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 lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B9D63C4708C for ; Thu, 1 Dec 2022 07:43:16 +0000 (UTC) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4NN7NM0t3Lz3bbh for ; Thu, 1 Dec 2022 18:43:15 +1100 (AEDT) Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linux.alibaba.com (client-ip=115.124.30.45; helo=out30-45.freemail.mail.aliyun.com; envelope-from=jefflexu@linux.alibaba.com; receiver=) Received: from out30-45.freemail.mail.aliyun.com (out30-45.freemail.mail.aliyun.com [115.124.30.45]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4NN7N835mgz30R8 for ; Thu, 1 Dec 2022 18:43:03 +1100 (AEDT) X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R181e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046051;MF=jefflexu@linux.alibaba.com;NM=1;PH=DS;RN=4;SR=0;TI=SMTPD_---0VW7ouC6_1669880578; Received: from localhost(mailfrom:jefflexu@linux.alibaba.com fp:SMTPD_---0VW7ouC6_1669880578) by smtp.aliyun-inc.com; Thu, 01 Dec 2022 15:42:59 +0800 From: Jingbo Xu To: xiang@kernel.org, chao@kernel.org, linux-erofs@lists.ozlabs.org Subject: [PATCH v4 2/2] erofs: enable large folios for fscache mode Date: Thu, 1 Dec 2022 15:42:56 +0800 Message-Id: <20221201074256.16639-3-jefflexu@linux.alibaba.com> X-Mailer: git-send-email 2.19.1.6.gb485710b In-Reply-To: <20221201074256.16639-1-jefflexu@linux.alibaba.com> References: <20221201074256.16639-1-jefflexu@linux.alibaba.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linux-erofs@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development of Linux EROFS file system List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-kernel@vger.kernel.org Errors-To: linux-erofs-bounces+linux-erofs=archiver.kernel.org@lists.ozlabs.org Sender: "Linux-erofs" Enable large folios for fscache mode. Enable this feature for non-compressed format for now, until the compression part supports large folios later. One thing worth noting is that, the feature is not enabled for the meta data routine since meta inodes don't need large folios for now, nor do they support readahead yet. Also document this new feature. Signed-off-by: Jingbo Xu Reviewed-by: Jia Zhu --- Documentation/filesystems/erofs.rst | 2 ++ fs/erofs/inode.c | 3 +-- 2 files changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/filesystems/erofs.rst b/Documentation/filesystems/erofs.rst index 82af67fdaf99..1c1f7404b338 100644 --- a/Documentation/filesystems/erofs.rst +++ b/Documentation/filesystems/erofs.rst @@ -72,6 +72,8 @@ Here are the main features of EROFS: - Support merging tail-end data into a special inode as fragments. + - Support large folios for uncompressed files. + - Support direct I/O on uncompressed files to avoid double caching for loop devices; diff --git a/fs/erofs/inode.c b/fs/erofs/inode.c index e457b8a59ee7..85932086d23f 100644 --- a/fs/erofs/inode.c +++ b/fs/erofs/inode.c @@ -295,8 +295,7 @@ static int erofs_fill_inode(struct inode *inode) goto out_unlock; } inode->i_mapping->a_ops = &erofs_raw_access_aops; - if (!erofs_is_fscache_mode(inode->i_sb)) - mapping_set_large_folios(inode->i_mapping); + mapping_set_large_folios(inode->i_mapping); #ifdef CONFIG_EROFS_FS_ONDEMAND if (erofs_is_fscache_mode(inode->i_sb)) inode->i_mapping->a_ops = &erofs_fscache_access_aops; -- 2.19.1.6.gb485710b