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bdev/null: add JSON config dump

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Change-Id: I491df77bd451e8dc60bdaee3b72ad20c1b852e86
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/401218
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: Daniel Verkamp <daniel.verkamp@intel.com>
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
This commit is contained in:
Pawel Wodkowski 2018-02-23 19:16:11 +01:00 committed by Jim Harris
parent 856a96a7a9
commit 010af134ec
1 changed files with 18 additions and 0 deletions
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18
lib/bdev/null/bdev_null.c
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@ -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 *