#include #include #include #include "internal.h" #include "nfs3_fs.h" #ifdef CONFIG_NFS_V3_ACL static struct rpc_stat nfsacl_rpcstat = { &nfsacl_program }; static const struct rpc_version *nfsacl_version[] = { [3] = &nfsacl_version3, }; const struct rpc_program nfsacl_program = { .name = "nfsacl", .number = NFS_ACL_PROGRAM, .nrvers = ARRAY_SIZE(nfsacl_version), .version = nfsacl_version, .stats = &nfsacl_rpcstat, }; /* * Initialise an NFSv3 ACL client connection */ static void nfs_init_server_aclclient(struct nfs_server *server) { if (server->flags & NFS_MOUNT_NOACL) goto out_noacl; server->client_acl = rpc_bind_new_program(server->client, &nfsacl_program, 3); if (IS_ERR(server->client_acl)) goto out_noacl; /* No errors! Assume that Sun nfsacls are supported */ server->caps |= NFS_CAP_ACLS; return; out_noacl: server->caps &= ~NFS_CAP_ACLS; } #else static inline void nfs_init_server_aclclient(struct nfs_server *server) { server->flags &= ~NFS_MOUNT_NOACL; server->caps &= ~NFS_CAP_ACLS; } #endif struct nfs_server *nfs3_create_server(struct nfs_mount_info *mount_info, struct nfs_subversion *nfs_mod) { struct nfs_server *server = nfs_create_server(mount_info, nfs_mod); /* Create a client RPC handle for the NFS v3 ACL management interface */ if (!IS_ERR(server)) nfs_init_server_aclclient(server); return server; } struct nfs_server *nfs3_clone_server(struct nfs_server *source, struct nfs_fh *fh, struct nfs_fattr *fattr, rpc_authflavor_t flavor) { struct nfs_server *server = nfs_clone_server(source, fh, fattr, flavor); if (!IS_ERR(server) && !IS_ERR(source->client_acl)) nfs_init_server_aclclient(server); return server; } /* * Set up a pNFS Data Server client over NFSv3. * * Return any existing nfs_client that matches server address,port,version * and minorversion. * * For a new nfs_client, use a soft mount (default), a low retrans and a * low timeout interval so that if a connection is lost, we retry through * the MDS. */ struct nfs_client *nfs3_set_ds_client(struct nfs_server *mds_srv, const struct sockaddr *ds_addr, int ds_addrlen, int ds_proto, unsigned int ds_timeo, unsigned int ds_retrans) { struct rpc_timeout ds_timeout; struct nfs_client *mds_clp = mds_srv->nfs_client; struct nfs_client_initdata cl_init = { .addr = ds_addr, .addrlen = ds_addrlen, .nodename = mds_clp->cl_rpcclient->cl_nodename, .ip_addr = mds_clp->cl_ipaddr, .nfs_mod = &nfs_v3, .proto = ds_proto, .net = mds_clp->cl_net, .timeparms = &ds_timeout, }; struct nfs_client *clp; char buf[INET6_ADDRSTRLEN + 1]; /* fake a hostname because lockd wants it */ if (rpc_ntop(ds_addr, buf, sizeof(buf)) <= 0) return ERR_PTR(-EINVAL); cl_init.hostname = buf; if (mds_srv->flags & NFS_MOUNT_NORESVPORT) set_bit(NFS_CS_NORESVPORT, &cl_init.init_flags); /* Use the MDS nfs_client cl_ipaddr. */ nfs_init_timeout_values(&ds_timeout, ds_proto, ds_timeo, ds_retrans); clp = nfs_get_client(&cl_init); return clp; } EXPORT_SYMBOL_GPL(nfs3_set_ds_client); ude/net?h=nds-private-remove&id=257e738238e8ee3960957097be4bf6be6c66a3c4'>net/inet_ecn.h
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