blk-iolatency: clear use_delay when io.latency is set to zero

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

diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c
index d22e61bced86dbe3cf4cfb4df047c234c1ae9c0d..17896bb3aaf28da2b3440a537305ba3d0ad2133d 100644 (file)
--- a/block/blk-iolatency.c
+++ b/block/blk-iolatency.c
@@ -778,8 +778,10 @@ static int iolatency_set_min_lat_nsec(struct blkcg_gq *blkg, u64 val)
 
        if (!oldval && val)
                return 1;
-       if (oldval && !val)
+       if (oldval && !val) {
+               blkcg_clear_delay(blkg);
                return -1;
+       }
        return 0;
 }