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-rw-r--r--block/blk-rq-qos.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/block/blk-rq-qos.h b/block/blk-rq-qos.h
index 3c85f26d3846..564851889550 100644
--- a/block/blk-rq-qos.h
+++ b/block/blk-rq-qos.h
@@ -168,6 +168,11 @@ static inline void rq_qos_done_bio(struct request_queue *q, struct bio *bio)
static inline void rq_qos_throttle(struct request_queue *q, struct bio *bio)
{
+ /*
+ * BIO_TRACKED lets controllers know that a bio went through the
+ * normal rq_qos path.
+ */
+ bio_set_flag(bio, BIO_TRACKED);
if (q->rq_qos)
__rq_qos_throttle(q->rq_qos, bio);
}