lstat_cache(): print a warning if doing ping-pong between cache types

diff --git a/builtin-diff-files.c b/builtin-diff-files.c
index 2b578c714d36c600107f03b454ed8241dc2d4f19..5b64011de8222f06b5c772a6461278dea152919e 100644 (file)
--- a/builtin-diff-files.c
+++ b/builtin-diff-files.c
@@ -59,8 +59,8 @@ int cmd_diff_files(int argc, const char **argv, const char *prefix)
            (rev.diffopt.output_format & DIFF_FORMAT_PATCH))
                rev.combine_merges = rev.dense_combined_merges = 1;
 
-       if (read_cache() < 0) {
-               perror("read_cache");
+       if (read_cache_preload(rev.diffopt.paths) < 0) {
+               perror("read_cache_preload");
                return -1;
        }
        result = run_diff_files(&rev, options);