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-rw-r--r--rootdir/init.rc8
1 files changed, 7 insertions, 1 deletions
diff --git a/rootdir/init.rc b/rootdir/init.rc
index cb45c42f8..1b7367c46 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -80,7 +80,9 @@ on init
chmod 0664 /dev/stune/top-app/tasks
chmod 0664 /dev/stune/rt/tasks
- # Create blkio tuning nodes
+ # Create blkio group and apply initial settings.
+ # This feature needs kernel to support it, and the
+ # device's init.rc must actually set the correct values.
mkdir /dev/blkio/background
chown system system /dev/blkio
chown system system /dev/blkio/background
@@ -88,6 +90,10 @@ on init
chown system system /dev/blkio/background/tasks
chmod 0664 /dev/blkio/tasks
chmod 0664 /dev/blkio/background/tasks
+ write /dev/blkio/blkio.weight 1000
+ write /dev/blkio/background/blkio.weight 500
+ write /dev/blkio/blkio.group_idle 0
+ write /dev/blkio/background/blkio.group_idle 0
restorecon_recursive /mnt