John,

> "DIX is supported in mpt3sas , but not by default and hence while
> loading mpt3sas driver set module parameter "prot_mask=0x7F" to enable
> DIX support. "

The plumbing is there but it doesn't work. I tried earlier today and I
still can't get a single I/O to complete. I'll try to hack away at it
tomorrow.

> BTW, on a loosely related topic, in drivers/scsi/sd.h, I noticed that
> the arrays in sd_prot_op() and sd_prot_flag_mask() could be made
> static. In doing so I found sd.o object code shrunk by ~100B.

Will fix, thanks!

-- 
Martin K. Petersen      Oracle Linux Engineering

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