Subject: Re: new kpi proposal, sysdisk(9)
To: YAMAMOTO Takashi <>
From: Elad Efrat <>
List: tech-kern
Date: 12/30/2006 19:46:42
YAMAMOTO Takashi wrote:
>> can you elaborate on the state of wedges
> please ask thorpej. :)
> iirc, it basically works, but needs something like devfs or udev
> to be really useful.

so it's just a matter of writing a devfs or udev. okay.


>> and if 3rd-party drivers have
>> to make use of them, etc.?
> i think, eventually most of disk drivers, at least ones for disks
> which support some kinds of partitions, should use it,
> implicitly or explicitly.

that's a key issue. if it's possible to ioctl to some driver stuff to
go to the disk controller, we lose.

(this is all theoretical, btw, because we, and by "we" I mean "anyone
but me" needs to audit the code mentioned in my first mail.)