Re: [PATCH] blkdev: make struct block_device_operations.devnode() take a const *

[Christoph Hellwig]

On Wed, Nov 09, 2022 at 03:48:43PM +0100, Greg Kroah-Hartman wrote:
> The devnode() callback in struct block_device_operations should not be
> modifying the device that is passed into it, so mark it as a const * and
> propagate the function signature changes out into the one subsystem that
> actually uses this callback.

Yes.  In fact it really shouldn't exist at all.  I wonder if we can
do another attempt at dropping pktcdvd?