diff options
Diffstat (limited to 'block/blk-cgroup.h')
| -rw-r--r-- | block/blk-cgroup.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index 9df5ab04b6d6..1cb8f7643258 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -116,6 +116,9 @@ struct blkio_cgroup { unsigned int weight; spinlock_t lock; struct hlist_head blkg_list; + + /* for policies to test whether associated blkcg has changed */ + uint64_t id; }; struct blkio_group_stats { |