Re: Solve the problem that umount will fail when an opened file isn't closed

[Mike Smullin]

Thanks for that, Jan. What a great idea!

> >I have implemented an auto-mount & auto-umount
> facility based on USB
> >hotplug.

Colin can you explain how you implemented this? I would like to try it, too.

Thanks,
Mike

--
Mike Smullin
"The day I come in front of the Gartner audience and say we have a
better Unix than Linux, that'll be a good day" -- Steve Ballmer
http://www.mikesmullin.com

--- Jan Engelhardt <jengelh@xxxxxxxxxxxxxxx> wrote:

> >
> >Hi all,
> >I have implemented an auto-mount & auto-umount
> facility based on USB
> >hotplug.
> >An annoying problem will occur when some process
> doesn't close its open file
> >and auto-umount is trying to umount that mount
> point after usb disk has been
> >unplugged.
> >Is there any way to force it to be umounted in this
> situation?
> >
>
> fs/super.c:
>
>     /* Forget any remaining inodes */
>     if (invalidate_inodes(sb)) {
>         printk("VFS: Busy inodes after unmount of
> %s. "
>            "Self-destruct in 5 seconds.  Have a nice
> day...\n",
>            sb->s_id);
>     }
>
> That's what happens if you eject a CD. The box won't
> explode though.
>
>
> Jan Engelhardt
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