commit 0cf102b70348a79c0b38f7d1a6b70a25ae90db83
author Bart Van Assche <bvanassche@google.com> Thu Feb 01 10:46:04 2024 -0800
committer Bart Van Assche <bvanassche@google.com> Thu Feb 01 10:52:13 2024 -0800
tree 6b67dd4e8b617ae0201fad0edf982d836ee0f570
parent 942b213628257bd022d37257815190b9dd229cc9

Restore I/O priority support

CL aosp/2929791 removed I/O priority support to prepare for a clean
revert of the CL that migrates the blkio controller from the v1 to the
v2 cgroup hierarchy. Since there was no other reason to revert the I/O
priority CL, restore I/O priority support.

Bug: 186902601
Change-Id: I1a4053140ab55973878bfeacfb546da3c601a895
Signed-off-by: Bart Van Assche <bvanassche@google.com>

rootdir/init.rc

diff --git a/rootdir/init.rc b/rootdir/init.rc
index 4c07c83..0646d14 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -247,6 +247,7 @@
     write /dev/blkio/background/blkio.bfq.weight 10
     write /dev/blkio/blkio.group_idle 0
     write /dev/blkio/background/blkio.group_idle 0
+    write /dev/blkio/background/blkio.prio.class restrict-to-be
 
     restorecon_recursive /mnt