linux-kernel - Re: USB Key light on/off state depending on mount

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Message-ID: <46D0AB7B.1080709@s5r6.in-berlin.de>
Date:	Sun, 26 Aug 2007 00:21:47 +0200
From:	Stefan Richter <stefanr@...6.in-berlin.de>
To:	Guennadi Liakhovetski <g.liakhovetski@....de>
CC:	Josh Boyer <jwboyer@...il.com>, Casey Dahlin <cjdahlin@...u.edu>,
	linux-kernel@...r.kernel.org
Subject: Re: USB Key light on/off state depending on mount

Guennadi Liakhovetski wrote:
> I might imagine how windows turns the LED off on 
> unmount. Try "eject /dev/sdX", where sdX is your USB storage, after you 
> unmount it. Be careful, especially if you have SATA (or SCSI) discs in 
> your system or if you use libata for PATA discs not to eject the wrong 
> one...

If there is only one USB disk connected:
# eject /dev/disk/by-path/*usb*:0

Provided you let udev create links for you.  BTW, the /dev/disk/by-id/
symlinks are nice for static mount points in /etc/fstab.

After a disk was mounted, eject also accepts the mountpoint as parameter
and will unmount the disk before it tries to eject it.
-- 
Stefan Richter
-=====-=-=== =--- ==-=-
http://arcgraph.de/sr/
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