Re: USB: on suspend to ram/disk all usb devices are replugged

Pavel Machek
2007-04-01T15:30:10Z

Hi!

> > > In that case the user would see data corruption - just as if he mounts a piece
> > > of removable media in a USB card reader; yanks out the card and modifies it
> > > elsewhere, and then puts it back in.
> >
> > > I my opinion we can't really defend ourselves against such users... We can of
> > > course add checks in the file system drivers in the resume hooks to validate the
> > > super block and mount read-only if something change.
> >
> > The GNOME hath spoken?

> I also thought about that,
>
> I think that the best solution is still to hide connect/disconnect of usb devices from userspace (now it also causes corruption)
> But to refuse suspend with any usb mass storage device connected with mounted systems (and add a module param override
> for users who know what they are doing)
>
> What do you think ?

Agreed... and notice how easy is to do that in userspace :-))).

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