The rcu callback disk_free_ptbl_rcu_cb() just calls a kfree(),
so we use kfree_rcu() instead of the call_rcu(disk_free_ptbl_rcu_cb).
Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxx>
---
block/genhd.c | 10 +---------
1 files changed, 1 insertions(+), 9 deletions(-)
diff --git a/block/genhd.c b/block/genhd.c
index cbf1112..2800cc8 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -1018,14 +1018,6 @@ static const struct attribute_group *disk_attr_groups[] = {
NULL
};
-static void disk_free_ptbl_rcu_cb(struct rcu_head *head)
-{
- struct disk_part_tbl *ptbl =
- container_of(head, struct disk_part_tbl, rcu_head);
-
- kfree(ptbl);
-}
-
/**
* disk_replace_part_tbl - replace disk->part_tbl in RCU-safe way
* @disk: disk to replace part_tbl for
@@ -1046,7 +1038,7 @@ static void disk_replace_part_tbl(struct gendisk *disk,
if (old_ptbl) {
rcu_assign_pointer(old_ptbl->last_lookup, NULL);
- call_rcu(&old_ptbl->rcu_head, disk_free_ptbl_rcu_cb);
+ kfree_rcu(old_ptbl, rcu_head);
}
}
--
1.7.4
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