Re: [PATCH 14/22] ncr5380: Add MAX_LUN limit

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On Mon, 14 Mar 2016, Christoph Hellwig wrote:

On Mon, Mar 14, 2016 at 03:27:14PM +1100, Finn Thain wrote:
The driver has a limit of eight LUs because of the byte-sized bitfield
that is used for busy flags. Reject commands with LUN > 7.

Please just set the max_lun parameter in the host template, which will 
take care of this.

The reason I didn't do that initially was that I could not convince myself 
that all command submission paths would enforce the shost->max_lun limit. 
But I'll take your word for it.

I don't think the host template is the right place for this (there are 
about ten of these that would need to be changed anyway) because 
scsi_host_alloc() assigns shost->max_lun = 8. So I'll add the 
instance->max_lun = 7 assignment to NCR5380_init().

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