X-Git-Url: http://pileus.org/git/?a=blobdiff_plain;f=block%2Fblk-cgroup.c;h=cafcd743118969daec377f52f09e41594d188347;hb=f474af7051212b4efc8267583fad9c4ebf33ccff;hp=f3b44a65fc7ad5f127bee8bcbadf5b486a7e5c71;hpb=11be4bc6a1ee7a824237e63b59d228956aa8c2a7;p=~andy%2Flinux

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index f3b44a65fc7..cafcd743118 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -737,6 +737,14 @@ struct cgroup_subsys blkio_subsys = {
 	.subsys_id = blkio_subsys_id,
 	.base_cftypes = blkcg_files,
 	.module = THIS_MODULE,
+
+	/*
+	 * blkio subsystem is utterly broken in terms of hierarchy support.
+	 * It treats all cgroups equally regardless of where they're
+	 * located in the hierarchy - all cgroups are treated as if they're
+	 * right below the root.  Fix it and remove the following.
+	 */
+	.broken_hierarchy = true,
 };
 EXPORT_SYMBOL_GPL(blkio_subsys);