52     BlockExport *exp;  in blk_exp_find()  local
54     QLIST_FOREACH(exp, &block_exports, next) {  in blk_exp_find()
55         if (strcmp(id, exp->id) == 0) {  in blk_exp_find()
56             return exp;  in blk_exp_find()
79     BlockExport *exp = NULL;  in blk_exp_add()  local
173     exp = g_malloc0(drv->instance_size);  in blk_exp_add()
174     *exp = (BlockExport) {  in blk_exp_add()
183     ret = drv->create(exp, export, errp);  in blk_exp_add()
188     assert(exp->blk != NULL);  in blk_exp_add()
190     QLIST_INSERT_HEAD(&block_exports, exp, next);  in blk_exp_add()
191     return exp;  in blk_exp_add()
198     if (exp) {  in blk_exp_add()
199         g_free(exp->id);  in blk_exp_add()
200         g_free(exp);  in blk_exp_add()
205 void blk_exp_ref(BlockExport *exp)  in blk_exp_ref()  argument
207     assert(qatomic_read(&exp->refcount) > 0);  in blk_exp_ref()
208     qatomic_inc(&exp->refcount);  in blk_exp_ref()
214     BlockExport *exp = opaque;  in blk_exp_delete_bh()  local
216     assert(exp->refcount == 0);  in blk_exp_delete_bh()
217     QLIST_REMOVE(exp, next);  in blk_exp_delete_bh()
218     exp->drv->delete(exp);  in blk_exp_delete_bh()
219     blk_set_dev_ops(exp->blk, NULL, NULL);  in blk_exp_delete_bh()
220     blk_unref(exp->blk);  in blk_exp_delete_bh()
221     qapi_event_send_block_export_deleted(exp->id);  in blk_exp_delete_bh()
222     g_free(exp->id);  in blk_exp_delete_bh()
223     g_free(exp);  in blk_exp_delete_bh()
226 void blk_exp_unref(BlockExport *exp)  in blk_exp_unref()  argument
228     assert(qatomic_read(&exp->refcount) > 0);  in blk_exp_unref()
229     if (qatomic_fetch_dec(&exp->refcount) == 1) {  in blk_exp_unref()
232                                 exp);  in blk_exp_unref()
242 void blk_exp_request_shutdown(BlockExport *exp)  in blk_exp_request_shutdown()  argument
249     if (!exp->user_owned) {  in blk_exp_request_shutdown()
253     exp->drv->request_shutdown(exp);  in blk_exp_request_shutdown()
255     assert(exp->user_owned);  in blk_exp_request_shutdown()
256     exp->user_owned = false;  in blk_exp_request_shutdown()
257     blk_exp_unref(exp);  in blk_exp_request_shutdown()
266     BlockExport *exp;  in blk_exp_has_type()  local
272     QLIST_FOREACH(exp, &block_exports, next) {  in blk_exp_has_type()
273         if (exp->drv->type == type) {  in blk_exp_has_type()
284     BlockExport *exp, *next;  in blk_exp_close_all_type()  local
288     QLIST_FOREACH_SAFE(exp, &block_exports, next, next) {  in blk_exp_close_all_type()
289         if (type != BLOCK_EXPORT_TYPE__MAX && exp->drv->type != type) {  in blk_exp_close_all_type()
292         blk_exp_request_shutdown(exp);  in blk_exp_close_all_type()
313     BlockExport *exp;  in qmp_block_export_del()  local
315     exp = blk_exp_find(id);  in qmp_block_export_del()
316     if (exp == NULL) {  in qmp_block_export_del()
320     if (!exp->user_owned) {  in qmp_block_export_del()
329         qatomic_read(&exp->refcount) > 1) {  in qmp_block_export_del()
330         error_setg(errp, "export '%s' still in use", exp->id);  in qmp_block_export_del()
336     blk_exp_request_shutdown(exp);  in qmp_block_export_del()
342     BlockExport *exp;  in qmp_query_block_exports()  local
344     QLIST_FOREACH(exp, &block_exports, next) {  in qmp_query_block_exports()
347             .id             = g_strdup(exp->id),  in qmp_query_block_exports()
348             .type           = exp->drv->type,  in qmp_query_block_exports()
349             .node_name      = g_strdup(bdrv_get_node_name(blk_bs(exp->blk))),  in qmp_query_block_exports()
350             .shutting_down  = !exp->user_owned,  in qmp_query_block_exports()