Error **errp)
{
Error *local_err = NULL;
+ Transaction *tran = tran_new();
int ret;
- ret = bdrv_child_check_perm(c, NULL, perm, shared, NULL, &local_err);
+ bdrv_child_set_perm_safe(c, perm, shared, tran);
+
+ ret = bdrv_refresh_perms(c->bs, &local_err);
+
+ tran_finalize(tran, ret);
+
if (ret < 0) {
- bdrv_child_abort_perm_update(c);
if ((perm & ~c->perm) || (c->shared_perm & ~shared)) {
/* tighten permissions */
error_propagate(errp, local_err);
error_free(local_err);
ret = 0;
}
- return ret;
}
- bdrv_child_set_perm(c);
-
- return 0;
+ return ret;
}
int bdrv_child_refresh_perms(BlockDriverState *bs, BdrvChild *c, Error **errp)