{
struct blkcg *blkcg = cgroup_to_blkcg(cgroup);
struct blkcg_gq *blkg;
- struct hlist_node *n;
int i;
mutex_lock(&blkcg_pol_mutex);
* stat updates. This is a debug feature which shouldn't exist
* anyway. If you get hit by a race, retry.
*/
- hlist_for_each_entry(blkg, n, &blkcg->blkg_list, blkcg_node) {
+ hlist_for_each_entry(blkg, &blkcg->blkg_list, blkcg_node) {
for (i = 0; i < BLKCG_MAX_POLS; i++) {
struct blkcg_policy *pol = blkcg_policy[i];
bool show_total)
{
struct blkcg_gq *blkg;
- struct hlist_node *n;
u64 total = 0;
rcu_read_lock();
- hlist_for_each_entry_rcu(blkg, n, &blkcg->blkg_list, blkcg_node) {
+ hlist_for_each_entry_rcu(blkg, &blkcg->blkg_list, blkcg_node) {
spin_lock_irq(blkg->q->queue_lock);
if (blkcg_policy_enabled(blkg->q, pol))
total += prfill(sf, blkg->pd[pol->plid], data);