Re: [PATCH v4 00/10] Fix cdrom autoclose

From: Jens Axboe
Date: Thu Nov 21 2019 - 14:00:16 EST


On 11/21/19 10:13 AM, Michal Suchanek wrote:
> Hello,
>
> there is cdrom autoclose feature that is supposed to close the tray,
> wait for the disc to become ready, and then open the device.
>
> This used to work in ancient times. Then in old times there was a hack
> in util-linux which worked around the breakage which probably resulted
> from switching to scsi emulation.
>
> Currently util-linux maintainer refuses to merge another hack on the
> basis that kernel still has the feature so it should be fixed there.
> The code needs not be replicated in every userspace utility like mount
> or dd which has no business knowing which devices are CD-roms and where
> the autoclose setting is in the kernel.

This is a lot of code/churn (and even an fops addition...) to work around
a broken hw emulation, essentially. Why aren't we just pushing vmware
to fix this?

--
Jens Axboe