On Mon, 11 Jul 2016, Oliver Neukum wrote: > Some SATA to USB bridges fail to cooperate with some > drives resulting in no cache being present being reported > to the host. That causes the host to skip sending > a command to synchronize caches. That causes data loss > when the drive is powered down. > @@ -581,6 +582,9 @@ void usb_stor_adjust_quirks(struct usb_device *udev, unsigned long *fflags) > case 'w': > f |= US_FL_NO_WP_DETECT; > break; > + case 'y': > + f |= US_FL_ALWAYS_SYNC; > + break; > /* Ignore unrecognized flag characters */ > } > } You need to update Documentation/kernel-parameters.txt too. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
