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-rw-r--r--block/blk-rq-qos.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/block/blk-rq-qos.c b/block/blk-rq-qos.c
index f4eea78f5cc1..61b635bc2a31 100644
--- a/block/blk-rq-qos.c
+++ b/block/blk-rq-qos.c
@@ -101,6 +101,15 @@ void __rq_qos_done_bio(struct rq_qos *rqos, struct bio *bio)
} while (rqos);
}
+void __rq_qos_queue_depth_changed(struct rq_qos *rqos)
+{
+ do {
+ if (rqos->ops->queue_depth_changed)
+ rqos->ops->queue_depth_changed(rqos);
+ rqos = rqos->next;
+ } while (rqos);
+}
+
/*
* Return true, if we can't increase the depth further by scaling
*/