215 static void pnfs_init_server(struct nfs_server *server)  in pnfs_init_server()  argument
217 	rpc_init_wait_queue(&server->roc_rpcwaitq, "pNFS ROC");  in pnfs_init_server()
229 static void pnfs_init_server(struct nfs_server *server)  in pnfs_init_server()  argument
548 static void nfs_destroy_server(struct nfs_server *server)  in nfs_destroy_server()  argument
550 	if (server->nlm_host)  in nfs_destroy_server()
551 		nlmclnt_done(server->nlm_host);  in nfs_destroy_server()
557 static int nfs_start_lockd(struct nfs_server *server)  in nfs_start_lockd()  argument
560 	struct nfs_client *clp = server->nfs_client;  in nfs_start_lockd()
566 		.noresvport	= server->flags & NFS_MOUNT_NORESVPORT ?  in nfs_start_lockd()
570 		.cred		= server->cred,  in nfs_start_lockd()
575 	if ((server->flags & NFS_MOUNT_LOCAL_FLOCK) &&  in nfs_start_lockd()
576 			(server->flags & NFS_MOUNT_LOCAL_FCNTL))  in nfs_start_lockd()
593 	server->nlm_host = host;  in nfs_start_lockd()
594 	server->destroy = nfs_destroy_server;  in nfs_start_lockd()
601 int nfs_init_server_rpcclient(struct nfs_server *server,  in nfs_init_server_rpcclient()  argument
605 	struct nfs_client *clp = server->nfs_client;  in nfs_init_server_rpcclient()
607 	server->client = rpc_clone_client_set_auth(clp->cl_rpcclient,  in nfs_init_server_rpcclient()
609 	if (IS_ERR(server->client)) {  in nfs_init_server_rpcclient()
611 		return PTR_ERR(server->client);  in nfs_init_server_rpcclient()
614 	memcpy(&server->client->cl_timeout_default,  in nfs_init_server_rpcclient()
616 			sizeof(server->client->cl_timeout_default));  in nfs_init_server_rpcclient()
617 	server->client->cl_timeout = &server->client->cl_timeout_default;  in nfs_init_server_rpcclient()
618 	server->client->cl_softrtry = 0;  in nfs_init_server_rpcclient()
619 	if (server->flags & NFS_MOUNT_SOFTERR)  in nfs_init_server_rpcclient()
620 		server->client->cl_softerr = 1;  in nfs_init_server_rpcclient()
621 	if (server->flags & NFS_MOUNT_SOFT)  in nfs_init_server_rpcclient()
622 		server->client->cl_softrtry = 1;  in nfs_init_server_rpcclient()
662 static int nfs_init_server(struct nfs_server *server,  in nfs_init_server()  argument
675 		.cred = server->cred,  in nfs_init_server()
692 	server->nfs_client = clp;  in nfs_init_server()
695 	server->flags = ctx->flags;  in nfs_init_server()
696 	server->options = ctx->options;  in nfs_init_server()
697 	server->caps |= NFS_CAP_HARDLINKS | NFS_CAP_SYMLINKS;  in nfs_init_server()
701 		server->fattr_valid = NFS_ATTR_FATTR_V2;  in nfs_init_server()
704 		server->fattr_valid = NFS_ATTR_FATTR_V3;  in nfs_init_server()
707 		server->fattr_valid = NFS_ATTR_FATTR_V4;  in nfs_init_server()
711 		server->rsize = nfs_io_size(ctx->rsize, clp->cl_proto);  in nfs_init_server()
713 		server->wsize = nfs_io_size(ctx->wsize, clp->cl_proto);  in nfs_init_server()
715 	server->acregmin = ctx->acregmin * HZ;  in nfs_init_server()
716 	server->acregmax = ctx->acregmax * HZ;  in nfs_init_server()
717 	server->acdirmin = ctx->acdirmin * HZ;  in nfs_init_server()
718 	server->acdirmax = ctx->acdirmax * HZ;  in nfs_init_server()
721 	error = nfs_start_lockd(server);  in nfs_init_server()
725 	server->port = ctx->nfs_server.port;  in nfs_init_server()
726 	server->auth_info = ctx->auth_info;  in nfs_init_server()
728 	error = nfs_init_server_rpcclient(server, &timeparms,  in nfs_init_server()
735 		memcpy(&server->mountd_address, &ctx->mount_server.address,  in nfs_init_server()
