flo: init: I/O tweaks

Change-Id: I455547d746b53683eac26241541b65d904404bad
(cherry picked from commit 9bcda749ff2ff9bdef0bf36300574ec6e4ea857f)

rootdir/etc/init.flo.rc

@@ -22,6 +22,8 @@ on early-init
     chown system system /sys/kernel/debug/kgsl/proc
     symlink /data/tombstones /tombstones
     write /sys/devices/virtual/graphics/fb0/rgb "32768 32768 32768"
+    write /sys/block/mmcblk0/bdi/read_ahead_kb 512
+    write /sys/block/mmcblk0/queue/scheduler noop
 
 on init
     # Set permissions for persist partition
@@ -132,6 +134,10 @@ on boot
     # Wifi firmware reload path
     chown wifi wifi /sys/module/wlan/parameters/fwpath
 
+on property:sys.boot_completed=1
+    setprop sys.io.scheduler bfq
+    write /sys/block/mmcblk0/bdi/read_ahead_kb 256
+
 on post-fs
     # Start devices by sysfs trigger
     start devstart_sh