Re: [PATCH 1 of 3] block: Export I/O hints for block devices and partitions

["Martin K. Petersen" <martin.petersen@xxxxxxxxxx>]

>>>>> "James" == James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx> writes:

James> Something like

James> enum disk_hint { DISK_HINT_OFFSET, DISK_HINT_BLOCK,
James> DISK_HINT_LEN, };

Fine by me.  I'll look into that.


James> I'm also not entirely sure that zero should be the no-hint
James> value, but I could be persuaded on that because I can't see a
James> case where setting zero to mean I'm telling you I definitely
James> don't care should be different from not setting it.

Yeah, I couldn't come up with a valid reason for any of these values
to be 0.  That's why I made them unsigned.

-- 
Martin K. Petersen	Oracle Linux Engineering

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