Re: valgrind (ioctl 0x5395 - CDROM_LAST_WRITTEN)

["Thomas Schmitt" <scdbackup@gmx.net>]

Hi,

Tim Woodall wrote:
> https://github.com/torvalds/linux/blob/master/include/uapi/linux/cdrom.h
> [...]
> ==4710== Warning: noted but unhandled ioctl 0x5395 with no size/direction
> hints.

ioctl CDROM_LAST_WRITTEN is something which software would call to
determine the readable size of a storage device with the confirmatation
that it is an optical drive with a loaded medium.
(Everything else will probably yield errno 9 "Bad file descriptor".)

blkid comes to my mind:
  https://codesearch.debian.net/search?q=package%3Autil-linux+CDROM_LAST_WRITTEN


Have a nice day :)

Thomas