Messages in this thread | | | From | Albert Cahalan <> | Subject | Re: possible SCSI device numbering solution | Date | Thu, 27 Jun 1996 01:58:15 -0400 (EDT) |
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>> The major number is useful for character devices, which can be >> split 12:20. For block devices, a block device is just a block >> device. If you just need a major number to fill some software >> "need", then just make it 0 for all block devices. > > Huh? The major number is the pointer to the driver; this has to be > encoded one way or the other, and it might as well be done uniformly > and efficiently. I'd go for 12:20 if it is deemed enough (which I am > not really sure about), but dropping the major is a ludicrous idea.
If you want consistency, then try this for block devices:
4 type 4 controller 4 bus ---------- 8 device 8 lun 4 partition
That gets you a 12:20 split with enough information in the major.
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