From 69a67c2ed09ae51b53de402966a9f7a4cc737715 Mon Sep 17 00:00:00 2001
From: Benjamin Marzinski <bmarzins@redhat.com>
Date: Wed, 2 Jul 2014 12:49:53 -0500
Subject: [PATCH 03/14] RH: Remove the property blacklist exception builtin

Multipath set the default property blacklist exceptions to
(ID_SCSI_VPD|ID_WWN).  This has the effect of blacklisting some internal
devices.  These devices may never have multiple paths, but it is nice
to be able to set multipath up on them all the same.  This patch simply
removes the default, and makes it so that if no property
blacklist_exception is given, then devices aren't failed for not matching
it.

Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
 libmultipath/blacklist.c   | 15 ++++++---------
 multipath/multipath.conf.5 |  4 ----
 2 files changed, 6 insertions(+), 13 deletions(-)

diff --git a/libmultipath/blacklist.c b/libmultipath/blacklist.c
index ee396e2..19d4697 100644
--- a/libmultipath/blacklist.c
+++ b/libmultipath/blacklist.c
@@ -181,12 +181,6 @@ setup_default_blist (struct config * conf)
 	if (store_ble(conf->blist_devnode, str, ORIGIN_DEFAULT))
 		return 1;
 
-	str = STRDUP("(SCSI_IDENT_|ID_WWN)");
-	if (!str)
-		return 1;
-	if (store_ble(conf->elist_property, str, ORIGIN_DEFAULT))
-		return 1;
-
 	vector_foreach_slot (conf->hwtable, hwe, i) {
 		if (hwe->bl_product) {
 			if (_blacklist_device(conf->blist_device, hwe->vendor,
@@ -390,9 +384,12 @@ filter_property(struct config * conf, struct udev_device * udev)
 	 * This is the inverse of the 'normal' matching;
 	 * the environment variable _has_ to match.
 	 */
-	log_filter(devname, NULL, NULL, NULL, NULL,
-		   MATCH_PROPERTY_BLIST_MISSING);
-	return MATCH_PROPERTY_BLIST_MISSING;
+	if (VECTOR_SIZE(conf->elist_property)) {
+		log_filter(devname, NULL, NULL, NULL, NULL,
+			   MATCH_PROPERTY_BLIST_MISSING);
+		return MATCH_PROPERTY_BLIST_MISSING;
+	}
+	return 0;
 }
 
 void
diff --git a/multipath/multipath.conf.5 b/multipath/multipath.conf.5
index f04ff19..fbbbb27 100644
--- a/multipath/multipath.conf.5
+++ b/multipath/multipath.conf.5
@@ -1014,10 +1014,6 @@ The \fIWorld Wide Identification\fR of a device.
 .TP
 .B property
 Regular expression of the udev property to be whitelisted.
-.RS
-.TP
-The default is: \fB(SCSI_IDENT_|ID_WWN)\fR
-.RE
 .TP
 .B device
 Subsection for the device description. This subsection recognizes the
-- 
2.8.1

