Commit f6d5b9cd authored by Changpeng Liu's avatar Changpeng Liu Committed by Tomasz Zawadzki
Browse files

bdev: introduce unmap attributes to bdev layer 



The backend device module can report such capabilities
to the bdev layer, and we can split unmap request into
multiple children requests in the bdev layer.

Change-Id: I81daf7e58b797a2673ef102f2a037de20771092e
Signed-off-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7515


Community-CI: Broadcom CI
Community-CI: Mellanox Build Bot
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent 518d28db

include/spdk/bdev_module.h

+6 −0
Original line number Diff line number Diff line
@@ -343,6 +343,12 @@ struct spdk_bdev { 
	/* Maximum number of segments in a I/O */

	uint32_t max_num_segments;



	/* Maximum unmap in unit of logical block */

	uint32_t max_unmap;



	/* Maximum unmap block segments */

	uint32_t max_unmap_segments;



	/**

	 * UUID for this bdev.

	 *