blkcg: make blkcg_policy methods take a pointer to blkcg_policy_data

[deliverable/linux.git] / block / blk-throttle.c

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index c3a235b8ec7e0f8b068159151b1996158ea5098e..c2c75477a6b20491e4fea5ea2c9cffa9a27df583 100644 (file)
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -377,9 +377,10 @@ static struct blkg_policy_data *throtl_pd_alloc(gfp_t gfp, int node)
        return &tg->pd;
 }
 
-static void throtl_pd_init(struct blkcg_gq *blkg)
+static void throtl_pd_init(struct blkg_policy_data *pd)
 {
-       struct throtl_grp *tg = blkg_to_tg(blkg);
+       struct throtl_grp *tg = pd_to_tg(pd);
+       struct blkcg_gq *blkg = tg_to_blkg(tg);
        struct throtl_data *td = blkg->q->td;
        struct throtl_service_queue *sq = &tg->service_queue;
 
@@ -417,13 +418,13 @@ static void tg_update_has_rules(struct throtl_grp *tg)
                                    (tg->bps[rw] != -1 || tg->iops[rw] != -1);
 }
 
-static void throtl_pd_online(struct blkcg_gq *blkg)
+static void throtl_pd_online(struct blkg_policy_data *pd)
 {
        /*
         * We don't want new groups to escape the limits of its ancestors.
         * Update has_rules[] after a new group is brought online.
         */
-       tg_update_has_rules(blkg_to_tg(blkg));
+       tg_update_has_rules(pd_to_tg(pd));
 }
 
 static void throtl_pd_free(struct blkg_policy_data *pd)
@@ -435,9 +436,9 @@ static void throtl_pd_free(struct blkg_policy_data *pd)
        kfree(tg);
 }
 
-static void throtl_pd_reset_stats(struct blkcg_gq *blkg)
+static void throtl_pd_reset_stats(struct blkg_policy_data *pd)
 {
-       struct throtl_grp *tg = blkg_to_tg(blkg);
+       struct throtl_grp *tg = pd_to_tg(pd);
        int cpu;
 
        for_each_possible_cpu(cpu) {