Re: [RFC PATCH v2 1/4] block: change REQ_OP_ZONE_RESET from 6 to 13

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On Sat, May 16, 2020 at 08:44:45PM +0800, Coly Li wrote:
> Yes you are right, just like REQ_OP_DISCARD which does not transfer any
> data but changes the data on device. If the request changes the stored
> data, it does transfer data.

REQ_OP_DISCARD is a special case, because most implementation end up
transferring data, it just gets attached in the low-level driver.



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