From 5b23f5b5892b36fb7d06efc0d77e64a24ef6e8c9 Mon Sep 17 00:00:00 2001
From: David Zafman <dzafman@redhat.com>
Date: Fri, 20 Mar 2015 16:57:40 -0700
Subject: [PATCH] ceph-objectstore-tool: Output only unsupported features when
 incomatible

Fixes: #11176
Backport: firefly, giant

Signed-off-by: David Zafman <dzafman@redhat.com>
---
 src/tools/ceph_objectstore_tool.cc | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/tools/ceph_objectstore_tool.cc b/src/tools/ceph_objectstore_tool.cc
index cf27e11f4f3df..8b1741ed1a149 100644
--- a/src/tools/ceph_objectstore_tool.cc
+++ b/src/tools/ceph_objectstore_tool.cc
@@ -2557,8 +2557,9 @@ int main(int argc, char **argv)
     cerr << "On-disk features: " << superblock.compat_features << std::endl;
   }
   if (supported.compare(superblock.compat_features) == -1) {
+    CompatSet unsupported = supported.unsupported(superblock.compat_features);
     cerr << "On-disk OSD incompatible features set "
-      << superblock.compat_features << std::endl;
+      << unsupported << std::endl;
     ret = EINVAL;
     goto out;
   }
-- 
2.39.5