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 kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id B0EAFC433EF for ; Thu, 23 Dec 2021 06:50:23 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 2B9C26B0072; Thu, 23 Dec 2021 01:50:23 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 242976B0073; Thu, 23 Dec 2021 01:50:23 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 0E4126B0074; Thu, 23 Dec 2021 01:50:23 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0154.hostedemail.com [216.40.44.154]) by kanga.kvack.org (Postfix) with ESMTP id EE23C6B0072 for ; Thu, 23 Dec 2021 01:50:22 -0500 (EST) Received: from smtpin27.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay04.hostedemail.com (Postfix) with ESMTP id 9916C89D47 for ; Thu, 23 Dec 2021 06:50:22 +0000 (UTC) X-FDA: 78948135084.27.AB88281 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) by imf04.hostedemail.com (Postfix) with ESMTP id 34E3F4002D for ; Thu, 23 Dec 2021 06:50:22 +0000 (UTC) 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=FXulMOdUSWeHSqwXEyniid+5V6MWFeV/fkkj9Viv3EM=; b=mI8mSZuTBPNqYl9udtoIbqtxQD OYFOAgEEYHp6MuyxoOHYKMidLFY3WYCwN4xbPmLtlKkXimshPZ1C9h5YpHOX9bT53XDV3OOCKuZiF sAi7LD1zDInFJlwxHHnxf78UqHAnwv4oNI0KovZKvypW61dfcSmhJqkjOQz5wONoyhb5PPqI+UPBl a+xvyz+TbIxcDg1N1vO6qatzipjm2pcePB8jnZT7no9aVR73C8ygJusEwpv9f1+6uHyTnlDYRt1EC JzONMPwrgmKG0xnTnrX5Ytjpf8qUX1GEqfYm7PvukXRDbfYW9J3LTwF1kmFvHkGVs6Yxk1os+rkmO zU9VqPaA==; Received: from hch by bombadil.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1n0Hvg-00Bwjq-QP; Thu, 23 Dec 2021 06:50:20 +0000 Date: Wed, 22 Dec 2021 22:50:20 -0800 From: Christoph Hellwig To: "Matthew Wilcox (Oracle)" Cc: linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH 02/48] fs/writeback: Convert inode_switch_wbs_work_fn to folios Message-ID: References: <20211208042256.1923824-1-willy@infradead.org> <20211208042256.1923824-3-willy@infradead.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211208042256.1923824-3-willy@infradead.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Stat-Signature: gpdoewae8ibdfnj1x3rom7iywh49t57i X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 34E3F4002D Authentication-Results: imf04.hostedemail.com; dkim=pass header.d=infradead.org header.s=bombadil.20210309 header.b=mI8mSZuT; spf=none (imf04.hostedemail.com: domain of BATV+873f21062ce73a87fae7+6696+infradead.org+hch@bombadil.srs.infradead.org has no SPF policy when checking 198.137.202.133) smtp.mailfrom=BATV+873f21062ce73a87fae7+6696+infradead.org+hch@bombadil.srs.infradead.org; dmarc=none X-HE-Tag: 1640242222-702057 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Dec 08, 2021 at 04:22:10AM +0000, Matthew Wilcox (Oracle) wrote: > This gets the statistics correct by modifying the counters by the > number of pages in the folio instead of by 1. We can't actually hit this for a multi-page folio yet, can we? So this should be more of a prep patch? Otherwise looks good: Reviewed-by: Christoph Hellwig