From: Bart Van Assche <bvanassche@xxxxxxx> [ Upstream commit 373e915cd8e84544609eced57a44fbc084f8d60f ] This patch avoids that the following warning is reported when building with W=1: block/blk-iolatency.c:734:5: warning: no previous prototype for 'blk_iolatency_init' [-Wmissing-prototypes] Cc: Josef Bacik <jbacik@xxxxxx> Fixes: d70675121546 ("block: introduce blk-iolatency io controller") # v4.19 Signed-off-by: Bart Van Assche <bvanassche@xxxxxxx> Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- block/blk-iolatency.c | 1 + 1 file changed, 1 insertion(+) diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c index 2620baa1f699..507212d75ee2 100644 --- a/block/blk-iolatency.c +++ b/block/blk-iolatency.c @@ -75,6 +75,7 @@ #include <linux/blk-mq.h> #include "blk-rq-qos.h" #include "blk-stat.h" +#include "blk.h" #define DEFAULT_SCALE_COOKIE 1000000U -- 2.19.1