213 static void pnfs_init_server(struct nfs_server *server)  in pnfs_init_server()  argument
215 	rpc_init_wait_queue(&server->roc_rpcwaitq, "pNFS ROC");  in pnfs_init_server()
227 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()
565 	if ((server->flags & NFS_MOUNT_LOCAL_FLOCK) &&  in nfs_start_lockd()
566 			(server->flags & NFS_MOUNT_LOCAL_FCNTL))  in nfs_start_lockd()
581 	server->nlm_host = host;  in nfs_start_lockd()
582 	server->destroy = nfs_destroy_server;  in nfs_start_lockd()
589 int nfs_init_server_rpcclient(struct nfs_server *server,  in nfs_init_server_rpcclient()  argument
593 	struct nfs_client *clp = server->nfs_client;  in nfs_init_server_rpcclient()
595 	server->client = rpc_clone_client_set_auth(clp->cl_rpcclient,  in nfs_init_server_rpcclient()
597 	if (IS_ERR(server->client)) {  in nfs_init_server_rpcclient()
599 		return PTR_ERR(server->client);  in nfs_init_server_rpcclient()
602 	memcpy(&server->client->cl_timeout_default,  in nfs_init_server_rpcclient()
604 			sizeof(server->client->cl_timeout_default));  in nfs_init_server_rpcclient()
605 	server->client->cl_timeout = &server->client->cl_timeout_default;  in nfs_init_server_rpcclient()
606 	server->client->cl_softrtry = 0;  in nfs_init_server_rpcclient()
607 	if (server->flags & NFS_MOUNT_SOFTERR)  in nfs_init_server_rpcclient()
608 		server->client->cl_softerr = 1;  in nfs_init_server_rpcclient()
609 	if (server->flags & NFS_MOUNT_SOFT)  in nfs_init_server_rpcclient()
610 		server->client->cl_softrtry = 1;  in nfs_init_server_rpcclient()
650 static int nfs_init_server(struct nfs_server *server,  in nfs_init_server()  argument
663 		.cred = server->cred,  in nfs_init_server()
679 	server->nfs_client = clp;  in nfs_init_server()
682 	server->flags = data->flags;  in nfs_init_server()
683 	server->options = data->options;  in nfs_init_server()
684 	server->caps |= NFS_CAP_HARDLINKS|NFS_CAP_SYMLINKS|NFS_CAP_FILEID|  in nfs_init_server()
689 		server->rsize = nfs_block_size(data->rsize, NULL);  in nfs_init_server()
691 		server->wsize = nfs_block_size(data->wsize, NULL);  in nfs_init_server()
693 	server->acregmin = data->acregmin * HZ;  in nfs_init_server()
694 	server->acregmax = data->acregmax * HZ;  in nfs_init_server()
695 	server->acdirmin = data->acdirmin * HZ;  in nfs_init_server()
696 	server->acdirmax = data->acdirmax * HZ;  in nfs_init_server()
699 	error = nfs_start_lockd(server);  in nfs_init_server()
703 	server->port = data->nfs_server.port;  in nfs_init_server()
704 	server->auth_info = data->auth_info;  in nfs_init_server()
706 	error = nfs_init_server_rpcclient(server, &timeparms,  in nfs_init_server()
713 		memcpy(&server->mountd_address, &data->mount_server.address,  in nfs_init_server()
715 		server->mountd_addrlen = data->mount_server.addrlen;  in nfs_init_server()
717 	server->mountd_version = data->mount_server.version;  in nfs_init_server()
718 	server->mountd_port = data->mount_server.port;  in nfs_init_server()
719 	server->mountd_protocol = data->mount_server.protocol;  in nfs_init_server()
