From 18bb7f3392c323a432c1269d099eba1b3a62b1c8 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Thu, 28 Mar 2019 17:26:14 +0800
Subject: [PATCH] blk-iolatency: #include "blk.h"

mainline inclusion
from mainline-5.1-rc2
commit 373e915cd8e84544609eced57a44fbc084f8d60f
category: bugfix
bugzilla: 13090
CVE: NA
---------------------------

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@fb.com>
Fixes: d70675121546 ("block: introduce blk-iolatency io controller") # v4.19
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Reviewed-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 block/blk-iolatency.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/block/blk-iolatency.c b/block/blk-iolatency.c
index b154e057ca67..6b8396ccb5c4 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
 
-- 
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