From dd538034f84fa4ea670420aac19adcceef45d057 Mon Sep 17 00:00:00 2001
From: Steve French <stfrench@microsoft.com>
Date: Mon, 14 Dec 2020 20:15:12 -0600
Subject: [PATCH] smb3: remind users that witness protocol is experimental

warn_once when using the witness protocol that it is experimental

Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Samuel Cabrero <scabrero@suse.de>
Reviewed-by: Shyam Prasad N <sprasad@microsoft.com>
---
 fs/cifs/fs_context.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/cifs/fs_context.c b/fs/cifs/fs_context.c
index ca745fa6c4a1..c427e494ea56 100644
--- a/fs/cifs/fs_context.c
+++ b/fs/cifs/fs_context.c
@@ -1098,6 +1098,7 @@ static int smb3_fs_context_parse_param(struct fs_context *fc,
 			goto cifs_parse_mount_err;
 #endif
 		ctx->witness = true;
+		pr_warn_once("Witness protocol support is experimental\n");
 		break;
 	case Opt_rootfs:
 #ifdef CONFIG_CIFS_ROOT