64 	struct idmap *idmap;  member
67 struct idmap {  struct
271 					 const char *type, struct idmap *idmap)  in nfs_idmap_request_key()  argument
283 		mutex_lock(&idmap->idmap_mutex);  in nfs_idmap_request_key()
285 						desc, "", 0, idmap);  in nfs_idmap_request_key()
286 		mutex_unlock(&idmap->idmap_mutex);  in nfs_idmap_request_key()
297 				 size_t data_size, struct idmap *idmap)  in nfs_idmap_get_key()  argument
305 	rkey = nfs_idmap_request_key(name, namelen, type, idmap);  in nfs_idmap_get_key()
341 				     size_t buflen, struct idmap *idmap)  in nfs_idmap_lookup_name()  argument
348 	ret = nfs_idmap_get_key(id_str, id_len, type, buf, buflen, idmap);  in nfs_idmap_lookup_name()
356 			       __u32 *id, struct idmap *idmap)  in nfs_idmap_lookup_id()  argument
363 	data_size = nfs_idmap_get_key(name, namelen, type, id_str, NFS_UINT_MAXLEN, idmap);  in nfs_idmap_lookup_id()
416 	struct idmap *idmap = pdo->pdo_data;  in nfs_idmap_pipe_destroy()  local
417 	struct rpc_pipe *pipe = idmap->idmap_pipe;  in nfs_idmap_pipe_destroy()
428 	struct idmap *idmap = pdo->pdo_data;  in nfs_idmap_pipe_create()  local
429 	struct rpc_pipe *pipe = idmap->idmap_pipe;  in nfs_idmap_pipe_create()
432 	dentry = rpc_mkpipe_dentry(dir, "idmap", idmap, pipe);  in nfs_idmap_pipe_create()
447 	struct idmap *idmap;  in nfs_idmap_new()  local
451 	idmap = kzalloc(sizeof(*idmap), GFP_KERNEL);  in nfs_idmap_new()
452 	if (idmap == NULL)  in nfs_idmap_new()
455 	rpc_init_pipe_dir_object(&idmap->idmap_pdo,  in nfs_idmap_new()
457 			idmap);  in nfs_idmap_new()
464 	idmap->idmap_pipe = pipe;  in nfs_idmap_new()
465 	mutex_init(&idmap->idmap_mutex);  in nfs_idmap_new()
469 			&idmap->idmap_pdo);  in nfs_idmap_new()
473 	clp->cl_idmap = idmap;  in nfs_idmap_new()
476 	rpc_destroy_pipe_data(idmap->idmap_pipe);  in nfs_idmap_new()
478 	kfree(idmap);  in nfs_idmap_new()
485 	struct idmap *idmap = clp->cl_idmap;  in nfs_idmap_delete()  local
487 	if (!idmap)  in nfs_idmap_delete()
492 			&idmap->idmap_pdo);  in nfs_idmap_delete()
493 	rpc_destroy_pipe_data(idmap->idmap_pipe);  in nfs_idmap_delete()
494 	kfree(idmap);  in nfs_idmap_delete()
497 static int nfs_idmap_prepare_message(char *desc, struct idmap *idmap,  in nfs_idmap_prepare_message()  argument
539 nfs_idmap_prepare_pipe_upcall(struct idmap *idmap,  in nfs_idmap_prepare_pipe_upcall()  argument
542 	if (idmap->idmap_upcall_data != NULL) {  in nfs_idmap_prepare_pipe_upcall()
546 	idmap->idmap_upcall_data = data;  in nfs_idmap_prepare_pipe_upcall()
558 static void nfs_idmap_abort_pipe_upcall(struct idmap *idmap,  in nfs_idmap_abort_pipe_upcall()  argument
562 	if (cmpxchg(&idmap->idmap_upcall_data, data, NULL) == data)  in nfs_idmap_abort_pipe_upcall()
572 	struct idmap *idmap = (struct idmap *)aux;  in nfs_idmap_legacy_upcall()  local
587 	data->idmap = idmap;  in nfs_idmap_legacy_upcall()
590 	ret = nfs_idmap_prepare_message(key->description, idmap, im, msg);  in nfs_idmap_legacy_upcall()
595 	if (!nfs_idmap_prepare_pipe_upcall(idmap, data))  in nfs_idmap_legacy_upcall()
598 	ret = rpc_queue_upcall(idmap->idmap_pipe, msg);  in nfs_idmap_legacy_upcall()
600 		nfs_idmap_abort_pipe_upcall(idmap, data, ret);  in nfs_idmap_legacy_upcall()
655 	struct idmap *idmap = (struct idmap *)rpci->private;  in idmap_pipe_downcall()  local
666 	data = xchg(&idmap->idmap_upcall_data, NULL);  in idmap_pipe_downcall()
713 	struct idmap *idmap = data->idmap;  in idmap_pipe_destroy_msg()  local
716 		nfs_idmap_abort_pipe_upcall(idmap, data, msg->errno);  in idmap_pipe_destroy_msg()
723 	struct idmap *idmap = (struct idmap *)rpci->private;  in idmap_release_pipe()  local
726 	data = xchg(&idmap->idmap_upcall_data, NULL);  in idmap_release_pipe()
733 	struct idmap *idmap = server->nfs_client->cl_idmap;  in nfs_map_name_to_uid()  local
738 		ret = nfs_idmap_lookup_id(name, namelen, "uid", &id, idmap);  in nfs_map_name_to_uid()
750 	struct idmap *idmap = server->nfs_client->cl_idmap;  in nfs_map_group_to_gid()  local
755 		ret = nfs_idmap_lookup_id(name, namelen, "gid", &id, idmap);  in nfs_map_group_to_gid()
767 	struct idmap *idmap = server->nfs_client->cl_idmap;  in nfs_map_uid_to_name()  local
773 		ret = nfs_idmap_lookup_name(id, "user", buf, buflen, idmap);  in nfs_map_uid_to_name()
781 	struct idmap *idmap = server->nfs_client->cl_idmap;  in nfs_map_gid_to_group()  local
787 		ret = nfs_idmap_lookup_name(id, "group", buf, buflen, idmap);  in nfs_map_gid_to_group()