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Subject[PATCH 2/4] cfq-iosched: Get rid of nr_groups
Date
o Currently code does not seem to be using cfqd->nr_groups. Get rid of it.

Signed-off-by: Vivek Goyal <vgoyal@redhat.com>
---
block/cfq-iosched.c | 4 ----
1 files changed, 0 insertions(+), 4 deletions(-)
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index a0e5347..d9bfa09 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -208,8 +208,6 @@ struct cfq_data {
/* Root service tree for cfq_groups */
struct cfq_rb_root grp_service_tree;
struct cfq_group root_group;
- /* Number of active cfq groups on group service tree */
- int nr_groups;

/*
* The priority currently being served
@@ -842,7 +840,6 @@ cfq_group_service_tree_add(struct cfq_data *cfqd, struct cfq_group *cfqg)

__cfq_group_service_tree_add(st, cfqg);
cfqg->on_st = true;
- cfqd->nr_groups++;
st->total_weight += cfqg->weight;
}

@@ -863,7 +860,6 @@ cfq_group_service_tree_del(struct cfq_data *cfqd, struct cfq_group *cfqg)

cfq_log_cfqg(cfqd, cfqg, "del_from_rr group");
cfqg->on_st = false;
- cfqd->nr_groups--;
st->total_weight -= cfqg->weight;
if (!RB_EMPTY_NODE(&cfqg->rb_node))
cfq_rb_erase(&cfqg->rb_node, st);
--
1.6.2.5


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