linux-kernel - Re: [patch] floppy: suspend/resume fix

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Message-Id: <200611152203.21835.rjw@sisk.pl>
Date:	Wed, 15 Nov 2006 22:03:21 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Pavel Machek <pavel@....cz>
Cc:	Alan <alan@...rguk.ukuu.org.uk>, linux-kernel@...r.kernel.org
Subject: Re: [patch] floppy: suspend/resume fix

On Wednesday, 15 November 2006 21:49, Pavel Machek wrote:
> Hi!
> 
> > > > > Suspending with mounted floppy is a user error.
> > > > 
> > > > Huh?  How so?
> > > 
> > > Floppy is removable, and you are expected to umount removable devices
> > > before suspend.
> > 
> > That seems pretty crude. There are lots of cases where an apparently
> > removable device is/should be preserved properly and left mounted (eg
> > builtin CF).
> > 
> > We really want to be smarter than that - which means the drivers ought to
> > be doing stuff in their suspend/resume paths to figure out if the media
> > changed when really possible (eg IDE removable)
> > 
> > Floppy is probably not too fixable, but calling it a "user error" is
> > insulting - user expectation is reasonable that suspend/resume should
> > just work. The implementation is just rather trickier/nonsensical in this
> > case.
> 
> Yep, it would be nice to do something about that; but I'm not sure how
> this "was media changed" should be implemented, and if it should be
> done in kernel or in userland.

<heresy>
Use something like subfs?
</heresy>

Greetings,
Rafael


-- 
You never change things by fighting the existing reality.
		R. Buckminster Fuller
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