[Drbd-dev] [PATCH 11/25] block: add a REQ_UNMAP flag for REQ_OP_WRITE_ZEROES

[Martin K. Petersen]

Christoph Hellwig <hch at lst.de> writes:

> If this flag is set logical provisioning capable device should
> release space for the zeroed blocks if possible, if it is not set
> devices should keep the blocks anchored.
>
> Also remove an out of sync kerneldoc comment for a static function
> that would have become even more out of data with this change.

Reviewed-by: Martin K. Petersen <martin.petersen at oracle.com>

-- 
Martin K. Petersen	Oracle Linux Engineering