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-rw-r--r--block/blk-cgroup.c1
-rw-r--r--block/blk-throttle.c2
-rw-r--r--block/cfq-iosched.c4
3 files changed, 4 insertions, 3 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index 55512dd..5bcdfc1 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -899,6 +899,7 @@ static int blkcg_print_stat(struct seq_file *sf, void *v)
struct cftype blkcg_files[] = {
{
.name = "stat",
+ .flags = CFTYPE_NOT_ON_ROOT,
.seq_show = blkcg_print_stat,
},
{ } /* terminate */
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index c75a263..2149a1d 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -369,7 +369,7 @@ static void throtl_pd_init(struct blkg_policy_data *pd)
* regardless of the position of the group in the hierarchy.
*/
sq->parent_sq = &td->service_queue;
- if (cgroup_on_dfl(blkg->blkcg->css.cgroup) && blkg->parent)
+ if (cgroup_subsys_on_dfl(io_cgrp_subsys) && blkg->parent)
sq->parent_sq = &blkg_to_tg(blkg->parent)->service_queue;
tg->td = td;
}
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 04de884..1f9093e 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1581,7 +1581,7 @@ static struct blkcg_policy_data *cfq_cpd_alloc(gfp_t gfp)
static void cfq_cpd_init(struct blkcg_policy_data *cpd)
{
struct cfq_group_data *cgd = cpd_to_cfqgd(cpd);
- unsigned int weight = cgroup_on_dfl(blkcg_root.css.cgroup) ?
+ unsigned int weight = cgroup_subsys_on_dfl(io_cgrp_subsys) ?
CGROUP_WEIGHT_DFL : CFQ_WEIGHT_LEGACY_DFL;
if (cpd_to_blkcg(cpd) == &blkcg_root)
@@ -1599,7 +1599,7 @@ static void cfq_cpd_free(struct blkcg_policy_data *cpd)
static void cfq_cpd_bind(struct blkcg_policy_data *cpd)
{
struct blkcg *blkcg = cpd_to_blkcg(cpd);
- bool on_dfl = cgroup_on_dfl(blkcg_root.css.cgroup);
+ bool on_dfl = cgroup_subsys_on_dfl(io_cgrp_subsys);
unsigned int weight = on_dfl ? CGROUP_WEIGHT_DFL : CFQ_WEIGHT_LEGACY_DFL;
if (blkcg == &blkcg_root)
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