737 		server->mountd_addrlen = ctx->mount_server.addrlen;  in nfs_init_server()
739 	server->mountd_version = ctx->mount_server.version;  in nfs_init_server()
740 	server->mountd_port = ctx->mount_server.port;  in nfs_init_server()
741 	server->mountd_protocol = ctx->mount_server.protocol;  in nfs_init_server()
743 	server->namelen  = ctx->namlen;  in nfs_init_server()
747 	server->nfs_client = NULL;  in nfs_init_server()
755 static void nfs_server_set_fsinfo(struct nfs_server *server,  in nfs_server_set_fsinfo()  argument
758 	struct nfs_client *clp = server->nfs_client;  in nfs_server_set_fsinfo()
762 	if (server->rsize == 0)  in nfs_server_set_fsinfo()
763 		server->rsize = nfs_io_size(fsinfo->rtpref, clp->cl_proto);  in nfs_server_set_fsinfo()
764 	if (server->wsize == 0)  in nfs_server_set_fsinfo()
765 		server->wsize = nfs_io_size(fsinfo->wtpref, clp->cl_proto);  in nfs_server_set_fsinfo()
767 	if (fsinfo->rtmax >= 512 && server->rsize > fsinfo->rtmax)  in nfs_server_set_fsinfo()
768 		server->rsize = nfs_io_size(fsinfo->rtmax, clp->cl_proto);  in nfs_server_set_fsinfo()
769 	if (fsinfo->wtmax >= 512 && server->wsize > fsinfo->wtmax)  in nfs_server_set_fsinfo()
770 		server->wsize = nfs_io_size(fsinfo->wtmax, clp->cl_proto);  in nfs_server_set_fsinfo()
772 	raw_max_rpc_payload = rpc_max_payload(server->client);  in nfs_server_set_fsinfo()
775 	if (server->rsize > max_rpc_payload)  in nfs_server_set_fsinfo()
776 		server->rsize = max_rpc_payload;  in nfs_server_set_fsinfo()
777 	if (server->rsize > NFS_MAX_FILE_IO_SIZE)  in nfs_server_set_fsinfo()
778 		server->rsize = NFS_MAX_FILE_IO_SIZE;  in nfs_server_set_fsinfo()
779 	server->rpages = (server->rsize + PAGE_SIZE - 1) >> PAGE_SHIFT;  in nfs_server_set_fsinfo()
781 	if (server->wsize > max_rpc_payload)  in nfs_server_set_fsinfo()
782 		server->wsize = max_rpc_payload;  in nfs_server_set_fsinfo()
783 	if (server->wsize > NFS_MAX_FILE_IO_SIZE)  in nfs_server_set_fsinfo()
784 		server->wsize = NFS_MAX_FILE_IO_SIZE;  in nfs_server_set_fsinfo()
785 	server->wpages = (server->wsize + PAGE_SIZE - 1) >> PAGE_SHIFT;  in nfs_server_set_fsinfo()
787 	server->wtmult = nfs_block_bits(fsinfo->wtmult, NULL);  in nfs_server_set_fsinfo()
789 	server->dtsize = nfs_block_size(fsinfo->dtpref, NULL);  in nfs_server_set_fsinfo()
790 	if (server->dtsize > NFS_MAX_FILE_IO_SIZE)  in nfs_server_set_fsinfo()
791 		server->dtsize = NFS_MAX_FILE_IO_SIZE;  in nfs_server_set_fsinfo()
792 	if (server->dtsize > server->rsize)  in nfs_server_set_fsinfo()
793 		server->dtsize = server->rsize;  in nfs_server_set_fsinfo()
795 	if (server->flags & NFS_MOUNT_NOAC) {  in nfs_server_set_fsinfo()
796 		server->acregmin = server->acregmax = 0;  in nfs_server_set_fsinfo()
797 		server->acdirmin = server->acdirmax = 0;  in nfs_server_set_fsinfo()
800 	server->maxfilesize = fsinfo->maxfilesize;  in nfs_server_set_fsinfo()
802 	server->time_delta = fsinfo->time_delta;  in nfs_server_set_fsinfo()
803 	server->change_attr_type = fsinfo->change_attr_type;  in nfs_server_set_fsinfo()
805 	server->clone_blksize = fsinfo->clone_blksize;  in nfs_server_set_fsinfo()
807 	rpc_setbufsize(server->client, server->wsize + 100, server->rsize + 100);  in nfs_server_set_fsinfo()
813 	server->gxasize = min_t(unsigned int, raw_max_rpc_payload,  in nfs_server_set_fsinfo()
815 	server->sxasize = min_t(unsigned int, raw_max_rpc_payload,  in nfs_server_set_fsinfo()
817 	server->lxasize = min_t(unsigned int, raw_max_rpc_payload,  in nfs_server_set_fsinfo()
