From 18975735984b1245bb4003ec287df002f7c4cf7f Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 23 May 2012 03:50:15 +0200
Subject: [PATCH] readahead: when doing a system update drop readahead file

---
 Makefile.am                                |  1 +
 units/systemd-readahead-collect.service.in |  1 +
 units/systemd-readahead-drop.service       | 18 ++++++++++++++++++
 3 files changed, 20 insertions(+)
 create mode 100644 units/systemd-readahead-drop.service

diff --git a/Makefile.am b/Makefile.am
index d5cf3095f4..65a28983b0 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -2379,6 +2379,7 @@ rootlibexec_PROGRAMS += \
 	systemd-readahead-replay
 
 dist_systemunit_DATA += \
+	units/systemd-readahead-drop.service \
 	units/systemd-readahead-done.timer
 
 nodist_systemunit_DATA += \
diff --git a/units/systemd-readahead-collect.service.in b/units/systemd-readahead-collect.service.in
index 887339c3f3..7fe20d5c5c 100644
--- a/units/systemd-readahead-collect.service.in
+++ b/units/systemd-readahead-collect.service.in
@@ -22,3 +22,4 @@ OOMScoreAdjust=1000
 
 [Install]
 WantedBy=default.target
+Also=systemd-readahead-drop.service
diff --git a/units/systemd-readahead-drop.service b/units/systemd-readahead-drop.service
new file mode 100644
index 0000000000..a9d97d72ab
--- /dev/null
+++ b/units/systemd-readahead-drop.service
@@ -0,0 +1,18 @@
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+[Unit]
+Description=Drop Read-Ahead Data
+ConditionPathExists=/.readahead
+
+[Service]
+Type=oneshot
+ExecStart=/bin/rm -f /.readahead
+
+[Install]
+WantedBy=system-update.target
+Also=systemd-readahead-collect.service