Commit b579d6fd authored by Luis Chamberlain's avatar Luis Chamberlain Committed by Keith Busch
Browse files

nvmet: propagate npwg topology 



Ensure we propagate npwg to the target as well instead
of assuming its the same logical blocks per physical block.

This ensures devices with large IUs information properly
propagated on the target.

Signed-off-by: default avatarLuis Chamberlain <mcgrof@kernel.org>
Reviewed-by: default avatarSagi Grimberg <sagi@grimberg.me>
Signed-off-by: default avatarKeith Busch <kbusch@kernel.org>
parent 4db3d750

drivers/nvme/target/io-cmd-bdev.c

+1 −1
Original line number Diff line number Diff line
@@ -36,7 +36,7 @@ void nvmet_bdev_set_limits(struct block_device *bdev, struct nvme_id_ns *id) 
	 */

	id->nsfeat |= 1 << 4;

	/* NPWG = Namespace Preferred Write Granularity. 0's based */

	id->npwg = lpp0b;

	id->npwg = to0based(bdev_io_min(bdev) / bdev_logical_block_size(bdev));

	/* NPWA = Namespace Preferred Write Alignment. 0's based */

	id->npwa = id->npwg;

	/* NPDG = Namespace Preferred Deallocate Granularity. 0's based */