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-rw-r--r--block/blk-mq-sysfs.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c
index ed5217867555..371d8800b48a 100644
--- a/block/blk-mq-sysfs.c
+++ b/block/blk-mq-sysfs.c
@@ -402,6 +402,12 @@ static void blk_mq_sysfs_init(struct request_queue *q)
}
}
+/* see blk_register_queue() */
+void blk_mq_finish_init(struct request_queue *q)
+{
+ percpu_ref_switch_to_percpu(&q->mq_usage_counter);
+}
+
int blk_mq_register_disk(struct gendisk *disk)
{
struct device *dev = disk_to_dev(disk);