Commit 010af134 authored by Pawel Wodkowski's avatar Pawel Wodkowski Committed by Jim Harris
Browse files

bdev/null: add JSON config dump 



Change-Id: I491df77bd451e8dc60bdaee3b72ad20c1b852e86
Signed-off-by: default avatarPawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/401218


Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatarDaniel Verkamp <daniel.verkamp@intel.com>
Tested-by: default avatarSPDK Automated Test System <sys_sgsw@intel.com>
parent 856a96a7

lib/bdev/null/bdev_null.c

+18 −0
Original line number Diff line number Diff line
@@ -37,6 +37,7 @@ 
#include "spdk/conf.h"

#include "spdk/env.h"

#include "spdk/io_channel.h"

#include "spdk/json.h"



#include "spdk_internal/bdev.h"

#include "spdk_internal/log.h"
@@ -130,11 +131,28 @@ bdev_null_get_io_channel(void *ctx) 
	return spdk_get_io_channel(&g_null_bdev_head);

}



static void

bdev_null_write_config_json(struct spdk_bdev *bdev, struct spdk_json_write_ctx *w)

{

	spdk_json_write_object_begin(w);



	spdk_json_write_named_string(w, "method", "construct_null_bdev");



	spdk_json_write_named_object_begin(w, "params");

	spdk_json_write_named_string(w, "name", bdev->name);

	spdk_json_write_named_uint64(w, "num_blocks", bdev->blockcnt);

	spdk_json_write_named_uint32(w, "block_size", bdev->blocklen);

	spdk_json_write_object_end(w);



	spdk_json_write_object_end(w);

}



static const struct spdk_bdev_fn_table null_fn_table = {

	.destruct		= bdev_null_destruct,

	.submit_request		= bdev_null_submit_request,

	.io_type_supported	= bdev_null_io_type_supported,

	.get_io_channel		= bdev_null_get_io_channel,

	.write_config_json	= bdev_null_write_config_json,

};



struct spdk_bdev *