device-mapper-multipath/mpath_wait.patch

diff --git a/multipath/Makefile b/multipath/Makefile
index e0031a2..fe377d8 100644
--- a/multipath/Makefile
+++ b/multipath/Makefile
@@ -20,7 +20,7 @@ $(EXEC): $(OBJS)
 
 install:
 	$(INSTALL_PROGRAM) -d $(DESTDIR)$(bindir)
-	$(INSTALL_PROGRAM) -m 755 $(EXEC) $(DESTDIR)$(bindir)/
+	$(INSTALL_PROGRAM) -m 755 $(EXEC) mpath_wait $(DESTDIR)$(bindir)/
 	$(INSTALL_PROGRAM) -d $(DESTDIR)/etc/udev/rules.d
 	$(INSTALL_PROGRAM) -m 644 multipath.rules $(DESTDIR)/etc/udev/rules.d/
 	$(INSTALL_PROGRAM) -d $(DESTDIR)$(mandir)
@@ -31,6 +31,7 @@ install:
 uninstall:
 	rm $(DESTDIR)/etc/udev/rules.d/multipath.rules
 	rm $(DESTDIR)$(bindir)/$(EXEC)
+	rm $(DESTDIR)$(bindir)/mpath_wait
 	rm $(DESTDIR)$(mandir)/$(EXEC).8.gz
 	rm $(DESTDIR)$(man5dir)/$(EXEC).conf.5.gz
 
diff --git a/multipath/mpath_wait b/multipath/mpath_wait
new file mode 100644
index 0000000..d4047cc
--- /dev/null
+++ b/multipath/mpath_wait
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+retry=3
+sec=1
+
+/sbin/dmsetup info -c --noheadings -j $1 -m $2 2> /dev/null | grep -q .*:${1}:${2}:L.*:.*:.*:.*:.*
+ret=$?
+
+while [ "$ret" -ne 0 -a "$retry" -gt 0 ]
+do
+        sleep $sec
+        /sbin/dmsetup info -c --noheadings -j $1 -m $2 2> /dev/null | grep -q .*:${1}:${2}:L.*:.*:.*:.*:.*
+        ret=$?
+        retry=$(($retry - 1))
+done
+
+exit $ret