Re: disk driver interface

[mlelstv%serpens.de@localhost (Michael van Elst)]

jnemeth%cue.bc.ca@localhost (John Nemeth) writes:

>     As far as I know, the only drivers that don't support drvctl(4)
>and DIOCGDISKINFO are ccd(4) and cgd(4).  They should just be fixed.

I just added DIOCGDISKINFO support to cgd. ccd(4) is a more difficult
beast, it pre-dates even the change to use device_t.

>} >- import FreeBSD DIOCGMEDIASIZE (and DIOCGSECTORSIZE) ioctls.
>} 
>} I would do that anyway, since it is simple and most things just
>} need those two numbers.

>     These ioctls could probably also be added to
>src/sys/kern/disk_subr.c:disk_ioctl().

I have added DIOCGMEDIASIZE and DIOCGSECTORSIZE, should be now
supported by all drivers but ccd(4).

-- 
-- 
                                Michael van Elst
Internet: mlelstv%serpens.de@localhost
                                "A potential Snark may lurk in every tree."