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