Re: [PATCH] scsi: sd: usb_storage: uas: Access media prior to querying device properties

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Hi Alan!

> Do we still claim to support devices that implement only the 6-byte
> commands, not the 10-byte forms?  Or is that now a non-issue?

We have defaulted to 10-byte commands for a long time and the 6-byte
variants are no longer to be found in SCSI SBC-4 and SBC-5. In addition,
most devices now have capacities which exceed what 6-byte commands can
address.

I will not object to adding a fallback to a READ(6) if I receive a bug
report as a result of this change. But I prefer not to perpetuate the
6-byte command special-casing if we can avoid it. Especially if we know
that $OTHER_OS is issuing a READ(10) during discovery.

-- 
Martin K. Petersen	Oracle Linux Engineering




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