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>

diff --git a/fs/cifs/fs_context.c b/fs/cifs/fs_context.c
index ca745fa..c427e49 100644 (file)
--- 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