diff options
| author | Chengming Zhou <zhouchengming@bytedance.com> | 2023-04-06 17:50:49 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-04-07 01:17:32 +0300 |
| commit | d1023165eef83dace7cc6299af904f26272baaca (patch) | |
| tree | 403f245c95b480759d909c2c990b928b8dd6dc15 /block/blk-cgroup.c | |
| parent | e9f2f3f590289681c71d0137d4e5e88421f934c6 (diff) | |
| download | linux-d1023165eef83dace7cc6299af904f26272baaca.tar.xz | |
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>
Diffstat (limited to 'block/blk-cgroup.c')
| -rw-r--r-- | block/blk-cgroup.c | 21 |
1 files changed, 0 insertions, 21 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", |