[RFC] change in /proc/devices

[Alexander Viro]

On 22 Jan 2000, david parsons wrote:

> In article <linux.kernel.Pine.GSO.4.10.10001222307410.27195-100000 en weyl.math.psu.edu>,
> Alexander Viro  <viro en math.psu.edu> wrote:
> 
> >(I _really_ don't see the point in separate names for IDE interfaces here,
> 
>     Because, unlike scsi, ide majors are randomly scattered all over g-d's
>     creation.   If you've got some (puke) userland script faking devfs
>     (like recent MAKEDEV's) it will probably care about the difference
>     between ide0, ide1, ide2, and so on.
> 
>     Changing sort order shouldn't matter, but pulling information out does.

Humpf... You know, there may be a better way to do it. What would you say
about:

$ cat /proc/drivers/block/devices
0300[40] hda
0340[40] hdb
2100[40] hde
2140[40] hdf
0800[10] sda
etc.
If anything, it simplifies MAKEDEV-style scripts big way. And has a benefit
of making them work with any allocation scheme for device numbers. Format
is obvious: "%04x[%x] %s", first_device_number, amount, name. If you
really want it we might add driver name in the end of the thing, but that
might be an overkill. Comments?


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