VolumeUnmountForced symlink problem

[David Zeuthen]

On Tue, 2005-04-26 at 15:25 +1000, Rohan McGovern wrote:
> Hi all,
> 
> With HAL (versions 0.4.7 and 0.5.0), I'm seeing the following behaviour:
> 
> If I insert a CD in /dev/hdc, with an fstab entry for /dev/hdc, 
> 'mount /dev/hdc', then eject without unmounting, it is automatically 
> unmounted and HAL sends VolumeUnmountForced.
> 
> If I insert a CD in /dev/hdc, with an fstab entry for /dev/cdrom which is a 
> symlink to /dev/hdc, 'mount /dev/cdrom', then eject without unmounting, 
> nothing happens (i.e. the FS stays mounted and the kernel complains 'VFS: 
> busy inodes on changed media' until I manually 'umount').
> 
> (note: I did "echo 0 > /proc/sys/dev/cdrom/lock" in order to be able to eject 
> without unmounting.)
> 
> Surely the behaviour should be consistent for both symlinked and real device 
> node mounts?

Yeah, it seems odd that the kernel does this. I have no idea why though,
sorry. All that hal does is a 'umount -l /dev/hdc', can you reproduce
this without hal in the picture?

Cheers,
David


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