821 		server->caps |= NFS_CAP_XATTR;  in nfs_server_set_fsinfo()
828 static int nfs_probe_fsinfo(struct nfs_server *server, struct nfs_fh *mntfh, struct nfs_fattr *fatt…  in nfs_probe_fsinfo()  argument
831 	struct nfs_client *clp = server->nfs_client;  in nfs_probe_fsinfo()
835 		error = clp->rpc_ops->set_capabilities(server, mntfh);  in nfs_probe_fsinfo()
843 	error = clp->rpc_ops->fsinfo(server, mntfh, &fsinfo);  in nfs_probe_fsinfo()
847 	nfs_server_set_fsinfo(server, &fsinfo);  in nfs_probe_fsinfo()
850 	if (server->namelen == 0) {  in nfs_probe_fsinfo()
856 		if (clp->rpc_ops->pathconf(server, mntfh, &pathinfo) >= 0)  in nfs_probe_fsinfo()
857 			server->namelen = pathinfo.max_namelen;  in nfs_probe_fsinfo()
861 			(server->caps & NFS_CAP_FS_LOCATIONS &&  in nfs_probe_fsinfo()
862 			 (server->flags & NFS_MOUNT_TRUNK_DISCOVERY))) {  in nfs_probe_fsinfo()
863 		error = clp->rpc_ops->discover_trunking(server, mntfh);  in nfs_probe_fsinfo()
877 int nfs_probe_server(struct nfs_server *server, struct nfs_fh *mntfh)  in nfs_probe_server()  argument
888 	error = nfs_probe_fsinfo(server, mntfh, fattr);  in nfs_probe_server()
914 void nfs_server_insert_lists(struct nfs_server *server)  in nfs_server_insert_lists()  argument
916 	struct nfs_client *clp = server->nfs_client;  in nfs_server_insert_lists()
920 	list_add_tail_rcu(&server->client_link, &clp->cl_superblocks);  in nfs_server_insert_lists()
921 	list_add_tail(&server->master_link, &nn->nfs_volume_list);  in nfs_server_insert_lists()
928 void nfs_server_remove_lists(struct nfs_server *server)  in nfs_server_remove_lists()  argument
930 	struct nfs_client *clp = server->nfs_client;  in nfs_server_remove_lists()
937 	list_del_rcu(&server->client_link);  in nfs_server_remove_lists()
940 	list_del(&server->master_link);  in nfs_server_remove_lists()
952 	struct nfs_server *server;  in nfs_alloc_server()  local
954 	server = kzalloc(sizeof(struct nfs_server), GFP_KERNEL);  in nfs_alloc_server()
955 	if (!server)  in nfs_alloc_server()
958 	server->client = server->client_acl = ERR_PTR(-EINVAL);  in nfs_alloc_server()
961 	INIT_LIST_HEAD(&server->client_link);  in nfs_alloc_server()
962 	INIT_LIST_HEAD(&server->master_link);  in nfs_alloc_server()
963 	INIT_LIST_HEAD(&server->delegations);  in nfs_alloc_server()
964 	INIT_LIST_HEAD(&server->layouts);  in nfs_alloc_server()
965 	INIT_LIST_HEAD(&server->state_owners_lru);  in nfs_alloc_server()
966 	INIT_LIST_HEAD(&server->ss_copies);  in nfs_alloc_server()
968 	atomic_set(&server->active, 0);  in nfs_alloc_server()
970 	server->io_stats = nfs_alloc_iostats();  in nfs_alloc_server()
971 	if (!server->io_stats) {  in nfs_alloc_server()
972 		kfree(server);  in nfs_alloc_server()
976 	server->change_attr_type = NFS4_CHANGE_TYPE_IS_UNDEFINED;  in nfs_alloc_server()
978 	ida_init(&server->openowner_id);  in nfs_alloc_server()
979 	ida_init(&server->lockowner_id);  in nfs_alloc_server()
980 	pnfs_init_server(server);  in nfs_alloc_server()
981 	rpc_init_wait_queue(&server->uoc_rpcwaitq, "NFS UOC");  in nfs_alloc_server()
983 	return server;  in nfs_alloc_server()
990 void nfs_free_server(struct nfs_server *server)  in nfs_free_server()  argument
992 	nfs_server_remove_lists(server);  in nfs_free_server()
994 	if (server->destroy != NULL)  in nfs_free_server()
995 		server->destroy(server);  in nfs_free_server()
997 	if (!IS_ERR(server->client_acl))  in nfs_free_server()
998 		rpc_shutdown_client(server->client_acl);  in nfs_free_server()