721 	server->namelen  = data->namlen;  in nfs_init_server()
725 	server->nfs_client = NULL;  in nfs_init_server()
733 static void nfs_server_set_fsinfo(struct nfs_server *server,  in nfs_server_set_fsinfo()  argument
739 	if (server->rsize == 0)  in nfs_server_set_fsinfo()
740 		server->rsize = nfs_block_size(fsinfo->rtpref, NULL);  in nfs_server_set_fsinfo()
741 	if (server->wsize == 0)  in nfs_server_set_fsinfo()
742 		server->wsize = nfs_block_size(fsinfo->wtpref, NULL);  in nfs_server_set_fsinfo()
744 	if (fsinfo->rtmax >= 512 && server->rsize > fsinfo->rtmax)  in nfs_server_set_fsinfo()
745 		server->rsize = nfs_block_size(fsinfo->rtmax, NULL);  in nfs_server_set_fsinfo()
746 	if (fsinfo->wtmax >= 512 && server->wsize > fsinfo->wtmax)  in nfs_server_set_fsinfo()
747 		server->wsize = nfs_block_size(fsinfo->wtmax, NULL);  in nfs_server_set_fsinfo()
749 	max_rpc_payload = nfs_block_size(rpc_max_payload(server->client), NULL);  in nfs_server_set_fsinfo()
750 	if (server->rsize > max_rpc_payload)  in nfs_server_set_fsinfo()
751 		server->rsize = max_rpc_payload;  in nfs_server_set_fsinfo()
752 	if (server->rsize > NFS_MAX_FILE_IO_SIZE)  in nfs_server_set_fsinfo()
753 		server->rsize = NFS_MAX_FILE_IO_SIZE;  in nfs_server_set_fsinfo()
754 	server->rpages = (server->rsize + PAGE_SIZE - 1) >> PAGE_SHIFT;  in nfs_server_set_fsinfo()
756 	if (server->wsize > max_rpc_payload)  in nfs_server_set_fsinfo()
757 		server->wsize = max_rpc_payload;  in nfs_server_set_fsinfo()
758 	if (server->wsize > NFS_MAX_FILE_IO_SIZE)  in nfs_server_set_fsinfo()
759 		server->wsize = NFS_MAX_FILE_IO_SIZE;  in nfs_server_set_fsinfo()
760 	server->wpages = (server->wsize + PAGE_SIZE - 1) >> PAGE_SHIFT;  in nfs_server_set_fsinfo()
762 	server->wtmult = nfs_block_bits(fsinfo->wtmult, NULL);  in nfs_server_set_fsinfo()
764 	server->dtsize = nfs_block_size(fsinfo->dtpref, NULL);  in nfs_server_set_fsinfo()
765 	if (server->dtsize > PAGE_SIZE * NFS_MAX_READDIR_PAGES)  in nfs_server_set_fsinfo()
766 		server->dtsize = PAGE_SIZE * NFS_MAX_READDIR_PAGES;  in nfs_server_set_fsinfo()
767 	if (server->dtsize > server->rsize)  in nfs_server_set_fsinfo()
768 		server->dtsize = server->rsize;  in nfs_server_set_fsinfo()
770 	if (server->flags & NFS_MOUNT_NOAC) {  in nfs_server_set_fsinfo()
771 		server->acregmin = server->acregmax = 0;  in nfs_server_set_fsinfo()
772 		server->acdirmin = server->acdirmax = 0;  in nfs_server_set_fsinfo()
775 	server->maxfilesize = fsinfo->maxfilesize;  in nfs_server_set_fsinfo()
777 	server->time_delta = fsinfo->time_delta;  in nfs_server_set_fsinfo()
779 	server->clone_blksize = fsinfo->clone_blksize;  in nfs_server_set_fsinfo()
781 	rpc_setbufsize(server->client, server->wsize + 100, server->rsize + 100);  in nfs_server_set_fsinfo()
787 int nfs_probe_fsinfo(struct nfs_server *server, struct nfs_fh *mntfh, struct nfs_fattr *fattr)  in nfs_probe_fsinfo()  argument
790 	struct nfs_client *clp = server->nfs_client;  in nfs_probe_fsinfo()
794 		error = clp->rpc_ops->set_capabilities(server, mntfh);  in nfs_probe_fsinfo()
