From e8e1cd4592a9a9b186359a219f510f2e658e5de8 Mon Sep 17 00:00:00 2001
From: lijie345 <553175351@qq.com>
Date: Sun, 8 Nov 2020 20:38:56 +0800
Subject: [PATCH] add the support for NOF devices

multipath-tools can not take over the NOF devices, so add the support for NOF devices.

Signed-off-by: lijie345 <553175351@qq.com>
---
 libmultipath/discovery.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
index c49848e..144959a 100644
--- a/libmultipath/discovery.c
+++ b/libmultipath/discovery.c
@@ -108,6 +108,16 @@ transport (int h)
 	if ((stat(buff, &a_stat) >= 0) && S_ISDIR(a_stat.st_mode)) {
 		return 0;
 	}
+	memset(buff, 0, PATH_SIZE);
+
+	/* nof device */
+	strcpy(buff, "/sys");
+	strcat(buff, "/class/nvme-fabrics/ctl/");
+	off = strlen(buff);
+	snprintf(buff + off, PATH_SIZE - off, "nvme%d", h);
+	if ((stat(buff, &a_stat) >= 0) && S_ISDIR(a_stat.st_mode)) {
+		return 0;
+	}
 	return 1;
 }
 
-- 
2.29.2.windows.2