From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CCDDB21146C; Tue, 3 Feb 2026 07:31:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770103901; cv=none; b=h1eNDxFpIoL28bHpLVIZ9uYuGFAp/QN9M7M+1ueq8JD6+9gTD7ayeixXkBkhYotbvCspb60XoW+pVQsVF267VAA9rCgY//LAUTCNmwuyKicN3OGMvLjsi4UrAW53n8ljHaUHQA9E/IUg0EgWCwTnJ7X86mMw0m4qAUXg5kzMOPM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770103901; c=relaxed/simple; bh=b+DuKA6EH2nRKKa/FX6vz0JwIA+3DCXu45CBzoD6Xks=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=S+rdDnU7ZNdSM0w9u5YEWzSzuXoYGGHv8YOX9tKNOgX9MGv4/VFjr08E5j9mDLMkPOFKdr4zFaze5RHYpwudRp8lhXtntjW7tBoer8aPx62DU4XLOtSo5/a1I/yMIrwRRzRU4WrMqDSDKT7iMYVG86dAMPw5nth5HUu15ht2O+g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=I9btoHPn; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="I9btoHPn" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=b+DuKA6EH2nRKKa/FX6vz0JwIA+3DCXu45CBzoD6Xks=; b=I9btoHPn/JlsQwjSGdn9xtrhtZ MmcOR6MQr2nsqVRCB63hXAfcdFCcvXCbFcAt4XOXh3864ES0vnI9JwhNWUn/z0S6WvMPNNyc2ujdw qJSBoq0dOue52W8PHdwRm2qyqhtWzkOm2mwbzheSPVXKBFFWVfw1qDsGHogLcVDBUYVCLt4fDYffA rtklUBAsLIHeFjXgT7Jfy2dLGDHoH6Mf8FkT5SVJm59ckXMMdiV/Bi50TDm3Rf6WpGqrBpWCOkXo2 YF2BuJu6U3D1hG4yMh7ZcRNPU9c5Mp67eOlT9CSU50wP9V+71i3y1N1qiYYRAFngreQpVPygNZPkI FgNbLGjA==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vnAsd-00000006F8X-06Bh; Tue, 03 Feb 2026 07:31:23 +0000 Date: Mon, 2 Feb 2026 23:31:23 -0800 From: Christoph Hellwig To: Zheng Qixing Cc: song@kernel.org, yukuai@fnnas.com, linan122@huawei.com, xni@redhat.com, linux-raid@vger.kernel.org, linux-kernel@vger.kernel.org, yi.zhang@huawei.com, yangerkun@huawei.com, houtao1@huawei.com, zhengqixing@huawei.com Subject: Re: [RFC v2 0/5] md/raid1: introduce a new sync action to repair badblocks Message-ID: References: <20260203061259.609206-1-zhengqixing@huaweicloud.com> Precedence: bulk X-Mailing-List: linux-raid@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260203061259.609206-1-zhengqixing@huaweicloud.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Just curious, but what kind of devices do you see that have permanent bad blocks at a fixed location that are not fixed by rewriting the sector?