[PATCH] sd_many done right (1/5)

Hi,

here comes patch 1/5 from a series of patches to support more than 128 (and
optionally more than 256) SCSI disks with Linux 2.4 by changing the sd driver
to dynamically allocate memory and register block majors as disks get
attached.

The patches are all available at
http://www.suse.de/~garloff/linux/scsi-many/

This patch (1/5) does implement some infrastructure that is useful: We
extend the format of /proc/scsi/scsi to report the attached high-level
drivers. 
This can be used by userspace applications to dynamically create device
nodes or to talk to the corresponding sg device (which otherwise is non-
trivial to find out!) and inquire extra information such as serial number
or WWID.

Here's a sample.
Host: scsi5 Channel: 00 Id: 04 Lun: 00
  Vendor: Linux    Model: scsi_debug       Rev: 0003
  Type:   Direct-Access                    ANSI SCSI revision: 03
  Attached drivers: sdr(b:41:10) sg18(c:15:12)
      
Patch is against 2.4.19rc1.
Marcelo, these patches are meant for inclusion into 2.4.20pre.

Regards,
-- 
Kurt Garloff  <garloff@xxxxxxx>                          Eindhoven, NL
GPG key: See mail header, key servers         Linux kernel development
SuSE Linux AG, Nuernberg, DE                            SCSI, Security

scsi-rep-hldevs-2419rc1.diff
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