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authorzhong jiang <zhongjiang@huawei.com>2018-09-13 11:01:15 +0800
committerDavid Sterba <dsterba@suse.com>2018-10-15 17:23:31 +0200
commitc1766dd7829802b3a451682234497a8539763bd1 (patch)
tree4a366088198f929aae25ee42712b40cbd7d2f1bf /fs/btrfs/extent_map.h
parent315bed43fea532650933e7bba316a7601d439edf (diff)
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 <zhongjiang@huawei.com> Reviewed-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent_map.h')
-rw-r--r--fs/btrfs/extent_map.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/btrfs/extent_map.h b/fs/btrfs/extent_map.h
index 25d985e7532a..a7ceb30449fc 100644
--- a/fs/btrfs/extent_map.h
+++ b/fs/btrfs/extent_map.h
@@ -78,7 +78,7 @@ struct extent_map *lookup_extent_mapping(struct extent_map_tree *tree,
u64 start, u64 len);
int add_extent_mapping(struct extent_map_tree *tree,
struct extent_map *em, int modified);
-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);
void replace_extent_mapping(struct extent_map_tree *tree,
struct extent_map *cur,
struct extent_map *new,