1 files changed, 23 insertions, 0 deletions
diff --git a/core/lvm2/lvm2_hook b/core/lvm2/lvm2_hook
new file mode 100644
index 000000000..d6d1c1f94
--- /dev/null
+++ b/core/lvm2/lvm2_hook
@@ -0,0 +1,23 @@
+# vim:set ft=sh:
+run_hook ()
+{
+    /sbin/modprobe -q dm-mod >/dev/null 2>&1
+    if [ -e "/sys/class/misc/device-mapper" ]; then
+        if [ ! -e "/dev/mapper/control" ]; then
+            /bin/mknod "/dev/mapper/control" c $(cat /sys/class/misc/device-mapper/dev | sed 's|:| |')
+        fi
+
+        # If the lvmwait= parameter has been specified on the command line
+        # wait for the device(s) before trying to activate the volume group(s)
+        if [ -n "${lvmwait}" ]; then
+            for pvdev in $(echo ${lvmwait} | sed 's|,| |g'); do
+                poll_device ${pvdev} ${rootdelay}
+            done
+        fi
+
+        [ "${quiet}" = "y" ] && LVMQUIET=">/dev/null"
+
+        msg "Activating logical volumes..."
+        eval /sbin/lvm vgchange --sysinit -a y $LVMQUIET
+    fi
+}