> Module Name:	src
> Committed By:	dsl
> Date:		Sat Jun 30 22:16:39 UTC 2007
> 
> Modified Files:
> 	src/sys/dev/isa: mcd.c
> 	src/sys/dev/scsipi: cd.c
> 	src/sys/sys: cdio.h
> 
> Log Message:
> The cd ioctl definitions are not condusive to being called from within
>   the kernel (eg from withthe linux compat code).
> Add CDIOCREADSUBCHANNEL_BUF and CDIOREADTOCENTRIES_BUF which are like the
>   existing ioctls withoutthe _BUF, except that the data area immediately
>   follows the control structure (and is fixed length).
> Modify scsipi/cd.c so that it only ever has one 'struct cd_formatted_toc'
>   allocated on the stack (maybe this info ought to be in the softc)
>   structure since even one 800 byte on-stack buffer isn't overly friendly.
> cdplay(1) still seems able to read the track-list of an ATAPI cd.
> 
> 
> To generate a diff of this commit:
> cvs rdiff -r1.97 -r1.98 src/sys/dev/isa/mcd.c
> cvs rdiff -r1.263 -r1.264 src/sys/dev/scsipi/cd.c
> cvs rdiff -r1.26 -r1.27 src/sys/sys/cdio.h
> 
> Please note that diffs are not public domain; they are subject to the
> copyright notices on the relevant files.

isn't it what FKIOCTL is for?

YAMAMOTO Takashi