Messages in this thread | | | Subject | Re: next bio iters break discard? | From | "Martin K. Petersen" <> | Date | Tue, 14 Jan 2014 15:17:32 -0500 |
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>>>>> "Kent" == Kent Overstreet <kmo@daterainc.com> writes:
>> IOW, DISCARD, WRITE SAME and the impending COPY requests do not have >> a 1:1 mapping between the block range worked on and the size of any >> bvecs attached. Your recent changes must have changed the way we >> handled that in the past.
Kent> Yeah - but with WRITE_SAME bios, wouldn't we at least have to Kent> check that they're writing the same data to merge them?
We do. Check blk_write_same_mergeable().
-- Martin K. Petersen Oracle Linux Engineering
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