From: Yan, Zheng <zyan@redhat.com>
Date: Wed, 11 Apr 2018 02:20:20 +0000 (+0800)
Subject: mds: don't bump snaptable last_snap when renaming snapshot
X-Git-Tag: v13.1.0~2^2~16
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=28dc90bfade310a7b593d44f700a4a84bbf942b5;p=ceph.git

mds: don't bump snaptable last_snap when renaming snapshot

this helps keeping removed_snaps interval_set in osdmap contiguous

Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
---

diff --git a/src/mds/SnapServer.cc b/src/mds/SnapServer.cc
index 4bdbfd8e8fb..7e97ab8b0ef 100644
--- a/src/mds/SnapServer.cc
+++ b/src/mds/SnapServer.cc
@@ -120,8 +120,6 @@ void SnapServer::_prepare(bufferlist &bl, uint64_t reqid, mds_rank_t bymds)
       decode(info.name, p);
       decode(info.stamp, p);
 
-      // bump last_snap... we use it as a version value on the snaprealm.
-      ++last_snap;
       pending_update[version] = info;
       dout(10) << "prepare v" << version << " update " << info << dendl;