blkcg_policy cpd_init_fn() is used to just initialize some default
fields of policy data, which is enough to do in cpd_alloc_fn().
This patch delete the only user bfq_cpd_init(), and remove cpd_init_fn
from blkcg_policy.
Signed-off-by: Chengming Zhou <zhouchengming@xxxxxxxxxxxxx>
Acked-by: Tejun Heo <tj@xxxxxxxxxx>
---
block/bfq-cgroup.c | 10 ++--------
block/blk-cgroup.c | 4 ----
block/blk-cgroup.h | 1 -
3 files changed, 2 insertions(+), 13 deletions(-)
diff --git a/block/bfq-cgroup.c b/block/bfq-cgroup.c
index a2ab5dd58068..74f7d051665b 100644
--- a/block/bfq-cgroup.c
+++ b/block/bfq-cgroup.c
@@ -497,14 +497,9 @@ static struct blkcg_policy_data *bfq_cpd_alloc(gfp_t gfp)
bgd = kzalloc(sizeof(*bgd), gfp);
if (!bgd)
return NULL;
- return &bgd->pd;
-}
-static void bfq_cpd_init(struct blkcg_policy_data *cpd)
-{
- struct bfq_group_data *d = cpd_to_bfqgd(cpd);
-
- d->weight = CGROUP_WEIGHT_DFL;
+ bgd->weight = CGROUP_WEIGHT_DFL;
+ return &bgd->pd;
}
static void bfq_cpd_free(struct blkcg_policy_data *cpd)
@@ -1300,7 +1295,6 @@ struct blkcg_policy blkcg_policy_bfq = {
.legacy_cftypes = bfq_blkcg_legacy_files,
.cpd_alloc_fn = bfq_cpd_alloc,
- .cpd_init_fn = bfq_cpd_init,
.cpd_free_fn = bfq_cpd_free,
.pd_alloc_fn = bfq_pd_alloc,
diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index f663178f3a19..5fa77f32a52b 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -1289,8 +1289,6 @@ blkcg_css_alloc(struct cgroup_subsys_state *parent_css)
blkcg->cpd[i] = cpd;
cpd->blkcg = blkcg;
cpd->plid = i;
- if (pol->cpd_init_fn)
- pol->cpd_init_fn(cpd);
}
spin_lock_init(&blkcg->lock);
@@ -1645,8 +1643,6 @@ int blkcg_policy_register(struct blkcg_policy *pol)
blkcg->cpd[pol->plid] = cpd;
cpd->blkcg = blkcg;
cpd->plid = pol->plid;
- if (pol->cpd_init_fn)
- pol->cpd_init_fn(cpd);
}
}
diff --git a/block/blk-cgroup.h b/block/blk-cgroup.h
index 073488b9c7a0..6794157ea1eb 100644
--- a/block/blk-cgroup.h
+++ b/block/blk-cgroup.h
@@ -174,7 +174,6 @@ struct blkcg_policy {
/* operations */
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_alloc_pd_fn *pd_alloc_fn;
--
2.39.2
