On Fri, Jun 28, 2019 at 11:18:19PM +0900, OGAWA Hirofumi wrote: > To workaround those devices and provide flexibility, this adds > "barrier"/"nobarrier" mount options to fat driver. We have deprecated these rather misnamed options, and now instead allow tweaking the 'cache_type' attribute on the SCSI device. That being said if the device behave this buggy you should also report it to to the usb-storage and scsi maintainers so that we can add a quirk for it.