From 05b79aaa9dde30d4f179303a81084b59898406b6 Mon Sep 17 00:00:00 2001
From: Peter Rajnoha <prajnoha@redhat.com>
Date: Mon, 25 Nov 2013 14:38:00 +0100
Subject: [PATCH] lvm: do not run pvscan for lvmetad update

The lvmetad daemon is not yet running in initramfs so there's no
need to run pvscan (or instantiate any lvm2-pvscan systemd service).
If pvscan was called in this case (either directly or via systemd
instantiated service), it would fail because there's no lvmetad
daemon to update. This could cause confusion, especially in systemd
instantiated service which is run only once!
---
 modules.d/90lvm/module-setup.sh | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/modules.d/90lvm/module-setup.sh b/modules.d/90lvm/module-setup.sh
index f1c19a2..7e3d44f 100755
--- a/modules.d/90lvm/module-setup.sh
+++ b/modules.d/90lvm/module-setup.sh
@@ -74,6 +74,16 @@ install() {
     fi
 
     inst_rules 11-dm-lvm.rules 69-dm-lvm-metad.rules
+
+    # Do not run lvmetad update via pvscan in udev rule  - lvmetad is not running yet in dracut!
+    if grep -q SYSTEMD_WANTS ${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules; then
+        sed -i -e 's/^ENV{SYSTEMD_ALIAS}=.*/# No LVM pvscan in dracut - lvmetad is not running yet/' ${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules
+        sed -i -e 's/^ENV{ID_MODEL}=.*//' ${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules
+        sed -i -e 's/^ENV{SYSTEMD_WANTS}=.*//' ${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules
+    else
+        sed -i -e 's/.*lvm pvscan.*/# No LVM pvscan for in dracut - lvmetad is not running yet/' ${initdir}/lib/udev/rules.d/69-dm-lvm-metad.rules
+    fi
+
     # Gentoo ebuild for LVM2 prior to 2.02.63-r1 doesn't install above rules
     # files, but provides the one below:
     inst_rules 64-device-mapper.rules