diff options
| author | Chengming Zhou <zhouchengming@bytedance.com> | 2023-04-06 22:50:49 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-04-06 16:17:32 -0600 |
| commit | d1023165eef83dace7cc6299af904f26272baaca (patch) | |
| tree | 403f245c95b480759d909c2c990b928b8dd6dc15 | |
| parent | e9f2f3f590289681c71d0137d4e5e88421f934c6 (diff) | |
blk-cgroup: delete cpd_bind_fn of blkcg_policy
cpd_bind_fn is just used for update default weight when block
subsys attached to a hierarchy. No any policy need it anymore.
Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Acked-by: Tejun Heo <tj@kernel.org>
Link: https://lore.kernel.org/r/20230406145050.49914-3-zhouchengming@bytedance.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | block/blk-cgroup.c | 21 | ||||
| -rw-r--r-- | block/blk-cgroup.h | 1 |
2 files changed, 0 insertions, 22 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index bd50b55bdb61..68b797b3f114 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1355,26 +1355,6 @@ void blkcg_exit_disk(struct gendisk *disk) blk_throtl_exit(disk); } -static void blkcg_bind(struct cgroup_subsys_state *root_css) -{ - int i; - - mutex_lock(&blkcg_pol_mutex); - - for (i = 0; i < BLKCG_MAX_POLS; i++) { - struct blkcg_policy *pol = blkcg_policy[i]; - struct blkcg *blkcg; - - if (!pol || !pol->cpd_bind_fn) - continue; - - list_for_each_entry(blkcg, &all_blkcgs, all_blkcgs_node) - if (blkcg->cpd[pol->plid]) - pol->cpd_bind_fn(blkcg->cpd[pol->plid]); - } - mutex_unlock(&blkcg_pol_mutex); -} - static void blkcg_exit(struct task_struct *tsk) { if (tsk->throttle_disk) @@ -1388,7 +1368,6 @@ struct cgroup_subsys io_cgrp_subsys = { .css_offline = blkcg_css_offline, .css_free = blkcg_css_free, .css_rstat_flush = blkcg_rstat_flush, - .bind = blkcg_bind, .dfl_cftypes = blkcg_files, .legacy_cftypes = blkcg_legacy_files, .legacy_name = "blkio", diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h index 9c5078755e5e..26ce62663e27 100644 --- a/block/blk-cgroup.h +++ b/block/blk-cgroup.h @@ -175,7 +175,6 @@ struct blkcg_policy { blkcg_pol_alloc_cpd_fn *cpd_alloc_fn; blkcg_pol_init_cpd_fn *cpd_init_fn; blkcg_pol_free_cpd_fn *cpd_free_fn; - blkcg_pol_bind_cpd_fn *cpd_bind_fn; blkcg_pol_alloc_pd_fn *pd_alloc_fn; blkcg_pol_init_pd_fn *pd_init_fn; |