File support-drbd-filter.diff of Package lvm2.631

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File support-drbd-filter.diff of Package lvm2.631

This is still very primitive support of drbd in lvm2.
Can we use some /sys information for this ?
---
 lib/cache/lvmcache.c |   14 ++++++++++++++
 lib/filters/filter.c |    7 +++++++
 2 files changed, 21 insertions(+)

--- LVM2.2.02.98.orig/lib/cache/lvmcache.c
+++ LVM2.2.02.98/lib/cache/lvmcache.c
@@ -1489,6 +1489,14 @@ struct lvmcache_info *lvmcache_add(struc
 						 dev_subsystem_name(existing->dev),
 						 dev_name(existing->dev));
 				return NULL;
+			} else if (MAJOR(existing->dev->dev) == drbd_major() &&
+					MAJOR(dev->dev) != drbd_major()) {
+				log_very_verbose("Ignoring duplicate PV %s on "
+						"%s - using drbd %s",
+						pvid, dev_name(dev),
+						dev_name(existing->dev));
+				return NULL;
+
 			} else if (dm_is_dm_major(MAJOR(existing->dev->dev)) &&
 				   !dm_is_dm_major(MAJOR(dev->dev))) {
 				log_very_verbose("Ignoring duplicate PV %s on "
@@ -1509,6 +1517,12 @@ struct lvmcache_info *lvmcache_add(struc
 						 "using dm %s", pvid,
 						 dev_name(existing->dev),
 						 dev_name(dev));
+			else if (MAJOR(existing->dev->dev) != drbd_major() &&
+					MAJOR(dev->dev) == drbd_major())
+				log_very_verbose("Duplicate PV %s on %s - "
+						"using drbd %s", pvid,
+						dev_name(existing->dev),
+						dev_name(dev));
 			/* FIXME If both dm, check dependencies */
 			//else if (dm_is_dm_major(MAJOR(existing->dev->dev)) &&
 				 //dm_is_dm_major(MAJOR(dev->dev)))
--- LVM2.2.02.98.orig/lib/filters/filter.c
+++ LVM2.2.02.98/lib/filters/filter.c
@@ -60,6 +60,13 @@ int md_major(void)
 	return _md_major;
 }
 
+/* FIXME: Should we consider filter out non-primary
+   drbd resource ?? */
+int drbd_major(void)
+{
+       return _drbd_major;
+}
+
 int blkext_major(void)
 {
 	return _blkext_major;

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File support-drbd-filter.diff of Package lvm2.631

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