On 4/25/20 1:56 AM, Christoph Hellwig wrote: > Hi Jens, > > except for the DASD case under discussion the last users of ioctl_by_bdev > are the file system drivers that want to query CDROM information using > ioctls. This series switches them to use function calls directly into > the CDROM midlayer instead, which implies: > > - adding a cdrom_device_info pointer to the gendisk, so that file systems > can find it without going to the low-level driver first > - ensuring that the CDROM midlayer (which isn't a lot of code) is built > in if the file systems are built in so that they can actually call the > exported functions > > Changes since v1: > - fix up the no-CDROM error case in isofs_get_last_session to return 0 > instead of -EINVAL.
Applied for 5.8, thanks. -- Jens Axboe
