Merge branch 'jk/unused-post-2.39-part2'

More work towards -Wunused.

* jk/unused-post-2.39-part2: (21 commits)
  help: mark unused parameter in git_unknown_cmd_config()
  run_processes_parallel: mark unused callback parameters
  userformat_want_item(): mark unused parameter
  for_each_commit_graft(): mark unused callback parameter
  rewrite_parents(): mark unused callback parameter
  fetch-pack: mark unused parameter in callback function
  notes: mark unused callback parameters
  prio-queue: mark unused parameters in comparison functions
  for_each_object: mark unused callback parameters
  list-objects: mark unused callback parameters
  mark unused parameters in signal handlers
  run-command: mark error routine parameters as unused
  mark "pointless" data pointers in callbacks
  ref-filter: mark unused callback parameters
  http-backend: mark unused parameters in virtual functions
  http-backend: mark argc/argv unused
  object-name: mark unused parameters in disambiguate callbacks
  serve: mark unused parameters in virtual functions
  serve: use repository pointer to get config
  ls-refs: drop config caching
  ...

1 files changed, 4 insertions, 2 deletions

diff --git a/pack-bitmap.c b/pack-bitmap.c
index a321d6fae8..ca7c81b5c9 100644
--- a/pack-bitmap.c
+++ b/pack-bitmap.c
@@ -953,7 +953,8 @@ static void show_object(struct object *object, const char *name, void *data_)
 	bitmap_set(data->base, bitmap_pos);
 }
 
-static void show_commit(struct commit *commit, void *data)
+static void show_commit(struct commit *commit UNUSED,
+			void *data UNUSED)
 {
 }
 
@@ -1942,7 +1943,8 @@ static void test_bitmap_type(struct bitmap_test_data *tdata,
 		    type_name(bitmap_type));
 }
 
-static void test_show_object(struct object *object, const char *name,
+static void test_show_object(struct object *object,
+			     const char *name UNUSED,
 			     void *data)
 {
 	struct bitmap_test_data *tdata = data;