1 files changed, 8 insertions, 0 deletions

diff --git a/miscutils/ionice.c b/miscutils/ionice.c
index 481a738ee..2bc83c5eb 100644
--- a/miscutils/ionice.c
+++ b/miscutils/ionice.c
@@ -7,6 +7,14 @@
  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  */
 
+//usage:#define ionice_trivial_usage
+//usage:        "[-c 1-3] [-n 0-7] [-p PID] [PROG]"
+//usage:#define ionice_full_usage "\n\n"
+//usage:       "Change I/O priority and class\n"
+//usage:     "\nOptions:"
+//usage:     "\n        -c      Class. 1:realtime 2:best-effort 3:idle"
+//usage:     "\n        -n      Priority"
+
 #include <sys/syscall.h>
 #include <asm/unistd.h>
 #include "libbb.h"