Initial commit

1 files changed, 25 insertions, 0 deletions

diff --git a/lvm2_hook b/lvm2_hook
new file mode 100644
index 000000000000..3c28d67ffb97
--- /dev/null
+++ b/lvm2_hook
@@ -0,0 +1,25 @@
+#!/usr/bin/ash
+
+run_earlyhook() {
+    mkdir /run/lvm
+    lvmetad
+}
+
+# We are suffering a race condition in non-systemd initramfs: If lvmetad is
+# killed before pvscan processes finish we have stale processes and
+# uninitialized physical volumes. So wait for pvscan processes to finish.
+# Break after 10 seconds (50*0.2s) to avaid infinite loop.
+run_latehook() {
+    local i=50
+
+    while pgrep -f pvscan >/dev/null 2>/dev/null && [ $i -gt 0 ]; do
+        sleep 0.2
+        i=$((i - 1))
+    done
+}
+
+run_cleanuphook() {
+    kill $(cat /run/lvmetad.pid)
+}
+
+# vim: set ft=sh ts=4 sw=4 et: