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| author | Michal Koutný <mkoutny@suse.com> | 2025-03-11 13:36:28 +0100 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2025-03-11 09:22:55 -1000 |
| commit | 4a893bdc18df087ab7dde28a4e8066ae39faa700 (patch) | |
| tree | 0d360df7bb6ff566859ab30cba3a845cbf8854aa /block/blk-cgroup.c | |
| parent | 76f9409f813c9dc24a22fa7a587a31983706c4d5 (diff) | |
| download | linux-4a893bdc18df087ab7dde28a4e8066ae39faa700.tar.gz linux-4a893bdc18df087ab7dde28a4e8066ae39faa700.tar.bz2 linux-4a893bdc18df087ab7dde28a4e8066ae39faa700.zip | |
blk-cgroup: Simplify policy files registration
Use one set of files when there is no difference between default and
legacy files, similar to regular subsys files registration. No
functional change.
Signed-off-by: Michal Koutný <mkoutny@suse.com>
Acked-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'block/blk-cgroup.c')
| -rw-r--r-- | block/blk-cgroup.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index b3e5184b10d5..fa26b33b540e 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1768,12 +1768,15 @@ int blkcg_policy_register(struct blkcg_policy *pol) mutex_unlock(&blkcg_pol_mutex); /* everything is in place, add intf files for the new policy */ - if (pol->dfl_cftypes) + if (pol->dfl_cftypes == pol->legacy_cftypes) { + WARN_ON(cgroup_add_cftypes(&io_cgrp_subsys, + pol->dfl_cftypes)); + } else { WARN_ON(cgroup_add_dfl_cftypes(&io_cgrp_subsys, pol->dfl_cftypes)); - if (pol->legacy_cftypes) WARN_ON(cgroup_add_legacy_cftypes(&io_cgrp_subsys, pol->legacy_cftypes)); + } mutex_unlock(&blkcg_pol_register_mutex); return 0; |