diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-cgroup.c | 4 | ||||
| -rw-r--r-- | block/cfq-iosched.c | 2 |
2 files changed, 3 insertions, 3 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 1fa2654db0a6..e7dbbaf5fb3e 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -147,16 +147,16 @@ blkiocg_weight_write(struct cgroup *cgroup, struct cftype *cftype, u64 val) return -EINVAL; blkcg = cgroup_to_blkio_cgroup(cgroup); + spin_lock(&blkio_list_lock); spin_lock_irq(&blkcg->lock); blkcg->weight = (unsigned int)val; hlist_for_each_entry(blkg, n, &blkcg->blkg_list, blkcg_node) { - spin_lock(&blkio_list_lock); list_for_each_entry(blkiop, &blkio_list, list) blkiop->ops.blkio_update_group_weight_fn(blkg, blkcg->weight); - spin_unlock(&blkio_list_lock); } spin_unlock_irq(&blkcg->lock); + spin_unlock(&blkio_list_lock); return 0; } diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index ee130f14d1fc..17b768d0d42f 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -1803,7 +1803,7 @@ static bool cfq_should_idle(struct cfq_data *cfqd, struct cfq_queue *cfqq) * Otherwise, we do only if they are the last ones * in their service tree. */ - return service_tree->count == 1; + return service_tree->count == 1 && cfq_cfqq_sync(cfqq); } static void cfq_arm_slice_timer(struct cfq_data *cfqd) |