From: Sage Weil <sage@redhat.com>
Date: Mon, 12 Feb 2018 20:32:54 +0000 (-0600)
Subject: osd/SnapMapper: catch empty snaps on add_oid()
X-Git-Tag: v12.2.5~75^2~3
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=6b11270dd00ada20683c05d8ece50c5930ff794d;p=ceph.git

osd/SnapMapper: catch empty snaps on add_oid()

This shouldn't ever happen.

Signed-off-by: Sage Weil <sage@redhat.com>
(cherry picked from commit 6668c16484be3f98a4a8a3806a338b2185a58a47)
---

diff --git a/src/osd/SnapMapper.cc b/src/osd/SnapMapper.cc
index c88b7ea1565b..374e2429b439 100644
--- a/src/osd/SnapMapper.cc
+++ b/src/osd/SnapMapper.cc
@@ -239,6 +239,7 @@ void SnapMapper::add_oid(
   MapCacher::Transaction<std::string, bufferlist> *t)
 {
   dout(20) << __func__ << " " << oid << " " << snaps << dendl;
+  assert(!snaps.empty());
   assert(check(oid));
   {
     object_snaps out;