From 85cc748fd055c1990273af778d8ae4c7a69b12c6 Mon Sep 17 00:00:00 2001
From: Daniel Verkamp <daniel.verkamp@intel.com>
Date: Tue, 6 Mar 2018 10:42:54 -0700
Subject: [PATCH] bdev: use claim_module to determine leaf status

A bdev that is claimed is not a leaf, even if it has no vbdevs exposed
currently.

Change-Id: I3b790068128890a569f83b15071ea916c54bff9b
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Reviewed-on: https://review.gerrithub.io/402935
Tested-by: SPDK Automated Test System <sys_sgsw@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
---
 lib/bdev/bdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/bdev/bdev.c b/lib/bdev/bdev.c
index f3c498e5d..b44f645d1 100644
--- a/lib/bdev/bdev.c
+++ b/lib/bdev/bdev.c
@@ -246,7 +246,7 @@ static struct spdk_bdev *
 _bdev_next_leaf(struct spdk_bdev *bdev)
 {
 	while (bdev != NULL) {
-		if (TAILQ_EMPTY(&bdev->vbdevs)) {
+		if (bdev->claim_module == NULL) {
 			return bdev;
 		} else {
 			bdev = TAILQ_NEXT(bdev, link);