diff --git a/storage/init.storage.rc b/storage/init.storage.rc
index 9cad2ea..9e4acd4 100644
--- a/storage/init.storage.rc
+++ b/storage/init.storage.rc
@@ -1,3 +1,11 @@
+on init
+    # Make foreground and background I/O priority different. none-to-rt was
+    # introduced in kernel 5.14. promote-to-rt was introduced in kernel 6.5.
+    # Write none-to-rt first and promote-to-rt next to support both older and
+    # newer kernel versions.
+    write /dev/blkio/blkio.prio.class none-to-rt
+    write /dev/blkio/blkio.prio.class promote-to-rt
+
 on property:ro.build.type=userdebug
     write /dev/sys/block/bootdevice/pixel/enable_pixel_ufs_logging 1
     chown system /dev/sg3