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 4B25BC433EF for ; Sun, 2 Jan 2022 04:00:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230014AbiABEAa (ORCPT ); Sat, 1 Jan 2022 23:00:30 -0500 Received: from out30-130.freemail.mail.aliyun.com ([115.124.30.130]:42347 "EHLO out30-130.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229955AbiABEA3 (ORCPT ); Sat, 1 Jan 2022 23:00:29 -0500 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R851e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e01424;MF=hsiangkao@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0V0Xfdc3_1641096018; Received: from e18g06460.et15sqa.tbsite.net(mailfrom:hsiangkao@linux.alibaba.com fp:SMTPD_---0V0Xfdc3_1641096018) by smtp.aliyun-inc.com(127.0.0.1); Sun, 02 Jan 2022 12:00:27 +0800 From: Gao Xiang To: linux-erofs@lists.ozlabs.org, Chao Yu , Liu Bo Cc: LKML , Yue Hu , Gao Xiang Subject: [PATCH v2 0/5] erofs: get rid of erofs_get_meta_page() Date: Sun, 2 Jan 2022 12:00:12 +0800 Message-Id: <20220102040017.51352-1-hsiangkao@linux.alibaba.com> X-Mailer: git-send-email 2.24.4 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi folks, erofs_get_meta_page() is actually inflexible since it's too close to the page itself. In order to prepare for folio and subpage features, introduce on-stack meta buffer descriptor instead and convert all erofs_get_meta_page() users to use it. It can also be used for new potential backends such as fscache or mtd. Patches are trivial. Thanks, Gao Xiang changes since v1: - fix unbalanced put_metabuf in xattrs. Gao Xiang (5): erofs: introduce meta buffer operations erofs: use meta buffers for inode operations erofs: use meta buffers for super operations erofs: use meta buffers for xattr operations erofs: use meta buffers for zmap operations fs/erofs/data.c | 102 +++++++++++++++++++++++---------- fs/erofs/inode.c | 68 +++++++++++----------- fs/erofs/internal.h | 22 +++++++- fs/erofs/super.c | 105 +++++++++------------------------- fs/erofs/xattr.c | 134 +++++++++++++------------------------------- fs/erofs/zdata.c | 23 +++----- fs/erofs/zmap.c | 56 ++++++------------ 7 files changed, 214 insertions(+), 296 deletions(-) -- 2.24.4