dm snapshot: use merge origin if snapshot invalid

[safe/jmp/linux-2.6] / drivers / md / multipath.h

diff --git a/drivers/md/multipath.h b/drivers/md/multipath.h
index 6fa70b4..d1c2a8d 100644 (file)
--- a/drivers/md/multipath.h
+++ b/drivers/md/multipath.h
@@ -19,12 +19,6 @@ struct multipath_private_data {
 typedef struct multipath_private_data multipath_conf_t;
 
 /*
- * this is the only point in the RAID code where we violate
- * C type safety. mddev->private is an 'opaque' pointer.
- */
-#define mddev_to_conf(mddev) ((multipath_conf_t *) mddev->private)
-
-/*
  * this is our 'private' 'collective' MULTIPATH buffer head.
  * it contains information about what kind of IO operations were started
  * for this MULTIPATH operation, and about their status: