From: Ralph Boehme <slow@samba.org>
Date: Mon, 7 Jan 2019 20:10:19 +0000 (+0100)
Subject: s3:smbd: don't use async dosmode if per-thread cwd is not available
X-Git-Tag: talloc-2.1.15~149
X-Git-Url: http://git.samba.org/?p=samba.git;a=commitdiff_plain;h=57e2fb018f2040d1e2d487a4590f103022496b44

s3:smbd: don't use async dosmode if per-thread cwd is not available

The additional overhead for the async processing should be avoided when
we know the lower level has to fallback to sync processing anyway.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
---

diff --git a/source3/smbd/smb2_query_directory.c b/source3/smbd/smb2_query_directory.c
index 6020025b28b..fdb87188f93 100644
--- a/source3/smbd/smb2_query_directory.c
+++ b/source3/smbd/smb2_query_directory.c
@@ -516,6 +516,9 @@ static struct tevent_req *smbd_smb2_query_directory_send(TALLOC_CTX *mem_ctx,
 		size_t max_threads;
 
 		max_threads = pthreadpool_tevent_max_threads(conn->sconn->pool);
+		if (max_threads == 0 || !per_thread_cwd_supported()) {
+			state->async_dosmode = false;
+		}
 
 		state->max_async_dosmode_active = lp_smbd_max_async_dosmode(
 							SNUM(conn));