linux-kernel - [PATCH -next] dm btree: make symbol 'shadow

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Message-ID: <1621601336-11279-1-git-send-email-zou_wei@huawei.com>
Date:   Fri, 21 May 2021 20:48:56 +0800
From:   Zou Wei <zou_wei@...wei.com>
To:     <agk@...hat.com>, <snitzer@...hat.com>, <dm-devel@...hat.com>
CC:     <linux-kernel@...r.kernel.org>, Zou Wei <zou_wei@...wei.com>
Subject: [PATCH -next] dm btree: make symbol 'shadow_child' static

The sparse tool complains as follows:

drivers/md/persistent-data/dm-btree.c:696:5: warning:
 symbol 'shadow_child' was not declared. Should it be static?

This symbol is not used outside of dm-btree.c, so marks it static.

Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zou Wei <zou_wei@...wei.com>
---
 drivers/md/persistent-data/dm-btree.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/md/persistent-data/dm-btree.c b/drivers/md/persistent-data/dm-btree.c
index b8d21b6..a29bcb8 100644
--- a/drivers/md/persistent-data/dm-btree.c
+++ b/drivers/md/persistent-data/dm-btree.c
@@ -693,8 +693,10 @@ static int split_one_into_two(struct shadow_spine *s, unsigned parent_index,
  * child of the given parent node.  Making sure to update the parent to point
  * to the new shadow.
  */
-int shadow_child(struct dm_btree_info *info, struct dm_btree_value_type *vt,
-		 struct btree_node *parent, unsigned index, struct dm_block **result)
+static int shadow_child(struct dm_btree_info *info,
+			struct dm_btree_value_type *vt,
+			struct btree_node *parent,
+			unsigned index, struct dm_block **result)
 {
 	int r, inc;
 	dm_block_t root;
-- 
2.6.2