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, 2 insertions, 1 deletions

diff --git a/diagnose.c b/diagnose.c
index 4a8ee4e5cf..5b398f0cff 100644
--- a/diagnose.c
+++ b/diagnose.c
@@ -44,7 +44,8 @@ int option_parse_diagnose(const struct option *opt, const char *arg, int unset)
 	return error(_("invalid --%s value '%s'"), opt->long_name, arg);
 }
 
-static void dir_file_stats_objects(const char *full_path, size_t full_path_len,
+static void dir_file_stats_objects(const char *full_path,
+				   size_t full_path_len UNUSED,
 				   const char *file_name, void *data)
 {
 	struct strbuf *buf = data;