Fix up passthrough comments
Fix up comments from commit
"tcmur: add tcmur_cmd_passthrough_handler support".
We need that code path to support type1 tcmu-runner handlers
that are queue_depth=1 or do their own threading/aio.
@@ -502,8 +502,8 @@ int tcmur_cmd_passthrough_handler(struct tcmu_device *dev,
return TCMU_NOT_HANDLED;
/*
- * This could be omitting here, but with it could speed up the
- * passthrough cmds handling without the aio pop/push routines.
+ * Support handlers that implement their own threading/AIO
+ * and only use runner's main event loop.
*/
if (!rhandler->nr_threads)
return rhandler->handle_cmd(dev, cmd);