802 	error = clp->rpc_ops->fsinfo(server, mntfh, &fsinfo);  in nfs_probe_fsinfo()
806 	nfs_server_set_fsinfo(server, &fsinfo);  in nfs_probe_fsinfo()
809 	if (server->namelen == 0) {  in nfs_probe_fsinfo()
815 		if (clp->rpc_ops->pathconf(server, mntfh, &pathinfo) >= 0)  in nfs_probe_fsinfo()
816 			server->namelen = pathinfo.max_namelen;  in nfs_probe_fsinfo()
842 void nfs_server_insert_lists(struct nfs_server *server)  in nfs_server_insert_lists()  argument
844 	struct nfs_client *clp = server->nfs_client;  in nfs_server_insert_lists()
848 	list_add_tail_rcu(&server->client_link, &clp->cl_superblocks);  in nfs_server_insert_lists()
849 	list_add_tail(&server->master_link, &nn->nfs_volume_list);  in nfs_server_insert_lists()
856 void nfs_server_remove_lists(struct nfs_server *server)  in nfs_server_remove_lists()  argument
858 	struct nfs_client *clp = server->nfs_client;  in nfs_server_remove_lists()
865 	list_del_rcu(&server->client_link);  in nfs_server_remove_lists()
868 	list_del(&server->master_link);  in nfs_server_remove_lists()
880 	struct nfs_server *server;  in nfs_alloc_server()  local
882 	server = kzalloc(sizeof(struct nfs_server), GFP_KERNEL);  in nfs_alloc_server()
883 	if (!server)  in nfs_alloc_server()
886 	server->client = server->client_acl = ERR_PTR(-EINVAL);  in nfs_alloc_server()
889 	INIT_LIST_HEAD(&server->client_link);  in nfs_alloc_server()
890 	INIT_LIST_HEAD(&server->master_link);  in nfs_alloc_server()
891 	INIT_LIST_HEAD(&server->delegations);  in nfs_alloc_server()
892 	INIT_LIST_HEAD(&server->layouts);  in nfs_alloc_server()
893 	INIT_LIST_HEAD(&server->state_owners_lru);  in nfs_alloc_server()
894 	INIT_LIST_HEAD(&server->ss_copies);  in nfs_alloc_server()
896 	atomic_set(&server->active, 0);  in nfs_alloc_server()
898 	server->io_stats = nfs_alloc_iostats();  in nfs_alloc_server()
899 	if (!server->io_stats) {  in nfs_alloc_server()
900 		kfree(server);  in nfs_alloc_server()
904 	ida_init(&server->openowner_id);  in nfs_alloc_server()
905 	ida_init(&server->lockowner_id);  in nfs_alloc_server()
906 	pnfs_init_server(server);  in nfs_alloc_server()
907 	rpc_init_wait_queue(&server->uoc_rpcwaitq, "NFS UOC");  in nfs_alloc_server()
909 	return server;  in nfs_alloc_server()
916 void nfs_free_server(struct nfs_server *server)  in nfs_free_server()  argument
918 	nfs_server_remove_lists(server);  in nfs_free_server()
920 	if (server->destroy != NULL)  in nfs_free_server()
921 		server->destroy(server);  in nfs_free_server()
923 	if (!IS_ERR(server->client_acl))  in nfs_free_server()
924 		rpc_shutdown_client(server->client_acl);  in nfs_free_server()
925 	if (!IS_ERR(server->client))  in nfs_free_server()
926 		rpc_shutdown_client(server->client);  in nfs_free_server()
928 	nfs_put_client(server->nfs_client);  in nfs_free_server()
930 	ida_destroy(&server->lockowner_id);  in nfs_free_server()
931 	ida_destroy(&server->openowner_id);  in nfs_free_server()
932 	nfs_free_iostats(server->io_stats);  in nfs_free_server()
933 	put_cred(server->cred);  in nfs_free_server()
934 	kfree(server);  in nfs_free_server()
