From 2b06bff950a78b15aca083b20eaa812b4214e8d4 Mon Sep 17 00:00:00 2001
From: dongdong tao <tdd21151186@gmail.com>
Date: Tue, 9 Jan 2018 17:07:11 +0800
Subject: [PATCH] cephfs-journal-tool: add usage help info for header set
 <field>

Signed-off-by: dongdong tao <tdd21151186@gmail.com>
---
 src/tools/cephfs/JournalTool.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/tools/cephfs/JournalTool.cc b/src/tools/cephfs/JournalTool.cc
index d49bedd8ecb2..d134769f8b2c 100644
--- a/src/tools/cephfs/JournalTool.cc
+++ b/src/tools/cephfs/JournalTool.cc
@@ -49,6 +49,7 @@ void JournalTool::usage()
     << "      export <path>\n"
     << "      reset [--force]\n"
     << "  cephfs-journal-tool [options] header <get|set <field> <value>\n"
+    << "    <field>: [trimmed_pos|expire_pos|write_pos|pool_id]"
     << "  cephfs-journal-tool [options] event <effect> <selector> <output> [special options]\n"
     << "    <selector>:\n"
     << "      --range=<start>..<end>\n"
-- 
2.47.3