Commit 81b4f2fe authored by Yao Liu's avatar Yao Liu Committed by Tomasz Zawadzki
Browse files

bdev/uring: add support for bdev_uring_get_spdk_running_config() 



Signed-off-by: default avatarYao Liu <yotta.liu@ucloud.cn>
Change-Id: If86ef2dad60260b5261fc05d075625dfa2ed0340
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/474178


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: default avatarJim Harris <james.r.harris@intel.com>
Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
parent e475586b

module/bdev/uring/bdev_uring.c

+30 −1
Original line number Diff line number Diff line
@@ -77,6 +77,7 @@ struct bdev_uring { 
static int bdev_uring_init(void);

static void bdev_uring_fini(void);

static void uring_free_bdev(struct bdev_uring *uring);

static void bdev_uring_get_spdk_running_config(FILE *fp);

static TAILQ_HEAD(, bdev_uring) g_uring_bdev_head;



#define SPDK_URING_QUEUE_DEPTH 512
@@ -92,7 +93,7 @@ static struct spdk_bdev_module uring_if = { 
	.name		= "uring",

	.module_init	= bdev_uring_init,

	.module_fini	= bdev_uring_fini,

	.config_text	= NULL,

	.config_text	= bdev_uring_get_spdk_running_config,

	.get_ctx_size	= bdev_uring_get_ctx_size,

};
@@ -609,4 +610,32 @@ bdev_uring_fini(void) 
	spdk_io_device_unregister(&uring_if, NULL);

}



static void

bdev_uring_get_spdk_running_config(FILE *fp)

{

	char *file;

	char *name;

	uint32_t block_size;

	struct bdev_uring *uring;



	fprintf(fp,

		"\n"

		"# Users must change this section to match the /dev/sdX devices to be\n"

		"# exported as iSCSI LUNs. The devices are accessed using io_uring.\n"

		"# The format is:\n"

		"# URING <file name> <bdev name> [<block size>]\n"

		"# The file name is the backing device\n"

		"# The bdev name can be referenced from elsewhere in the configuration file.\n"

		"# Block size may be omitted to automatically detect the block size of a bdev.\n"

		"[URING]\n");



	TAILQ_FOREACH(uring, &g_uring_bdev_head, link) {

		file = uring->filename;

		name = uring->bdev.name;

		block_size = uring->bdev.blocklen;

		fprintf(fp, "  URING %s %s %d\n", file, name, block_size);

	}

	fprintf(fp, "\n");

}



SPDK_LOG_REGISTER_COMPONENT("uring", SPDK_LOG_URING)