Snap for 4963392 from f04d2689c2fad0976cd52e47906cd72cf69762f8 to pi-b4s4-release

Change-Id: I8b37282b48e5cb337471f12435be92ad027ce4ce
diff --git a/init-taimen.rc b/init-taimen.rc
index 14c5fc0..e80d49f 100644
--- a/init-taimen.rc
+++ b/init-taimen.rc
@@ -15,14 +15,14 @@
 
 on property:sys.boot_completed=1
     # end boot time fs tune
-    write /sys/block/sda/queue/read_ahead_kb 1024
+    write /sys/block/sda/queue/read_ahead_kb 128
     write /sys/block/sda/queue/nr_requests 128
     write /sys/block/sda/queue/iostats 1
-    write /sys/block/sde/queue/read_ahead_kb 1024
+    write /sys/block/sde/queue/read_ahead_kb 128
     write /sys/block/sde/queue/nr_requests 128
     write /sys/block/sde/queue/iostats 1
-    write /sys/block/dm-0/queue/read_ahead_kb 512
-    write /sys/block/dm-1/queue/read_ahead_kb 512
+    write /sys/block/dm-0/queue/read_ahead_kb 128
+    write /sys/block/dm-1/queue/read_ahead_kb 128
 
 on boot
     # Allow ftm4 autotune from adb shell