Re: [PATCH v2 7/8] scsi: sr: workaround VMware ESXi cdrom emulation bug

From: Christoph Hellwig
Date: Wed Oct 23 2019 - 22:23:09 EST

On Wed, Oct 23, 2019 at 02:52:46PM +0200, Michal Suchanek wrote:
> The drive claims to have a tray and claims to be able to close it.
> However, the UI has no notion of a tray - when medium is ejected it is
> dropped in the floor and the user must select a medium again before the
> drive can be re-loaded. On the kernel side the tray_move call to close
> the tray succeeds but the drive state does not change as a result of the
> call.
> The drive does not in fact emulate the tray state. There are two ways to
> get the medium state. One is the SCSI status:

Given that this is a buggy software emulation we should not add more
than 100 lines of kernel code to work around it. Ask VMware to fix
their mess instead.