os/bluestore: add sanity check to the order of shards before updating

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index b0c2e223272f0174fb4353bf7d1eda7462250432..7a9fb4528c0c57ccb7d9118aedc0b5de53d8ea27 100644 (file)
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -1939,6 +1939,7 @@ void BlueStore::ExtentMap::update(KeyValueDB::Transaction t,
     auto p = shards.begin();
     auto prev_p = p;
     while (p != shards.end()) {
+      assert(p->shard_info->offset >= prev_p->shard_info->offset);
       auto n = p;
       ++n;
       if (p->dirty) {