From: "Dr. David Alan Gilbert" <linux@treblig.org>

perf_data__update_dir() was added in 2019's
commit e8be135751f2 ("perf data: Add perf_data__update_dir() function")
but has never been used.

Remove it.

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
---
 tools/perf/util/data.c | 20 --------------------
 tools/perf/util/data.h |  1 -
 2 files changed, 21 deletions(-)

diff --git a/tools/perf/util/data.c b/tools/perf/util/data.c
index 98661ede2a73..164eb45a0b36 100644
--- a/tools/perf/util/data.c
+++ b/tools/perf/util/data.c
@@ -158,26 +158,6 @@ int perf_data__open_dir(struct perf_data *data)
 	return ret;
 }
 
-int perf_data__update_dir(struct perf_data *data)
-{
-	int i;
-
-	if (WARN_ON(!data->is_dir))
-		return -EINVAL;
-
-	for (i = 0; i < data->dir.nr; i++) {
-		struct perf_data_file *file = &data->dir.files[i];
-		struct stat st;
-
-		if (fstat(file->fd, &st))
-			return -1;
-
-		file->size = st.st_size;
-	}
-
-	return 0;
-}
-
 static bool check_pipe(struct perf_data *data)
 {
 	struct stat st;
diff --git a/tools/perf/util/data.h b/tools/perf/util/data.h
index 110f3ebde30f..1438e32e0451 100644
--- a/tools/perf/util/data.h
+++ b/tools/perf/util/data.h
@@ -97,7 +97,6 @@ int perf_data__switch(struct perf_data *data,
 int perf_data__create_dir(struct perf_data *data, int nr);
 int perf_data__open_dir(struct perf_data *data);
 void perf_data__close_dir(struct perf_data *data);
-int perf_data__update_dir(struct perf_data *data);
 unsigned long perf_data__size(struct perf_data *data);
 int perf_data__make_kcore_dir(struct perf_data *data, char *buf, size_t buf_sz);
 bool has_kcore_dir(const char *path);
-- 
2.48.1