From fa393d1b9c6326c227a24915a6f00721a288bde9 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bart.vanassche@wdc.com>
Date: Wed, 30 Aug 2017 11:42:07 -0700
Subject: bfq: Annotate fall-through in a switch statement

This patch avoids that gcc 7 issues a warning about fall-through
when building with W=1.

Acked-by: Paolo Valente <paolo.valente@linaro.org>
Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 block/bfq-iosched.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 8f3d22330d64..856f4199a470 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -3780,6 +3780,7 @@ bfq_set_next_ioprio_data(struct bfq_queue *bfqq, struct bfq_io_cq *bic)
 	default:
 		dev_err(bfqq->bfqd->queue->backing_dev_info->dev,
 			"bfq: bad prio class %d\n", ioprio_class);
+		/* fall through */
 	case IOPRIO_CLASS_NONE:
 		/*
 		 * No prio set, inherit CPU scheduling settings.
-- 
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