[PATCH] blk-iolatency: #include "blk.h"

[Bart Van Assche <bvanassche@xxxxxxx>]

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>
---
 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
 
-- 
2.21.0.155.ge902e9bcae20