Commit 97901dca authored by Shuhei Matsumoto's avatar Shuhei Matsumoto Committed by Jim Harris
Browse files

examples/hello_blob: Use spdk_bdev_create_bs_dev_ext() to pass bdev_name 



Signed-off-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Change-Id: I932d46fc4c8e6d2de0e8f92c0c8a7965032ccb17
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/4703


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarAleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
parent 2e0dafb3

examples/blob/hello_world/hello_blob.c

+17 −16
Original line number Diff line number Diff line
@@ -39,6 +39,7 @@ 
#include "spdk/blob_bdev.h"

#include "spdk/blob.h"

#include "spdk/log.h"

#include "spdk/string.h"



/*

 * We'll use this struct to gather housekeeping hello_context to pass between
@@ -393,6 +394,13 @@ bs_init_complete(void *cb_arg, struct spdk_blob_store *bs, 
	create_blob(hello_context);

}



static void

base_bdev_event_cb(enum spdk_bdev_event_type type, struct spdk_bdev *bdev,

		   void *event_ctx)

{

	SPDK_WARNLOG("Unsupported bdev event: type %d\n", type);

}



/*

 * Our initial event that kicks off everything from main().

 */
@@ -400,24 +408,16 @@ static void 
hello_start(void *arg1)

{

	struct hello_context_t *hello_context = arg1;

	struct spdk_bdev *bdev = NULL;

	struct spdk_bs_dev *bs_dev = NULL;

	int rc;



	SPDK_NOTICELOG("entry\n");

	/*

	 * Get the bdev. For this example it is our malloc (RAM)

	 * disk configured via hello_blob.conf that was passed

	 * in when we started the SPDK app framework so we can

	 * get it via its name.

	 */

	bdev = spdk_bdev_get_by_name("Malloc0");

	if (bdev == NULL) {

		SPDK_ERRLOG("Could not find a bdev\n");

		spdk_app_stop(-1);

		return;

	}



	/*

	 * In this example, use our malloc (RAM) disk configured via

	 * hello_blob.conf that was passed in when we started the

	 * SPDK app framework.

	 *

	 * spdk_bs_init() requires us to fill out the structure

	 * spdk_bs_dev with a set of callbacks. These callbacks

	 * implement read, write, and other operations on the
@@ -430,9 +430,10 @@ hello_start(void *arg1) 
	 * However blobstore can be more tightly integrated into

	 * any lower layer, such as NVMe for example.

	 */

	bs_dev = spdk_bdev_create_bs_dev(bdev, NULL, NULL);

	if (bs_dev == NULL) {

		SPDK_ERRLOG("Could not create blob bdev!!\n");

	rc = spdk_bdev_create_bs_dev_ext("Malloc0", base_bdev_event_cb, NULL, &bs_dev);

	if (rc != 0) {

		SPDK_ERRLOG("Could not create blob bdev, %s!!\n",

			    spdk_strerror(-rc));

		spdk_app_stop(-1);

		return;

	}