block: avoid setting none scheduler if it's already none

[mirror_ubuntu-bionic-kernel.git] / block / blk-throttle.c

diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index 825bc29767e6699ac85675d319a9866b70cc9b84..d19f416d61012ac032c49608f0afe463c948e8bc 100644 (file)
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -2226,13 +2226,7 @@ again:
 out_unlock:
        spin_unlock_irq(q->queue_lock);
 out:
-       /*
-        * As multiple blk-throtls may stack in the same issue path, we
-        * don't want bios to leave with the flag set.  Clear the flag if
-        * being issued.
-        */
-       if (!throttled)
-               bio_clear_flag(bio, BIO_THROTTLED);
+       bio_set_flag(bio, BIO_THROTTLED);
 
 #ifdef CONFIG_BLK_DEV_THROTTLING_LOW
        if (throttled || !td->track_bio_latency)