Commit c1373391 authored by Maciej Szwed's avatar Maciej Szwed Committed by Tomasz Zawadzki
Browse files

bdev: Add spdk_bdev_get_acwu function 



This function is required for NVMf implementation
for compare and write fused command.

Signed-off-by: default avatarMaciej Szwed <maciej.szwed@intel.com>
Change-Id: If41611f5c0b8e4ed8eec66f09858c724f1800d59

Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/477914


Community-CI: Broadcom SPDK FC-NVMe CI <spdk-ci.pdl@broadcom.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarPaul Luse <paul.e.luse@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent 71beb568

CHANGELOG.md

+2 −0
Original line number Diff line number Diff line
@@ -135,6 +135,8 @@ The functions `spdk_reactor_enable_framework_monitor_context_switch()` and 
Added spdk_bdev_io_get_nvme_fused_status function for translating bdev_io status to NVMe status

code for fused compare-and-write operation.



Added spdk_bdev_get_acwu function for getting block device atomic compare and write unit size.



## v19.10:



### rpc

include/spdk/bdev.h

+8 −0
Original line number Diff line number Diff line
@@ -505,6 +505,14 @@ bool spdk_bdev_has_write_cache(const struct spdk_bdev *bdev); 
 */

const struct spdk_uuid *spdk_bdev_get_uuid(const struct spdk_bdev *bdev);



/**

 * Get block device atomic compare and write unit.

 *

 * \param bdev Block device to query.

 * \return Atomic compare and write unit for this bdev in blocks.

 */

uint16_t spdk_bdev_get_acwu(const struct spdk_bdev *bdev);



/**

 * Get block device metadata size.

 *

lib/bdev/bdev.c

+6 −0
Original line number Diff line number Diff line
@@ -2855,6 +2855,12 @@ spdk_bdev_get_uuid(const struct spdk_bdev *bdev) 
	return &bdev->uuid;

}



uint16_t

spdk_bdev_get_acwu(const struct spdk_bdev *bdev)

{

	return bdev->acwu;

}



uint32_t

spdk_bdev_get_md_size(const struct spdk_bdev *bdev)

{