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 A3A0C2494F0 for ; Mon, 19 Jan 2026 06:48:29 +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=1768805310; cv=none; b=XWQJKLdcmqyo/3+fRyuZMm7Js8zfBQSFJEiEDAFm4MZB+UOPhTQJ3aQ4HQtsUCKrNtyOWXgd7t6TEBzBfl3GNrEfhKphmuyVPZc3XQSROdCufAD2ieVGAP6cpmmUEvOJ6vACEKAwTB/2Ot1EaDrCaLUaDnf6inER+Zl9qowDez4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768805310; c=relaxed/simple; bh=vVsccUN8N6trm6tqB2dsnfWcIgQvmsLUEHBWtvZb2GU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=FjZvyznOm2Y/BPnaeVN5+HGwEXTEnLqjsMU2mVbMet373+P/9n5yU5X92PJ/8UfYX+KHTGm4TpYedxwtjxiJON3EimeNypDzztit3MaRPzE+jm/ev3ZQibjef5ovP22Lo8ppRcIewiMc/y98XCDVWpZ7P4IqFPfisxNNyuwqpVA= 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=dgjeiJwl; 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="dgjeiJwl" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Transfer-Encoding :Content-Type:MIME-Version:References:Message-ID:Subject:Cc:To:From:Date: Sender:Reply-To:Content-ID:Content-Description; bh=1rSbJRp5oGKRz5siR24Dv9FwJAPV0kthIkaROK7pT0A=; b=dgjeiJwlDts6rHxRQWVPyCdoaT rgOUSf1l3LXrD2nkN3ukx96JdtQ/PDSzMr2r7xDuo0ajpJQpTeuVNP749Z6/r4/LFCuF+V2OmUk8W 6bNdCOWf08MTf9Z2cjS/aSDL7qxq6OzhCo6P9c9tNyfTkiWSgBP5/bVv2Jyhe3HsUq2IxT8vla/eH 8Zm89VHFwP1FukdlHKw8ZRbW+O3vOhLCMIYI+mQmTHbntDSq9i7gaO2ixtX01E3WMzAjdHQqWq8z+ tiVWy8KbFwj2+cOuMSH50Y44JGQZv5qAcgBggrj8Kl/1khF21wGRzcdFJIwNJyH1NeTaxqWr3x01g 3x/es3Rw==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vhj3q-00000001QnR-3hZP; Mon, 19 Jan 2026 06:48:26 +0000 Date: Sun, 18 Jan 2026 22:48:26 -0800 From: Christoph Hellwig To: Coly Li Cc: Christoph Hellwig , Yu Kuai , linux-raid@vger.kernel.org, linan122@huawei.com, xni@redhat.com, dan.carpenter@linaro.org Subject: Re: [PATCH v5 12/12] md: fix abnormal io_opt from member disks Message-ID: References: <20260114171241.3043364-1-yukuai@fnnas.com> <20260114171241.3043364-13-yukuai@fnnas.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=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Sat, Jan 17, 2026 at 11:28:49AM +0800, Coly Li wrote: > > 2026年1月16日 23:08，Christoph Hellwig 写道： > > > > On Thu, Jan 15, 2026 at 01:12:40AM +0800, Yu Kuai wrote: > >> It's reported that mtp3sas can report abnormal io_opt, for consequence, > >> md array will end up with abnormal io_opt as well, due to the > > > > How do you define "abnormal”? > > E.g. a spinning hard drive connect to this HBA card reports its max_sectors as 32767 sectors. > This is around 16MB and too large for normal hard drive. Which is larger than what we'd expect for the HDD itself, where it should be around 1MB. But HBAs do weird stuff, so it might actually be correct here. Have you talked to the mpt3sas maintainers?