lkml.org 
[lkml]   [2002]   [Jan]   [16]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: SCSI host numbers?
Itai Nahshon writes:
> On Monday 14 January 2002 08:36 am, Richard Gooch wrote:
> > So how about in scsi_host_no_init() we call alloc_unique_number() N
> > times until we've allocated the required number of host numbers for
> > manual control. These will never be freed. Then all other host
> > allocations can be done dynamically. We would just need a flag in the
> > host structure to disable deallocation of the number if it's one of
> > the reserved numbers.
>
> See that dynamic hosts are also added to the list and *never* removed
> from it (even when the host is unregistered). With that behaviour your
> unique number functions would be an overkill because we must never
> free host nubers.
>
> I suggest these changes:
> max_scsi_host initialized in scsi_host_no_init.
> max_scsi_host never decremented.
> That would fix the problem that I reported.

But if you load, unload and reload a host driver, and it's not listed
in scsihosts=, then won't it get a different host number each time?

Regards,

Richard....
Permanent: rgooch@atnf.csiro.au
Current: rgooch@ras.ucalgary.ca
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-03-22 13:23    [from the cache]
©2003-2011 Jasper Spaans