On Sat, Aug 04, 2018 at 07:13:43PM +0800, zhong jiang wrote:
>The ret is not used after initalization, So just remove it.
So why not change these two functions to void function?
--
Thanks,
Lu
>
>Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx>
>---
> fs/btrfs/extent_map.c | 8 +++-----
> 1 file changed, 3 insertions(+), 5 deletions(-)
>
>diff --git a/fs/btrfs/extent_map.c b/fs/btrfs/extent_map.c
>index 6648d55..b48ab41 100644
>--- a/fs/btrfs/extent_map.c
>+++ b/fs/btrfs/extent_map.c
>@@ -276,7 +276,6 @@ static void try_merge_map(struct extent_map_tree *tree, struct extent_map *em)
> int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len,
> u64 gen)
> {
>- int ret = 0;
> struct extent_map *em;
> bool prealloc = false;
>
>@@ -308,7 +307,7 @@ int unpin_extent_cache(struct extent_map_tree *tree, u64 start, u64 len,
> free_extent_map(em);
> out:
> write_unlock(&tree->lock);
>- return ret;
>+ return 0;
>
> }
>
>@@ -430,14 +429,13 @@ struct extent_map *search_extent_mapping(struct extent_map_tree *tree,
> */
> int 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;
>+
>+ return 0;
> }
>
> void replace_extent_mapping(struct extent_map_tree *tree,
>--
>1.7.12.4
>
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