From nobody Thu Apr 2 14:07:56 2026 Received: from sg-1-34.ptr.blmpb.com (sg-1-34.ptr.blmpb.com [118.26.132.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B8F7832ED37 for ; Tue, 10 Feb 2026 07:13:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=118.26.132.34 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770707619; cv=none; b=G6uuSp5LQ3UTS5WKxnrjxz6FvHnZr91Sc3QlQSv32Q/L/DK8yBX3Vu5YuPbGWO5SUHM0sg2piQnFHpgqs+O7N490ld9lePQs0Ul2GoaFCZa84iOemfIsaUhm8n3eOdTTpxACyQRReWUinDHEHWCB/bXXpsqWYbboC4iQyB6nBfA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770707619; c=relaxed/simple; bh=2pnE9yfQmXN4KbgwupOv6RTp/pZmtEzPGOWwHkIRwsQ=; h=Message-Id:Mime-Version:To:From:Content-Type:Date:Cc:Subject; b=PKGI5C6iZr2IdnHwqoY3ydblsse+N7JYXwzwee6Qqat8f3RPs6KXRQN03a7PoyZ1EaLTyE/00bFTUxK717bUso+8mSJi0/tW76POO4aTlG4Mqqf1ppP4MB6lysRiMolyQ+KITDBZF/3d33Pfw+MulCo0JtUAh8A3Rye1ERTRzAY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=fnnas.com; spf=none smtp.mailfrom=fnnas.com; dkim=pass (2048-bit key) header.d=fnnas-com.20200927.dkim.feishu.cn header.i=@fnnas-com.20200927.dkim.feishu.cn header.b=KRQb9FRe; arc=none smtp.client-ip=118.26.132.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=fnnas.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=fnnas.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=fnnas-com.20200927.dkim.feishu.cn header.i=@fnnas-com.20200927.dkim.feishu.cn header.b="KRQb9FRe" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; s=s1; d=fnnas-com.20200927.dkim.feishu.cn; t=1770707600; h=from:subject:mime-version:from:date:message-id:subject:to:cc: reply-to:content-type:mime-version:in-reply-to:message-id; bh=wAA6LX7LBRyZjtQxwL19L2I3w0rzMiaTr7+8y7bAjTU=; b=KRQb9FRe3/dSIVk0iFCNd92fI0Jo9gPwpWyKAx4QBy2dyloWuaGoIiNrI7jFx/e6RxfC/R Su4Rmymu2vqoMKF5JNzymKnnkxhNVgWnYsgoxuKtms7hFa6sVMJrdpSm6lOlIsPodS4fS2 SANdrwJtg6OSwouip9pXS94dnWpxKq/zFL2iNHPUODF/Uh530RGFOmLkcX+FVOj7PMepvE yf8jluIaeN5KMwjYXdZmuHpwROjVsgX6ICLrGn+fF2iecCBlPB01nhvyV2jt8VL/8KOB9Y IHUhsLp3lDPJdpqBcQtvT8leBZjkw0zlUyE6uDtbTeVA8o6yF7ZuHCkXzTxHiQ== Message-Id: <20260210124114.169207-1-chencheng@fnnas.com> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 To: , , , From: "chencheng" X-Original-From: chencheng Date: Tue, 10 Feb 2026 20:41:14 +0800 Received: from c ([113.111.140.189]) by smtp.feishu.cn with ESMTPS; Tue, 10 Feb 2026 15:13:17 +0800 Content-Transfer-Encoding: quoted-printable X-Lms-Return-Path: Cc: "chencheng" Subject: [PATCH] md: suppress spurious superblock update warning for dm-raid Content-Type: text/plain; charset="utf-8" dm-raid have external metadata management (mddev->external =3D 1) and no persistent superblock (mddev->persistent =3D 0). For these arrays, there's no superblock to update, so the warning is spurious. Signed-off-by: chencheng Reviewed-by: Paul Menzel --- drivers/md/md.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/md/md.c b/drivers/md/md.c index 6d73f6e196a..e30b658641e 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -2790,7 +2790,9 @@ void md_update_sb(struct mddev *mddev, int force_chan= ge) if (!md_is_rdwr(mddev)) { if (force_change) set_bit(MD_SB_CHANGE_DEVS, &mddev->sb_flags); - pr_err("%s: can't update sb for read-only array %s\n", __func__, mdname(= mddev)); + if (!mddev_is_dm(mddev)) + pr_err_ratelimited("%s: can't update sb for read-only array %s\n", + __func__, mdname(mddev)); return; } =20 --=20 2.51.0