Kernel patches...

Kernel patches...

Post by Rusty Trivial Russel » Sat, 07 Dec 2002 06:00:13




  >Yes agreed, a hdX=multilun is what I'm after.
  >
  >  
  >
  >>This works for me, no dice on getting me to bite on this whopper.
  >>    
  >>
  >
  >I'm sure woody will supply such a patch :)
  >
  >  
  >
  OK, so here is the new patch.
  It takes advantage of hdXlun, so no changes to the config files are needed.
  By default keeps IDE LUN at zero, unless hdXlun=n specified on command line.
  Compiles with 2.4.20.

  Thanks, Woody

--- trivial-2.5-bk/drivers/scsi/ide-scsi.c.orig 2002-12-06 13:56:56.000000000 +1100

        if(host == NULL)
                return 0;

-       for (id = 0; id < MAX_HWIFS * MAX_DRIVES && idescsi_drives[id]; id++)
-               last_lun = IDE_MAX(last_lun, idescsi_drives[id]->last_lun);
+/*
+ * by default do not trust multiple LUN support on IDE devices.
+ * Too many broken IDE controllers respond to LUN != 0
+ * To reenable this feature, specify "hdxlun=n" on the command line.
+ */
+       for (id = 0; id < MAX_HWIFS * MAX_DRIVES && idescsi_drives[id]; id++) {
+               if (idescsi_drives[id]->forced_lun)
+                       last_lun = IDE_MAX(last_lun, idescsi_drives[id]->last_lun);
+               else
+                       last_lun = 0;
+       }
        host->max_id = id;
        host->max_lun = last_lun + 1;
        host->can_queue = host->cmd_per_lun * id;
--
  Don't blame me: the Monkey is driving

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Kernel patches...

Post by Alan Co » Sat, 07 Dec 2002 14:50:09


  OK, so here is the new patch.
  It takes advantage of hdXlun, so no changes to the config files are
needed.
  By default keeps IDE LUN at zero, unless hdXlun=n specified on command
line.
  Compiles with 2.4.20.

Rejected

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