From 8860028f508a9be5a08f512022cfb042021fd19f Mon Sep 17 00:00:00 2001
From: "tang.jin" <tang.jin@istuary.com>
Date: Mon, 16 Jan 2017 22:28:23 +0800
Subject: [PATCH] rbd: add error prompt when input command 'snap set limit' is
 incomplete

Signed-off-by: Tang Jin <tang.jin@istuary.com>
---
 src/tools/rbd/action/Snap.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/tools/rbd/action/Snap.cc b/src/tools/rbd/action/Snap.cc
index 892d051d8c34..168679393bf2 100644
--- a/src/tools/rbd/action/Snap.cc
+++ b/src/tools/rbd/action/Snap.cc
@@ -474,6 +474,7 @@ int execute_set_limit(const po::variables_map &vm) {
   if (vm.count(at::LIMIT)) {
     limit = vm[at::LIMIT].as<uint64_t>();
   } else {
+    std::cerr << "rbd: must specify --limit <num>" << std::endl;
     return -ERANGE;
   }
 
-- 
2.47.3