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Message-ID: <2cd57c900512192206g7292cb1m@mail.gmail.com>
Date: Tue, 20 Dec 2005 14:06:17 +0800
From: Coywolf Qi Hunt <coywolf@gmail.com>
To: Willy Tarreau <willy@w.ods.org>
Subject: Re: [RFC] Let non-root users eject their ipods?
Cc: john stultz <johnstul@us.ibm.com>, lkml <linux-kernel@vger.kernel.org>,
       greg@kroah.com, axboe@suse.de, vandrove@vc.cvut.cz, aia21@cam.ac.uk,
       akpm@osdl.org
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	 <20051220051821.GM15993@alpha.home.local>
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2005/12/20, Willy Tarreau <willy@w.ods.org>:
> Hi John,
>
> On Mon, Dec 19, 2005 at 06:51:58PM -0800, john stultz wrote:
> > All,
> >       I'm getting a little tired of my roommates not knowing how to safely
> > eject their usb-flash disks from my system and I'd personally like it if
> > I could avoid bringing up a root shell to eject my ipod. Sure, one could
> > suid the eject command, but that seems just as bad as changing the
> > permissions in the kernel (eject wouldn't be able to check if the user
> > has read/write permissions on the device, allowing them to eject
> > anything).
>
> You may find my question stupid, but what is wrong with umount ? That's
> how I proceed with usb-flash and I've never sent any eject command to
> it (I even didn't know that the ioctl would be accepted by an sd device).

IMHO, umount doesn't guarantee sync, isn't it? That's similar to why
users should press sysrq-s after sysrq-u.

(CC: Petr Vandrovec, Anton Altaparmakov, Andrew Morton)

-- coywolf
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