server)  in nfs_free_server()  argument
913 	nfs_server_remove_lists(server);  in nfs_free_server()
915 	if (server->destroy != NULL)  in nfs_free_server()
916 		server->destroy(server);  in nfs_free_server()
918 	if (!IS_ERR(server->client_acl))  in nfs_free_server()
919 		rpc_shutdown_client(server->client_acl);  in nfs_free_server()
920 	if (!IS_ERR(server->client))  in nfs_free_server()
921 		rpc_shutdown_client(server->client);  in nfs_free_server()
923 	nfs_put_client(server->nfs_client);  in nfs_free_server()
925 	ida_destroy(&server->lockowner_id);  in nfs_free_server()
926 	ida_destroy(&server->openowner_id);  in nfs_free_server()
927 	nfs_free_iostats(server->io_stats);  in nfs_free_server()
928 	kfree(server);  in nfs_free_server()
940 	struct nfs_server *server;  in nfs_create_server()  local
944 	server = nfs_alloc_server();  in nfs_create_server()
945 	if (!server)  in nfs_create_server()
954 	error = nfs_init_server(server, mount_info->parsed, nfs_mod);  in nfs_create_server()
959 	error = nfs_probe_fsinfo(server, mount_info->mntfh, fattr);  in nfs_create_server()
962 	if (server->nfs_client->rpc_ops->version == 3) {  in nfs_create_server()
963 		if (server->namelen == 0 || server->namelen > NFS3_MAXNAMLEN)  in nfs_create_server()
964 			server->namelen = NFS3_MAXNAMLEN;  in nfs_create_server()
966 			server->caps |= NFS_CAP_READDIRPLUS;  in nfs_create_server()
968 		if (server->namelen == 0 || server->namelen > NFS2_MAXNAMLEN)  in nfs_create_server()
969 			server->namelen = NFS2_MAXNAMLEN;  in nfs_create_server()
973 		error = nfs_mod->rpc_ops->getattr(server, mount_info->mntfh,  in nfs_create_server()
980 	memcpy(&server->fsid, &fattr->fsid, sizeof(server->fsid));  in nfs_create_server()
983 		(unsigned long long) server->fsid.major,  in nfs_create_server()
984 		(unsigned long long) server->fsid.minor);  in nfs_create_server()
986 	nfs_server_insert_lists(server);  in nfs_create_server()
987 	server->mount_time = jiffies;  in nfs_create_server()
989 	return server;  in nfs_create_server()
993 	nfs_free_server(server);  in nfs_create_server()
1006 	struct nfs_server *server;  in nfs_clone_server()  local
1010 	server = nfs_alloc_server();  in nfs_clone_server()
1011 	if (!server)  in nfs_clone_server()
1020 	server->nfs_client = source->nfs_client;  in nfs_clone_server()
1021 	server->destroy = source->destroy;  in nfs_clone_server()
1022 	refcount_inc(&server->nfs_client->cl_count);  in nfs_clone_server()
1023 	nfs_server_copy_userdata(server, source);  in nfs_clone_server()
1025 	server->fsid = fattr->fsid;  in nfs_clone_server()
1027 	error = nfs_init_server_rpcclient(server,  in nfs_clone_server()
1034 	error = nfs_probe_fsinfo(server, fh, fattr_fsinfo);  in nfs_clone_server()
1038 	if (server->namelen == 0 || server->namelen > NFS4_MAXNAMLEN)  in nfs_clone_server()
1039 		server->namelen = NFS4_MAXNAMLEN;  in nfs_clone_server()
1041 	error = nfs_start_lockd(server);  in nfs_clone_server()
1045 	nfs_server_insert_lists(server);  in nfs_clone_server()
1046 	server->mount_time = jiffies;  in nfs_clone_server()
1049 	return server;  in nfs_clone_server()
1053 	nfs_free_server(server);  in nfs_clone_server()
1202 	struct nfs_server *server;  in nfs_volume_list_show()  local
1215 	server = list_entry(v, struct nfs_server, master_link);  in nfs_volume_list_show()
1216 	clp = server->nfs_client;  in nfs_volume_list_show()
1219 		 MAJOR(server->s_dev), MINOR(server->s_dev));  in nfs_volume_list_show()
1222 		 (unsigned long long) server->fsid.major,  in nfs_volume_list_show()
1223 		 (unsigned long long) server->fsid.minor);  in nfs_volume_list_show()
1232 		   nfs_server_fscache_state(server));  in nfs_volume_list_show()