From 2522b82b1e3909fb63d1fcfc3d39d49475bacabd Mon Sep 17 00:00:00 2001
From: Peter Rajnoha <prajnoha@redhat.com>
Date: Mon, 10 Mar 2014 22:58:14 +0100
Subject: [PATCH] rules: mark loop device as SYSTEMD_READY=0 if no file is
 attached

Check existence of loop/backing_file in sysfs and mark loop devices with
SYSTEMD_READY if missing. Such loop files is uninitialized and it's not
ready for use yet (there's no file attached).

(cherry picked from commit ebc54302d7fc70927d5dc119e178ff03f6a911ed)
(cherry picked from commit 28be65e12016d365783ac9646bf588ec68352b75)
---
 rules/99-systemd.rules.in | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/rules/99-systemd.rules.in b/rules/99-systemd.rules.in
index 1eaf0c1..79a03cd 100644
--- a/rules/99-systemd.rules.in
+++ b/rules/99-systemd.rules.in
@@ -22,6 +22,9 @@ SUBSYSTEM=="block", KERNEL!="ram*", ENV{DM_UUID}=="CRYPT-*", ENV{ID_PART_TABLE_T
 SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", KERNEL=="md*", TEST!="md/array_state", ENV{SYSTEMD_READY}="0"
 SUBSYSTEM=="block", ENV{DEVTYPE}=="disk", KERNEL=="md*", ATTR{md/array_state}=="|clear|inactive", ENV{SYSTEMD_READY}="0"
 
+# Ignore loop devices that don't have any file attached
+SUBSYSTEM=="block", KERNEL=="loop[0-9]*", TEST!="loop/backing_file", ENV{SYSTEMD_READY}="0"
+
 # Ignore nbd devices in the "add" event, with "change" the nbd is ready
 ACTION=="add", SUBSYSTEM=="block", KERNEL=="nbd*", ENV{SYSTEMD_READY}="0"