diff options
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-cgroup.c | 13 | ||||
| -rw-r--r-- | block/blk-throttle.c | 6 |
2 files changed, 14 insertions, 5 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 28d227c5ca77..e17da947f6bd 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -928,7 +928,15 @@ struct cgroup_subsys blkio_cgrp_subsys = { .css_offline = blkcg_css_offline, .css_free = blkcg_css_free, .can_attach = blkcg_can_attach, - .base_cftypes = blkcg_files, + .legacy_cftypes = blkcg_files, +#ifdef CONFIG_MEMCG + /* + * This ensures that, if available, memcg is automatically enabled + * together on the default hierarchy so that the owner cgroup can + * be retrieved from writeback pages. + */ + .depends_on = 1 << memory_cgrp_id, +#endif }; EXPORT_SYMBOL_GPL(blkio_cgrp_subsys); @@ -1120,7 +1128,8 @@ int blkcg_policy_register(struct blkcg_policy *pol) /* everything is in place, add intf files for the new policy */ if (pol->cftypes) - WARN_ON(cgroup_add_cftypes(&blkio_cgrp_subsys, pol->cftypes)); + WARN_ON(cgroup_add_legacy_cftypes(&blkio_cgrp_subsys, + pol->cftypes)); ret = 0; out_unlock: mutex_unlock(&blkcg_pol_mutex); diff --git a/block/blk-throttle.c b/block/blk-throttle.c index 3fdb21a390c1..9273d0969ebd 100644 --- a/block/blk-throttle.c +++ b/block/blk-throttle.c @@ -412,13 +412,13 @@ static void throtl_pd_init(struct blkcg_gq *blkg) int rw; /* - * If sane_hierarchy is enabled, we switch to properly hierarchical + * If on the default hierarchy, we switch to properly hierarchical * behavior where limits on a given throtl_grp are applied to the * whole subtree rather than just the group itself. e.g. If 16M * read_bps limit is set on the root group, the whole system can't * exceed 16M for the device. * - * If sane_hierarchy is not enabled, the broken flat hierarchy + * If not on the default hierarchy, the broken flat hierarchy * behavior is retained where all throtl_grps are treated as if * they're all separate root groups right below throtl_data. * Limits of a group don't interact with limits of other groups @@ -426,7 +426,7 @@ static void throtl_pd_init(struct blkcg_gq *blkg) */ parent_sq = &td->service_queue; - if (cgroup_sane_behavior(blkg->blkcg->css.cgroup) && blkg->parent) + if (cgroup_on_dfl(blkg->blkcg->css.cgroup) && blkg->parent) parent_sq = &blkg_to_tg(blkg->parent)->service_queue; throtl_service_queue_init(&tg->service_queue, parent_sq); |