Hi Ming, I was reading through the code of loop DIO/AIO and I was wondering whether lo_req_flush() really honors REQ_FLUSH by calling vfs_fsync() on a backing file that is open with O_DIRECT? Shouldn't lo_req_flush() actually wait for completion of all the in-flight loop AIO requests to complete? Am I missing something? Thanks, Amir. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html