From: Hannes Reinecke <hare@suse.de>
Date: Thu, 20 Mar 2008 22:53:48 +0000 (+0100)
Subject: [libmultipath] Update discovery to work with new sysfs layout
X-Git-Tag: 0.4.9~237
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=88f88d11ecee7d753e9b43d67001d58c56789eb1;p=platform%2Fupstream%2Fmultipath-tools.git

[libmultipath] Update discovery to work with new sysfs layout

With the new sysfs layout the parent device of a block device
it 'block', and only the parent of this is the 'real' parent.
---

diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
index a85a248..30c36e5 100644
--- a/libmultipath/discovery.c
+++ b/libmultipath/discovery.c
@@ -550,6 +550,9 @@ sysfs_pathinfo(struct path * pp)
 	if (!parent)
 		parent = pp->sysdev;
 
+	if (!strncmp(parent->kernel, "block",5))
+		parent = sysfs_device_get_parent(parent);
+
 	condlog(3, "%s: subsystem = %s", pp->dev, parent->subsystem);
 
 	if (!strncmp(parent->subsystem, "scsi",4))