Re: [PATCHv2] usb: gadget: storage: optional SCSI WRITE FUA bit

[MichaÅ Nazarewicz]

> 2010/7/14 MichaÅ Nazarewicz <m.nazarewicz@xxxxxxxxxxx>:
> > Ah, OK, I see why this is per LUN.  You want to be able not to ignore
> > FUA if the backing storage is a removable media, right?

On Wed, 14 Jul 2010 17:05:07 +0200, Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote:
> In instance, or vise versa.

I actually see the most sense in disabling FUA on devices with their
own power supply for logical units which backing file is not (on) a
removable device unless the removable device has some kind of lock
(like CD-ROM's door).

Either way, I now see the point of having this option per-LUN.

> > > Actually fua = 1 means ignorance of that flag.

> > ignore_fua would be better name then I think.  This also stands for
> > module parameter.

Or even ânofuaâ.  The other solution would be to change the meaning
to the opposite (1 meaning that FUA is not ignored).

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