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
176     exp = g_malloc0(drv->instance_size);  in blk_exp_add()
177     *exp = (BlockExport) {  in blk_exp_add()
186     ret = drv->create(exp, export, errp);  in blk_exp_add()
191     assert(exp->blk != NULL);  in blk_exp_add()
193     QLIST_INSERT_HEAD(&block_exports, exp, next);  in blk_exp_add()
196     return exp;  in blk_exp_add()
204     if (exp) {  in blk_exp_add()
205         g_free(exp->id);  in blk_exp_add()
206         g_free(exp);  in blk_exp_add()
211 void blk_exp_ref(BlockExport *exp)  in blk_exp_ref()  argument
213     assert(qatomic_read(&exp->refcount) > 0);  in blk_exp_ref()
214     qatomic_inc(&exp->refcount);  in blk_exp_ref()
220     BlockExport *exp = opaque;  in blk_exp_delete_bh()  local
221     AioContext *aio_context = exp->ctx;  in blk_exp_delete_bh()
225     assert(exp->refcount == 0);  in blk_exp_delete_bh()
226     QLIST_REMOVE(exp, next);  in blk_exp_delete_bh()
227     exp->drv->delete(exp);  in blk_exp_delete_bh()
228     blk_set_dev_ops(exp->blk, NULL, NULL);  in blk_exp_delete_bh()
229     blk_unref(exp->blk);  in blk_exp_delete_bh()
230     qapi_event_send_block_export_deleted(exp->id);  in blk_exp_delete_bh()
231     g_free(exp->id);  in blk_exp_delete_bh()
232     g_free(exp);  in blk_exp_delete_bh()
237 void blk_exp_unref(BlockExport *exp)  in blk_exp_unref()  argument
239     assert(qatomic_read(&exp->refcount) > 0);  in blk_exp_unref()
240     if (qatomic_fetch_dec(&exp->refcount) == 1) {  in blk_exp_unref()
243                                 exp);  in blk_exp_unref()
255 void blk_exp_request_shutdown(BlockExport *exp)  in blk_exp_request_shutdown()  argument
257     AioContext *aio_context = exp->ctx;  in blk_exp_request_shutdown()
266     if (!exp->user_owned) {  in blk_exp_request_shutdown()
270     exp->drv->request_shutdown(exp);  in blk_exp_request_shutdown()
272     assert(exp->user_owned);  in blk_exp_request_shutdown()
273     exp->user_owned = false;  in blk_exp_request_shutdown()
274     blk_exp_unref(exp);  in blk_exp_request_shutdown()
286     BlockExport *exp;  in blk_exp_has_type()  local
292     QLIST_FOREACH(exp, &block_exports, next) {  in blk_exp_has_type()
293         if (exp->drv->type == type) {  in blk_exp_has_type()
304     BlockExport *exp, *next;  in blk_exp_close_all_type()  local
308     QLIST_FOREACH_SAFE(exp, &block_exports, next, next) {  in blk_exp_close_all_type()
309         if (type != BLOCK_EXPORT_TYPE__MAX && exp->drv->type != type) {  in blk_exp_close_all_type()
312         blk_exp_request_shutdown(exp);  in blk_exp_close_all_type()
333     BlockExport *exp;  in qmp_block_export_del()  local
335     exp = blk_exp_find(id);  in qmp_block_export_del()
336     if (exp == NULL) {  in qmp_block_export_del()
340     if (!exp->user_owned) {  in qmp_block_export_del()
349         qatomic_read(&exp->refcount) > 1) {  in qmp_block_export_del()
350         error_setg(errp, "export '%s' still in use", exp->id);  in qmp_block_export_del()
356     blk_exp_request_shutdown(exp);  in qmp_block_export_del()
362     BlockExport *exp;  in qmp_query_block_exports()  local
364     QLIST_FOREACH(exp, &block_exports, next) {  in qmp_query_block_exports()
367             .id             = g_strdup(exp->id),  in qmp_query_block_exports()
368             .type           = exp->drv->type,  in qmp_query_block_exports()
369             .node_name      = g_strdup(bdrv_get_node_name(blk_bs(exp->blk))),  in qmp_query_block_exports()
370             .shutting_down  = !exp->user_owned,  in qmp_query_block_exports()