999 	if (!IS_ERR(server->client))  in nfs_free_server()
1000 		rpc_shutdown_client(server->client);  in nfs_free_server()
1002 	nfs_put_client(server->nfs_client);  in nfs_free_server()
1004 	ida_destroy(&server->lockowner_id);  in nfs_free_server()
1005 	ida_destroy(&server->openowner_id);  in nfs_free_server()
1006 	nfs_free_iostats(server->io_stats);  in nfs_free_server()
1007 	put_cred(server->cred);  in nfs_free_server()
1008 	kfree(server);  in nfs_free_server()
1020 	struct nfs_server *server;  in nfs_create_server()  local
1024 	server = nfs_alloc_server();  in nfs_create_server()
1025 	if (!server)  in nfs_create_server()
1028 	server->cred = get_cred(fc->cred);  in nfs_create_server()
1036 	error = nfs_init_server(server, fc);  in nfs_create_server()
1041 	error = nfs_probe_fsinfo(server, ctx->mntfh, fattr);  in nfs_create_server()
1044 	if (server->nfs_client->rpc_ops->version == 3) {  in nfs_create_server()
1045 		if (server->namelen == 0 || server->namelen > NFS3_MAXNAMLEN)  in nfs_create_server()
1046 			server->namelen = NFS3_MAXNAMLEN;  in nfs_create_server()
1048 			server->caps |= NFS_CAP_READDIRPLUS;  in nfs_create_server()
1050 		if (server->namelen == 0 || server->namelen > NFS2_MAXNAMLEN)  in nfs_create_server()
1051 			server->namelen = NFS2_MAXNAMLEN;  in nfs_create_server()
1055 		error = ctx->nfs_mod->rpc_ops->getattr(server, ctx->mntfh,  in nfs_create_server()
1062 	memcpy(&server->fsid, &fattr->fsid, sizeof(server->fsid));  in nfs_create_server()
1065 		(unsigned long long) server->fsid.major,  in nfs_create_server()
1066 		(unsigned long long) server->fsid.minor);  in nfs_create_server()
1068 	nfs_server_insert_lists(server);  in nfs_create_server()
1069 	server->mount_time = jiffies;  in nfs_create_server()
1071 	return server;  in nfs_create_server()
1075 	nfs_free_server(server);  in nfs_create_server()
1088 	struct nfs_server *server;  in nfs_clone_server()  local
1091 	server = nfs_alloc_server();  in nfs_clone_server()
1092 	if (!server)  in nfs_clone_server()
1095 	server->cred = get_cred(source->cred);  in nfs_clone_server()
1098 	server->nfs_client = source->nfs_client;  in nfs_clone_server()
1099 	server->destroy = source->destroy;  in nfs_clone_server()
1100 	refcount_inc(&server->nfs_client->cl_count);  in nfs_clone_server()
1101 	nfs_server_copy_userdata(server, source);  in nfs_clone_server()
1103 	server->fsid = fattr->fsid;  in nfs_clone_server()
1105 	error = nfs_init_server_rpcclient(server,  in nfs_clone_server()
1112 	error = nfs_probe_server(server, fh);  in nfs_clone_server()
1116 	if (server->namelen == 0 || server->namelen > NFS4_MAXNAMLEN)  in nfs_clone_server()
1117 		server->namelen = NFS4_MAXNAMLEN;  in nfs_clone_server()
1119 	error = nfs_start_lockd(server);  in nfs_clone_server()
1123 	nfs_server_insert_lists(server);  in nfs_clone_server()
1124 	server->mount_time = jiffies;  in nfs_clone_server()
1126 	return server;  in nfs_clone_server()
1129 	nfs_free_server(server);  in nfs_clone_server()
1290 	struct nfs_server *server;  in nfs_volume_list_show()  local
1303 	server = list_entry(v, struct nfs_server, master_link);  in nfs_volume_list_show()
1304 	clp = server->nfs_client;  in nfs_volume_list_show()
1307 		 MAJOR(server->s_dev), MINOR(server->s_dev));  in nfs_volume_list_show()
1310 		 (unsigned long long) server->fsid.major,  in nfs_volume_list_show()
1311 		 (unsigned long long) server->fsid.minor);  in nfs_volume_list_show()
1320 		   nfs_server_fscache_state(server));  in nfs_volume_list_show()