Re: [Utopia] [patch] mount/unmount when starting/stopping

[Robert Love <rml ximian com>]

On Tue, 2004-08-17 at 19:34 +0200, David Zeuthen wrote:

> 'echo 0 > /proc/sys/dev/cdrom/lock' would do the trick. If the disc is
> mounted and forcibly removed, then the hal daemon will issue an 'umount
> -l /dev/cdrom' (lazy unmount) and stuff works. Of course this may crash
> badly written apps (fd's from files on the mount point will be invalid)
> but anyone can write a broken app.
> 
> The implications on the kernel side for doing this, I dunno, you may
> want to ask Robert or your local kernel guru.
> 
> However, it works very nicely for me.

If the lazy unmount succeeds then the only risk is an unsynced
superblock and dirty buffers.  Neither of these are an issue on read-
only media.  On write-only media, removing the device without unmounting
it is bad bad bad.

	Robert Love