From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=213.95.11.211 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793961982; b=Qq3bnZxX+3IGrZq12Lfc16SzpgKLgCXa7T4TKmV8tOQGwHFowA/LxRUfw5DgrIi5xRs3 5hXh3hqn6e3ZvvDXOB+ljk/HNQjDMZoD6CpRAXHCT/Q6gHb0QpJxzVDxV3Hl79KZ16rQg 4mA9rAj37mYxI3ajUzMd2Oc2II8m+0NwEtYeMLmn5wXaiQ1+pNtlWHoDdj+L1vAhX4D4s pNQdsiy09KMi+KfSu1w04zjrfk9sRo6kfDeLkA0wSh90UO5KbGKNeWoZpVr63extHFZ9a h4HWKYMV0wPebWryHV7sMjatNF0R0kwQvssLoqahOK3ZT2ZXL3m4gUW7EC587TneISA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793961982; h=DMARC-Filter:Received:Date:From:To:Cc:Subject:Message-ID:References: MIME-Version:Content-Type:Content-Disposition:In-Reply-To:User-Agent; bh=J7UI5nLZkT5qt8k8Tf21m5WtN/wrTPJmSDvwvBhEOrg=; b=l2nB1SnT+sMNO7hWFd0IQXg/iJO5ZnXklU6a9gG7hZibiPixMVuJlnycErI1Xh5C1EdM ImNBvGzzktaYYYe+MKVuUzgUlpG3AO+Wk2FRNkVr/0zhbRg0+RIRAUqIEa/87hxWhB6Ia fq3GNHdBqpzCWjcGUDbMXN3/rtcqs+bBWyev8CTh0/I2wzaBafu0p4CvgYw/46O5P6KCc PU/i75puA2guGrF5dC+0VbiaC0OnF9qGjTLtYW/eCaApzzT1lgzmG34MUL9cfajtYq36o 1wTRiL8r1XJ5Uc6BVuhcTVxpkY6xziu1/kjmC4gWtiC+o67d7MvpbBiwHXGf0Kx10Rg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.remote-ip=213.95.11.211 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 328AB606A32D for ; Fri, 6 Nov 2026 10:46:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 328AB606A32D Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id 7C39768BEB; Fri, 6 Nov 2026 11:46:17 +0100 (CET) Date: Fri, 6 Nov 2026 11:46:17 +0100 From: Christoph Hellwig To: Heming Zhao Cc: joseph.qi@linux.alibaba.com, mark@fasheh.com, jlbec@evilplan.org, hch@lst.de, ocfs2-devel@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [RFC PATCH v5 0/4] migrates ocfs2 DIO from buffer_head to iomap Message-ID: <20261106104617.GA5746@lst.de> References: <20261105071930.16399-1-heming.zhao@suse.com> X-Mailing-List: ocfs2-devel@lists.linux.dev List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261105071930.16399-1-heming.zhao@suse.com> User-Agent: Mutt/1.5.17 (2007-11-01) s/migrates/migrate/ I think. On Thu, Nov 05, 2026 at 03:19:24PM +0800, Heming Zhao wrote: > To simplify iomap development, we currently adopt the simplest approach: > retaining the buffer_head style, where only one cluster is allocated > per iomap_begin() call. Do you mean you'd otherwise need changes to the core iomap code? Or do I misunderstand the sentence.