946 	struct nfs_server *server;  in nfs_create_server()  local
950 	server = nfs_alloc_server();  in nfs_create_server()
951 	if (!server)  in nfs_create_server()
954 	server->cred = get_cred(current_cred());  in nfs_create_server()
962 	error = nfs_init_server(server, mount_info->parsed, nfs_mod);  in nfs_create_server()
967 	error = nfs_probe_fsinfo(server, mount_info->mntfh, fattr);  in nfs_create_server()
970 	if (server->nfs_client->rpc_ops->version == 3) {  in nfs_create_server()
971 		if (server->namelen == 0 || server->namelen > NFS3_MAXNAMLEN)  in nfs_create_server()
972 			server->namelen = NFS3_MAXNAMLEN;  in nfs_create_server()
974 			server->caps |= NFS_CAP_READDIRPLUS;  in nfs_create_server()
976 		if (server->namelen == 0 || server->namelen > NFS2_MAXNAMLEN)  in nfs_create_server()
977 			server->namelen = NFS2_MAXNAMLEN;  in nfs_create_server()
981 		error = nfs_mod->rpc_ops->getattr(server, mount_info->mntfh,  in nfs_create_server()
988 	memcpy(&server->fsid, &fattr->fsid, sizeof(server->fsid));  in nfs_create_server()
991 		(unsigned long long) server->fsid.major,  in nfs_create_server()
992 		(unsigned long long) server->fsid.minor);  in nfs_create_server()
994 	nfs_server_insert_lists(server);  in nfs_create_server()
995 	server->mount_time = jiffies;  in nfs_create_server()
997 	return server;  in nfs_create_server()
1001 	nfs_free_server(server);  in nfs_create_server()
1014 	struct nfs_server *server;  in nfs_clone_server()  local
1018 	server = nfs_alloc_server();  in nfs_clone_server()
1019 	if (!server)  in nfs_clone_server()
1022 	server->cred = get_cred(source->cred);  in nfs_clone_server()
1030 	server->nfs_client = source->nfs_client;  in nfs_clone_server()
1031 	server->destroy = source->destroy;  in nfs_clone_server()
1032 	refcount_inc(&server->nfs_client->cl_count);  in nfs_clone_server()
1033 	nfs_server_copy_userdata(server, source);  in nfs_clone_server()
1035 	server->fsid = fattr->fsid;  in nfs_clone_server()
1037 	error = nfs_init_server_rpcclient(server,  in nfs_clone_server()
1044 	error = nfs_probe_fsinfo(server, fh, fattr_fsinfo);  in nfs_clone_server()
1048 	if (server->namelen == 0 || server->namelen > NFS4_MAXNAMLEN)  in nfs_clone_server()
1049 		server->namelen = NFS4_MAXNAMLEN;  in nfs_clone_server()
1051 	error = nfs_start_lockd(server);  in nfs_clone_server()
1055 	nfs_server_insert_lists(server);  in nfs_clone_server()
1056 	server->mount_time = jiffies;  in nfs_clone_server()
1059 	return server;  in nfs_clone_server()
1063 	nfs_free_server(server);  in nfs_clone_server()
1224 	struct nfs_server *server;  in nfs_volume_list_show()  local
1237 	server = list_entry(v, struct nfs_server, master_link);  in nfs_volume_list_show()
1238 	clp = server->nfs_client;  in nfs_volume_list_show()
1241 		 MAJOR(server->s_dev), MINOR(server->s_dev));  in nfs_volume_list_show()
1244 		 (unsigned long long) server->fsid.major,  in nfs_volume_list_show()
1245 		 (unsigned long long) server->fsid.minor);  in nfs_volume_list_show()
1254 		   nfs_server_fscache_state(server));  in nfs_volume_list_show()