SnapshotInfo *qmp_blockdev_snapshot_delete_internal_sync(const char *device, bool has_id, const char *id, bool has_name, const char *name, Error **errp) { BlockDriverState *bs; BlockBackend *blk; AioContext *aio_context; QEMUSnapshotInfo sn; Error *local_err = NULL; SnapshotInfo *info = NULL; int ret; blk = blk_by_name(device); if (!blk) { error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, "Device '%s' not found", device); return NULL; } aio_context = blk_get_aio_context(blk); aio_context_acquire(aio_context); if (!has_id) { id = NULL; } if (!has_name) { name = NULL; } if (!id && !name) { error_setg(errp, "Name or id must be provided"); goto out_aio_context; } if (!blk_is_available(blk)) { error_setg(errp, "Device '%s' has no medium", device); goto out_aio_context; } bs = blk_bs(blk); if (bdrv_op_is_blocked(bs, BLOCK_OP_TYPE_INTERNAL_SNAPSHOT_DELETE, errp)) { goto out_aio_context; } ret = bdrv_snapshot_find_by_id_and_name(bs, id, name, &sn, &local_err); if (local_err) { error_propagate(errp, local_err); goto out_aio_context; } if (!ret) { error_setg(errp, "Snapshot with id '%s' and name '%s' does not exist on " "device '%s'", STR_OR_NULL(id), STR_OR_NULL(name), device); goto out_aio_context; } bdrv_snapshot_delete(bs, id, name, &local_err); if (local_err) { error_propagate(errp, local_err); goto out_aio_context; } aio_context_release(aio_context); info = g_new0(SnapshotInfo, 1); info->id = g_strdup(sn.id_str); info->name = g_strdup(sn.name); info->date_nsec = sn.date_nsec; info->date_sec = sn.date_sec; info->vm_state_size = sn.vm_state_size; info->vm_clock_nsec = sn.vm_clock_nsec % 1000000000; info->vm_clock_sec = sn.vm_clock_nsec / 1000000000; return info; out_aio_context: aio_context_release(aio_context); return NULL; }