From 2465df57b7156b00cd9d8f6118aba7b9127f4059 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@redhat.com>
Date: Mon, 25 Jun 2018 13:08:21 -0500
Subject: [PATCH] os/filestore: add _merge_collections post-check

Signed-off-by: Sage Weil <sage@redhat.com>
---
 src/os/filestore/FileStore.cc | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/src/os/filestore/FileStore.cc b/src/os/filestore/FileStore.cc
index 70ccde6e8f7..f7bd3eb3cd0 100644
--- a/src/os/filestore/FileStore.cc
+++ b/src/os/filestore/FileStore.cc
@@ -5784,6 +5784,31 @@ int FileStore::_merge_collection(const coll_t& cid,
   if (_check_replay_guard(cid, spos) > 0)
     r = _destroy_collection(cid);
 
+  if (!r && cct->_conf->filestore_debug_verify_split) {
+    vector<ghobject_t> objects;
+    ghobject_t next;
+    while (1) {
+      collection_list(
+	dest,
+	next, ghobject_t::get_max(),
+	get_ideal_list_max(),
+	&objects,
+	&next);
+      if (objects.empty())
+	break;
+      for (vector<ghobject_t>::iterator i = objects.begin();
+	   i != objects.end();
+	   ++i) {
+	if (!i->match(bits, pgid.pgid.ps())) {
+	  dout(20) << __FUNC__ << ": " << *i << " does not belong in "
+		   << cid << dendl;
+	  assert(i->match(bits, pgid.pgid.ps()));
+	}
+      }
+      objects.clear();
+    }
+  }
+
   dout(15) << __FUNC__ << ": " << cid << " " << dest << " bits " << bits
 	   << " = " << r << dendl;
   return r;
-- 
2.39.5