From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BCEE7C04A6A for ; Mon, 24 Jul 2023 20:16:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229898AbjGXUQN (ORCPT ); Mon, 24 Jul 2023 16:16:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57704 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229479AbjGXUQM (ORCPT ); Mon, 24 Jul 2023 16:16:12 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F017C7; Mon, 24 Jul 2023 13:16:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Sender:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:Cc:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=tgMGRzESWkQ+jza5LIM+2YG5UUtrxuCLlNlof8Ub3HI=; b=O7F9hoVVXTS2psPy2k7JJ4s7IV IFRIFjXM/COmp3BhCSgJJIcqjslFLLiil0flagqfpYDSLagDfxTp1mMnXvkwm2dO9XAhtNcuGhvCW CjL28WFSFwTOaCPuYP9QVCU/w1XbZUJKIvL+kHSltzWxU2aDD7rT1907mwDx6mDoJEYlLeRrXmdMw 97GKTpo9aZaesc/sYpE0k17UAbn+xod3TYGf/H0f1sBRhOsRwB53FIEn93d9HMgD5LCGKg9m80Zid ollV6hUINPUnfmUSgmc0tnDaX9/1cj6QYZmrrNy8gBFixAvJArEZTKUDSgTEY8sHHb0hjsdUFGm1Z lHr8V6IA==; Received: from mcgrof by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1qO1yS-005MyN-1n; Mon, 24 Jul 2023 20:16:08 +0000 Date: Mon, 24 Jul 2023 13:16:08 -0700 From: Luis Chamberlain To: Christoph Hellwig Cc: Jens Axboe , "Darrick J. Wong" , Andrew Morton , Matthew Wilcox , Christian Brauner , linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 6/6] fs: add CONFIG_BUFFER_HEAD Message-ID: References: <20230720140452.63817-1-hch@lst.de> <20230720140452.63817-7-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230720140452.63817-7-hch@lst.de> Sender: Luis Chamberlain Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org On Thu, Jul 20, 2023 at 04:04:52PM +0200, Christoph Hellwig wrote: > Add a new config option that controls building the buffer_head code, and > select it from all file systems and stacking drivers that need it. > > For the block device nodes and alternative iomap based buffered I/O path > is provided when buffer_head support is not enabled, and iomap needs a > little tweak to be able to compile out the buffer_head based code path. > > Otherwise this is just Kconfig and ifdef changes. > > Signed-off-by: Christoph Hellwig Reviewed-by: Luis Chamberlain Luis