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 X-Spam-Level: X-Spam-Status: No, score=-10.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D472AC433DB for ; Tue, 9 Mar 2021 20:51:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A041D6522E for ; Tue, 9 Mar 2021 20:51:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231781AbhCIUuf (ORCPT ); Tue, 9 Mar 2021 15:50:35 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229948AbhCIUuU (ORCPT ); Tue, 9 Mar 2021 15:50:20 -0500 Received: from mail-il1-x12c.google.com (mail-il1-x12c.google.com [IPv6:2607:f8b0:4864:20::12c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A91DC06175F for ; Tue, 9 Mar 2021 12:50:20 -0800 (PST) Received: by mail-il1-x12c.google.com with SMTP id b5so13429047ilq.10 for ; Tue, 09 Mar 2021 12:50:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:cc:references:from:message-id:date:user-agent :mime-version:in-reply-to:content-language:content-transfer-encoding; bh=T8Beol1vwvugLcX6dyhYM7QV2XmUWY2CELTq49rlsJk=; b=D4CmLh/h2w/J1i0VPcOxlMFzEuqzUjkpZtNtGOHi/2VTPRS7Z4qe8S9++KSJqtONh2 GOPmuiR+6JbHCGHAK13IqjCjXyDgT+XXLFglPrNmHuLwPgKTq7CqhnBpQJQ70AMRdJjx 9AcgAFs/YLmF9GzqzhmbtkFISp6+3GH3IngohIJDFQBaAml64P+bL1kaBQDvjiHAD+nZ ylIvnP/ECzkcH6FTu/Eq8i3heCzxDc+WojQ+JLZxZg36GU20orXdHOUYWfHzCBedmaED sMWf4IbjzJFW7nkYDaVelbHDETMOt1gMYXO8haqGobcIHTaasa4OPllmCpVlfRC4Ix3c YTuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:subject:to:cc:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=T8Beol1vwvugLcX6dyhYM7QV2XmUWY2CELTq49rlsJk=; b=nqo1oNkgeYfVuu7Ait76aQT2G99ju7M0IXSGnvti+/ZC/P4mt9TEVreKqokyn8kg1D oXIxIh2llCy935Qp2OUAj3n6hzVSWLHur4XLn8uaVkHIR4hj5AXIRdOXxWNLC0i0QTPH uQDvYOfd9GRGMhQmfu1I7hvsPacQEoy/ra5LNTT+EHCA2RqQmWdQTPgsJid5nZ5Tph+N Uz2954y6aDlgDeu9FcJe+QiWF/gMmJx0zn42nojWttqk3fwWjMyD1rO3jFsPVo8x3iZt yCkIeXoZEdtYBlLP2Uf6x7bX7Z7Z/TtkzObqEGNo6Xlqfr+Z3CjbilOrpadR8U4CRhrX qS3Q== X-Gm-Message-State: AOAM530aUidz+RplDjlehcZCHMPPWHfTj5LF/Z+7TCjcffuSS8Vl9Kzj u2J8felMyVTh7S9UdLR9luDt/Q== X-Google-Smtp-Source: ABdhPJzL4us6wU9N46CCAROdfi7JEXE1HxM1m4J4+Smd3ru46Jtr3H8nfy06m2kjHYjK9tiAsRTGag== X-Received: by 2002:a92:ddd0:: with SMTP id d16mr45367ilr.52.1615323019838; Tue, 09 Mar 2021 12:50:19 -0800 (PST) Received: from [192.168.1.30] ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id c19sm8079624ile.17.2021.03.09.12.50.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 09 Mar 2021 12:50:19 -0800 (PST) Subject: Re: [PATCH v2] include: Remove pagemap.h from blkdev.h To: "Matthew Wilcox (Oracle)" , Andrew Morton , linux-mm@kvack.org Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvdimm@lists.01.org, linux-scsi@vger.kernel.org References: <20210309195747.283796-1-willy@infradead.org> From: Jens Axboe Message-ID: Date: Tue, 9 Mar 2021 13:50:18 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210309195747.283796-1-willy@infradead.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 3/9/21 12:57 PM, Matthew Wilcox (Oracle) wrote: > My UEK-derived config has 1030 files depending on pagemap.h before > this change. Afterwards, just 326 files need to be rebuilt when I > touch pagemap.h. I think blkdev.h is probably included too widely, > but untangling that dependency is harder and this solves my problem. > x86 allmodconfig builds, but there may be implicit include problems > on other architectures. For the block bits: Acked-by: Jens Axboe -- Jens Axboe