Patches for SCSI scanning

[Kurt Garloff <garloff@suse.de>]

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Hi,

at SUSE, the way that Linux scan SCSI devices has constantly generated
a certain support load. Not extremely but still astonishing.
As a consequence, we have created a number of patches to our 2.4 kernels
that did improve some things, such as the backport of the REPORT_LUNS
scanning from 2.6 and a number of boot/module parameters that allowed
users to influence how the scanning is done.
http://www.suse.de/~garloff/Linux/scsi-scan/scsi-scanning.html

With kernel 2.6, the REPORT_LUNS is standard for SCSI-3 devices,
but still many arrays exist that report as SCSI-2 and will require
BLIST_SPARSELUN|BLIST_LARGELUN.

An alternative to the blacklist is to offer boot/module parameters
again. This is what the following series of 6 patches do.
Most don't really depend on each other, but they'll only apply
cleanly in the order sent.

I did not yet compare our 2.4 blacklist with the 2.6 one; I'll
port our additional 2.4 entries to 2.6 soon.

Regards,
-- 
Kurt Garloff  <garloff@suse.de>                            Cologne, DE 
SUSE LINUX AG, Nuernberg, DE                          SUSE Labs (Head)

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