1 files changed, 8 insertions, 0 deletions

diff --git a/coreutils/fsync.c b/coreutils/fsync.c
index b8b463cd1..518c5642b 100644
--- a/coreutils/fsync.c
+++ b/coreutils/fsync.c
@@ -6,6 +6,14 @@
  *
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
+
+//usage:#define fsync_trivial_usage
+//usage:       "[-d] FILE..."
+//usage:#define fsync_full_usage "\n\n"
+//usage:       "Write files' buffered blocks to disk\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -d      Avoid syncing metadata"
+
 #include "libbb.h"
 #ifndef O_NOATIME
 # define O_NOATIME 0