Commit 81dfe157 authored by Kozlowski Mateusz's avatar Kozlowski Mateusz Committed by Jim Harris
Browse files

FTL: Add calculation of device size 



Signed-off-by: default avatarKozlowski Mateusz <mateusz.kozlowski@intel.com>
Signed-off-by: default avatarArtur Paszkiewicz <artur.paszkiewicz@intel.com>
Change-Id: I1f57ea699d7613f89270f9a47f044d1b85c72b60
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/13330


Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
parent 9dbdb029

lib/ftl/ftl_layout.c

+5 −2
Original line number Diff line number Diff line
@@ -100,9 +100,9 @@ ftl_validate_regions(struct spdk_ftl_dev *dev, struct ftl_layout *layout) 
static uint64_t

get_num_user_lbas(struct spdk_ftl_dev *dev)

{

	uint64_t blocks = 0;

	uint64_t blocks;



	blocks = dev->layout.base.total_blocks;

	blocks = dev->num_bands * ftl_get_num_blocks_in_band(dev);

	blocks = (blocks * (100 - dev->conf.overprovisioning)) / 100;



	return blocks;
@@ -282,6 +282,9 @@ setup_layout_base(struct spdk_ftl_dev *dev) 
	struct ftl_layout *layout = &dev->layout;

	struct ftl_layout_region *region;



	layout->base.num_usable_blocks = ftl_get_num_blocks_in_band(dev);

	layout->base.user_blocks = ftl_band_user_blocks(dev->bands);



	/* Base device layout is following:

	 * - data

	 * - superblock