Re: Question on MAJOR.H

From: Jeff V. Merkey (jmerkey@timpanogas.com)
Date: Fri Apr 07 2000 - 13:23:44 EST


I found Documentation/devices.txt for 2.3.99. It does describe the
extra SCSI stuff, but there's no mention of the compaq smart array
device stuff.

Jeff

"Jeff V. Merkey" wrote:
>
> On a side note, I noticed that ll_rw_blk does not appear to check for
> these devices, which would seem to indicate that if you attempt to do
> I/O to some of them, the request will fall on the floor since
> ll_rw_blk.c only checks for certain ranges of devices. Is it also
> assumed that these folks have some way they use to r/w these devices.
>
> Jeff
>
> "Jeff V. Merkey" wrote:
> >
> > I noticed that compaq has special device entries in MAJOR.H for their
> > controllers. Should probably scan for these devices for NWFS, as well
> > as the additional SCSI and IDE support in 2.4. What are the minor
> > device assignments supposed to be for the compaq major devices, and what
> > is their anticipated /dev/??? names supposed to be. For the tools to
> > work on Compaq smart controllers, and machines with more than 16 SCSI
> > devices, I would need to know these assignments from both kernel and
> > user space so folks can create NetWare volumes on these devices.
> >
> > Also noticed DASD Major and MDISK major entries. What are the allowed
> > minor device numbers for these devices and their symbolic /dev/???
> > handles anticipated to be.
> >
> > Thanks,
> >
> > Jeff

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