Messages in this thread Patch in this message | | | From | zhong jiang <> | Subject | [PATCH] btrfs/extent_map: Remove unneeded variable "ret" | Date | Sat, 4 Aug 2018 19:13:43 +0800 |
| |
The ret is not used after initalization, So just remove it.
Signed-off-by: zhong jiang <zhongjiang@huawei.com> --- 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
| |