From: tang.jin <tang.jin@istuary.com>
Date: Mon, 16 Jan 2017 14:28:23 +0000 (+0800)
Subject: rbd: add error prompt when input command 'snap set limit' is incomplete
X-Git-Tag: v12.0.0~146^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F12945%2Fhead;p=ceph.git

rbd: add error prompt when input command 'snap set limit' is incomplete

Signed-off-by: Tang Jin <tang.jin@istuary.com>
---

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;
   }