On Mon, Jan 11, 2021 at 07:09:52PM +0100, Klaus Jensen wrote: > From: Klaus Jensen <k.jen...@samsung.com> > > The device uses the BDRV_BLOCK_ZERO flag to determine the "deallocated" > status of logical blocks. Since the zoned namespaces command set > specification defines that logical blocks SHALL be marked as deallocated > when the zone is in the Empty or Offline states, DULBE can only be > supported if the zone size is a multiple of the calculated deallocation > granularity (reported in NPDG) which depends on the underlying block > device cluster size (if applicable) or the configured > discard_granularity. > > Signed-off-by: Klaus Jensen <k.jen...@samsung.com>
Looks good. Reviewed-by: Keith Busch <kbu...@kernel.org>