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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-18 06:49:02 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-18 06:49:02 -0700 |
| commit | a2b9c1f6208126e6df6c02428c501f8853685812 (patch) | |
| tree | e36762d385bb490914a72485c4da4431e4b937d3 /block/blk-cgroup.c | |
| parent | 2e9521fd656f05a716b5294a7dbebd37ced05e43 (diff) | |
| parent | 3ec717b7ca4ee1d75d77e4f6286430d8f01d1dbd (diff) | |
Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-blocklatest
* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
block: don't delay blk_run_queue_async
scsi: remove performance regression due to async queue run
blk-throttle: Use task_subsys_state() to determine a task's blkio_cgroup
block: rescan partitions on invalidated devices on -ENOMEDIA too
cdrom: always check_disk_change() on open
block: unexport DISK_EVENT_MEDIA_CHANGE for legacy/fringe drivers
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 f0605ab2a761..471fdcc5df85 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) { |