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 47AAC346E51; Thu, 18 Jun 2026 09:01:00 +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=1781773262; cv=none; b=Fz9fqMqIRG83qm+Fp5Mg0n+AIVWLVAiqYko1258JKpUJY9sYDWTsuLrrjh69KvIihv4BksSYXlkhomL+RD4D61aqHDH1TH0AC7v0i5/2BXl1hQ/vhYn4uGJrYnd9ArXWegTecg5B5LmaST0mLvjMHxoJyIw+9LeC/TnRt+1PpdY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1781773262; c=relaxed/simple; bh=V7EWHCdfOLJBW3LIg7HN3oribf9s6I/Pfh4LQzI7QKI=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=j62aEdwLskgO2WCV0VDrr5RFuFjZ8ec7FlxSocnKnuOd3hvLr+iXM+a6xRfTJNzrSM2iiP0OIhfvHKQOZN5g/EUSBcgxZ83b8yCRhEYDBjGHDGwGV+o6h5Rpz6KvFO2GrXTAquQlOWFF5giGo/D/5lERxMTItVd2TX66l/fWsb0= 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=p4iXdViK; 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="p4iXdViK" 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=M9EeFcKrsMF7BhoQjCI346X+ZOMEwg/R7gAke80GfVI=; b=p4iXdViKvbqf6kRpw/cqG3Blwa 6C1K9QAX6RilcSbbtwmuX/qVu/9ZC9qD2CbGR4GsoseTTprHtyPVWYUdF+WPaqcRq5No3aOVj4snF KgeBky4jqCsXBD7v5nK98j+u8QXMs0Lez/NEW46AB9BlZv3yxgLXldXr7403y3TEbMHfu+fk4wrP8 oNE7wt85e0cz6qBBc0PJErX39MXQf5zHOibI1B73aiixUJYiknhsaDSLiL3IlMJlaOygj8cqZQr+q MWNvdmn9CVpEGytH/VmlAj16AgLGAvl2huoX9KpHS3adF+lzg6Lz+2ELB899KUxAivCV6cF1zjcG1 NdUtNW7g==; Received: from hch by bombadil.infradead.org with local (Exim 4.99.1 #2 (Red Hat Linux)) id 1wa8cN-00000000t9z-0HKT; Thu, 18 Jun 2026 09:00:59 +0000 Date: Thu, 18 Jun 2026 02:00:59 -0700 From: Christoph Hellwig To: "zhaoyifan (H)" Cc: Christoph Hellwig , Gao Xiang , linux-erofs@lists.ozlabs.org, linux-kernel@vger.kernel.org, yekelu1@huawei.com, jingrui@huawei.com, zhukeqian1@huawei.com, Ritesh Harjani , "Darrick J. Wong" , linux-xfs@vger.kernel.org, Joanne Koong Subject: Re: don't merge bios over iomap boundaries, was: Re: [PATCH] erofs: prevent buffered read bio merges across device chunks Message-ID: References: <20260612033244.993507-1-zhaoyifan28@huawei.com> <58bef9af-0926-4948-b917-e38c3793f596@linux.alibaba.com> Precedence: bulk X-Mailing-List: linux-xfs@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: X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Thu, Jun 18, 2026 at 03:16:03PM +0800, zhaoyifan (H) wrote: > Hi Christoph, > > > This patch works well under my workload (at least correctness-wise). Thanks. Thanks. Gao, do we need any erofs updates to go along with this to not regress behavior where it would have merged before?