From c1766dd7829802b3a451682234497a8539763bd1 Mon Sep 17 00:00:00 2001 From: zhong jiang Date: Thu, 13 Sep 2018 11:01:15 +0800 Subject: btrfs: change remove_extent_mapping to return void remove_extent_mapping uses the variable "ret" for return value, but it is not modified after initialzation. Further, I find that any of the callers do not handle the return value and the callees are only simple functions so the return values does not need to be passed. Signed-off-by: zhong jiang Reviewed-by: Nikolay Borisov Reviewed-by: David Sterba Signed-off-by: David Sterba --- fs/btrfs/extent_map.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'fs/btrfs/extent_map.c') diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c index 6648d55e5339..2382b949cef8 100644 --- a/fs/btrfs/extent_map.c +++ b/fs/btrfs/extent_map.c @@ -428,16 +428,13 @@ struct extent_map *search_extent_mapping(struct extent_map_tree *tree, * Removes @em from @tree. No reference counts are dropped, and no checks * are done to see if the range is in use */ -int remove_extent_mapping(struct extent_map_tree *tree, struct extent_map *em) +void remove_extent_mapping(struct extent_map_tree *tree, struct extent_map *em) { - int ret = 0; - WARN_ON(test_bit(EXTENT_FLAG_PINNED, &em->flags)); rb_erase(&em->rb_node, &tree->map); if (!test_bit(EXTENT_FLAG_LOGGING, &em->flags)) list_del_init(&em->list); RB_CLEAR_NODE(&em->rb_node); - return ret; } void replace_extent_mapping(struct extent_map_tree *tree, -- cgit v1.2.3-73-gaa49b