From b5f78884606ba87e5a1742e8dd19bbe2e03f709d Mon Sep 17 00:00:00 2001 From: Xiangyu Yao Date: Fri, 22 Mar 2019 17:17:21 -0400 Subject: SERVER-39519 Create/drop view now only takes database IX lock --- src/mongo/db/storage/kv/kv_catalog.cpp | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'src/mongo/db/storage/kv/kv_catalog.cpp') diff --git a/src/mongo/db/storage/kv/kv_catalog.cpp b/src/mongo/db/storage/kv/kv_catalog.cpp index 8df05d06f0f..ced31ab93ac 100644 --- a/src/mongo/db/storage/kv/kv_catalog.cpp +++ b/src/mongo/db/storage/kv/kv_catalog.cpp @@ -410,7 +410,13 @@ Status KVCatalog::newCollection(OperationContext* opCtx, const NamespaceString& nss, const CollectionOptions& options, KVPrefix prefix) { - invariant(opCtx->lockState()->isDbLockedForMode(nss.db(), MODE_X)); + // TODO(SERVER-39520): Once createCollection does not need database IX lock, 'system.views' will + // be no longer a special case. + if (nss.coll().startsWith("system.views")) { + invariant(opCtx->lockState()->isDbLockedForMode(nss.db(), MODE_IX)); + } else { + invariant(opCtx->lockState()->isDbLockedForMode(nss.db(), MODE_X)); + } const string ident = _newUniqueIdent(nss.ns(), "collection"); -- cgit v1.2.1