Merge tag 'for-linus-4.20a-rc5-tag' of git://git.kernel.org/pub/scm/linux/kernel...

[linux.git] / block / blk-core.c

diff --git a/block/blk-core.c b/block/blk-core.c
index bc6ea87d10e02cffcaedec7cc9d4567d88cdd6b6..deb56932f8c46e9cb0fe0950000b8da1922addfc 100644 (file)
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -785,6 +785,9 @@ void blk_cleanup_queue(struct request_queue *q)
         * prevent that q->request_fn() gets invoked after draining finished.
         */
        blk_freeze_queue(q);
+
+       rq_qos_exit(q);
+
        spin_lock_irq(lock);
        queue_flag_set(QUEUE_FLAG_DEAD, q);
        spin_unlock_irq(lock);
@@ -795,9 +798,8 @@ void blk_cleanup_queue(struct request_queue *q)
         * dispatch may still be in-progress since we dispatch requests
         * from more than one contexts.
         *
-        * No need to quiesce queue if it isn't initialized yet since
-        * blk_freeze_queue() should be enough for cases of passthrough
-        * request.
+        * We rely on driver to deal with the race in case that queue
+        * initialization isn't done.
         */
        if (q->mq_ops && blk_queue_init_done(q))
                blk_mq_quiesce_queue(q);
@@ -2432,7 +2434,6 @@ blk_qc_t generic_make_request(struct bio *bio)
                        if (q)
                                blk_queue_exit(q);
                        q = bio->bi_disk->queue;
-                       bio_reassociate_blkg(q, bio);
                        flags = 0;
                        if (bio->bi_opf & REQ_NOWAIT)
                                flags = BLK_MQ_REQ_NOWAIT;