From: Jos Collin <jcollin@redhat.com>
Date: Wed, 8 Jan 2020 01:31:57 +0000 (+0530)
Subject: mds: add comment in feature_bitset_t::empty
X-Git-Tag: v15.1.0~209^2
X-Git-Url: http://git.apps.os.sepia.ceph.com/?a=commitdiff_plain;h=6434bd1ed56d2ed2497a35793f0b17170d1a481a;p=ceph-ci.git

mds: add comment in feature_bitset_t::empty

Signed-off-by: Jos Collin <jcollin@redhat.com>
---

diff --git a/src/mds/mdstypes.h b/src/mds/mdstypes.h
index 23c6607ce37..4db6d90df7b 100644
--- a/src/mds/mdstypes.h
+++ b/src/mds/mdstypes.h
@@ -1087,6 +1087,7 @@ public:
     return *this;
   }
   bool empty() const {
+    //block_type is a uint64_t. If the vector is only composed of 0s, then it's still "empty"
     for (auto& v : _vec) {
       if (v)
 	return false;