From db5eea5a79b98a2b889f15dc21a5e0b57859b86b Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 23 May 2012 03:51:48 +0200
Subject: [PATCH] readahead: disable collect/replay during system updates

---
 .../system-update-generator.c                       | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/src/system-update-generator/system-update-generator.c b/src/system-update-generator/system-update-generator.c
index abda5a01..d148550e 100644
--- a/src/system-update-generator/system-update-generator.c
+++ b/src/system-update-generator/system-update-generator.c
@@ -60,6 +60,19 @@ static int generate_symlink(void) {
 
         free(p);
 
+        /* Also try to disable readahead, but don't try too hard */
+        p = strappend(arg_dest, "/systemd-readahead-collect.service");
+        if (p) {
+                symlink("/dev/null", p);
+                free(p);
+        }
+
+        p = strappend(arg_dest, "/systemd-readahead-replay.service");
+        if (p) {
+                symlink("/dev/null", p);
+                free(p);
+        }
+
         return 0;
 }
 
-- 
2.39.5