From 2f03ad2ea6b343b34624cc0e4ba63239bfc740e2 Mon Sep 17 00:00:00 2001
From: zhengyin <zhengyin@huayun.com>
Date: Wed, 2 May 2018 16:25:14 +0800
Subject: [PATCH] rbd: add the judgment of resizing the image

Signed-off-by: Zheng Yin zhengyin@huayun.com
---
 src/tools/rbd/action/Resize.cc | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/tools/rbd/action/Resize.cc b/src/tools/rbd/action/Resize.cc
index dfa5c907b52..aed5fdad137 100644
--- a/src/tools/rbd/action/Resize.cc
+++ b/src/tools/rbd/action/Resize.cc
@@ -71,7 +71,12 @@ int execute(const po::variables_map &vm,
     return r;
   }
 
-  r = do_resize(image, size, vm["allow-shrink"].as<bool>(), vm[at::NO_PROGRESS].as<bool>());
+  if (info.size > size && !vm["allow-shrink"].as<bool>()) {
+    r = -EINVAL;
+  } else {
+    r = do_resize(image, size, vm["allow-shrink"].as<bool>(), vm[at::NO_PROGRESS].as<bool>());
+  }
+
   if (r < 0) {
     if (r == -EINVAL && !vm["allow-shrink"].as<bool>()) {
       std::cerr << "rbd: shrinking an image is only allowed with the "
-- 
2.39.5