diff options
Diffstat (limited to 'block/blk-cgroup.c')
| -rw-r--r-- | block/blk-cgroup.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index f0605ab..471fdcc 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -114,6 +114,13 @@ struct blkio_cgroup *cgroup_to_blkio_cgroup(struct cgroup *cgroup) } EXPORT_SYMBOL_GPL(cgroup_to_blkio_cgroup); +struct blkio_cgroup *task_blkio_cgroup(struct task_struct *tsk) +{ + return container_of(task_subsys_state(tsk, blkio_subsys_id), + struct blkio_cgroup, css); +} +EXPORT_SYMBOL_GPL(task_blkio_cgroup); + static inline void blkio_update_group_weight(struct blkio_group *blkg, unsigned int weight) { |