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=-9.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 8CA42C433E7 for ; Sun, 18 Oct 2020 02:02:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DE6D52063A for ; Sun, 18 Oct 2020 02:02:44 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=yandex-team.ru header.i=@yandex-team.ru header.b="emJMJrMv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2439914AbgJRCCn (ORCPT ); Sat, 17 Oct 2020 22:02:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43384 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2439906AbgJRCCn (ORCPT ); Sat, 17 Oct 2020 22:02:43 -0400 Received: from forwardcorp1o.mail.yandex.net (forwardcorp1o.mail.yandex.net [IPv6:2a02:6b8:0:1a2d::193]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 02B96C0613CE for ; Sat, 17 Oct 2020 19:02:42 -0700 (PDT) Received: from sas1-5717c3cea310.qloud-c.yandex.net (sas1-5717c3cea310.qloud-c.yandex.net [IPv6:2a02:6b8:c14:3616:0:640:5717:c3ce]) by forwardcorp1o.mail.yandex.net (Yandex) with ESMTP id CCBA72E156C; Sun, 18 Oct 2020 05:02:37 +0300 (MSK) Received: from sas1-58a37b48fb94.qloud-c.yandex.net (sas1-58a37b48fb94.qloud-c.yandex.net [2a02:6b8:c08:1d1b:0:640:58a3:7b48]) by sas1-5717c3cea310.qloud-c.yandex.net (mxbackcorp/Yandex) with ESMTP id BWTjuw46qN-2bwqLFfv; Sun, 18 Oct 2020 05:02:37 +0300 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yandex-team.ru; s=default; t=1602986557; bh=YmygUld5Ig7axCaZcTX+o1aYUY3/4H51Sac6Eu4BW00=; h=Message-Id:Date:Subject:To:From:Cc; b=emJMJrMvOnWe+iBRMYNKEVyvWYSJSLk897QcQUSmUwCp4EhhhPTMERhfNdvkP49UH tIJQr4B6DznLDc3Hfjl5DhmTNksm2nq2PGO1pNRTNQigUeHWLQYwwa9g/2VA6unIpB caanfKkMX1C1QquO9HQ4ZkPP0br9OHdb3E3RziHk= Authentication-Results: sas1-5717c3cea310.qloud-c.yandex.net; dkim=pass header.i=@yandex-team.ru Received: from kernel1.search.yandex.net (kernel1.search.yandex.net [2a02:6b8:c02:550:0:604:9094:6282]) by sas1-58a37b48fb94.qloud-c.yandex.net (smtpcorp/Yandex) with ESMTPSA id y7TVDq6VSC-2bm4clTI; Sun, 18 Oct 2020 05:02:37 +0300 (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (Client certificate not present) From: Roman Anufriev To: linux-ext4@vger.kernel.org Cc: tytso@mit.edu, jack@suse.cz, dmtrmonakhov@yandex-team.ru, dotdot@yandex-team.ru Subject: [PATCH v2 1/2] ext4: add helpers for checking whether quota can be enabled/is journalled Date: Sun, 18 Oct 2020 05:02:26 +0300 Message-Id: <1602986547-15886-1-git-send-email-dotdot@yandex-team.ru> Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org Right now, there are several places, where we check whether fs is capable of enabling quota or if quota is journalled with quite long and non-self-descriptive condition statements. This patch wraps these statements into helpers for better readability and easier usage. Signed-off-by: Roman Anufriev --- Changes in v2: - Fix misleading helper name 'ext4_any_quota_enabled()' -> 'ext4_quota_capable()'. fs/ext4/ext4.h | 15 +++++++++++++++ fs/ext4/ext4_jbd2.h | 9 +++------ fs/ext4/super.c | 5 +---- 3 files changed, 19 insertions(+), 10 deletions(-) diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 250e905..897df24 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -3251,6 +3251,21 @@ static inline void ext4_unlock_group(struct super_block *sb, spin_unlock(ext4_group_lock_ptr(sb, group)); } +#ifdef CONFIG_QUOTA +static inline bool ext4_quota_capable(struct super_block *sb) +{ + return (test_opt(sb, QUOTA) || ext4_has_feature_quota(sb)); +} + +static inline bool ext4_is_quota_journalled(struct super_block *sb) +{ + struct ext4_sb_info *sbi = EXT4_SB(sb); + + return (ext4_has_feature_quota(sb) || + sbi->s_qf_names[USRQUOTA] || sbi->s_qf_names[GRPQUOTA]); +} +#endif + /* * Block validity checking */ diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h index 00dc668..a124c68 100644 --- a/fs/ext4/ext4_jbd2.h +++ b/fs/ext4/ext4_jbd2.h @@ -86,17 +86,14 @@ #ifdef CONFIG_QUOTA /* Amount of blocks needed for quota update - we know that the structure was * allocated so we need to update only data block */ -#define EXT4_QUOTA_TRANS_BLOCKS(sb) ((test_opt(sb, QUOTA) ||\ - ext4_has_feature_quota(sb)) ? 1 : 0) +#define EXT4_QUOTA_TRANS_BLOCKS(sb) ((ext4_quota_capable(sb)) ? 1 : 0) /* Amount of blocks needed for quota insert/delete - we do some block writes * but inode, sb and group updates are done only once */ -#define EXT4_QUOTA_INIT_BLOCKS(sb) ((test_opt(sb, QUOTA) ||\ - ext4_has_feature_quota(sb)) ?\ +#define EXT4_QUOTA_INIT_BLOCKS(sb) ((ext4_quota_capable(sb)) ?\ (DQUOT_INIT_ALLOC*(EXT4_SINGLEDATA_TRANS_BLOCKS(sb)-3)\ +3+DQUOT_INIT_REWRITE) : 0) -#define EXT4_QUOTA_DEL_BLOCKS(sb) ((test_opt(sb, QUOTA) ||\ - ext4_has_feature_quota(sb)) ?\ +#define EXT4_QUOTA_DEL_BLOCKS(sb) ((ext4_quota_capable(sb)) ?\ (DQUOT_DEL_ALLOC*(EXT4_SINGLEDATA_TRANS_BLOCKS(sb)-3)\ +3+DQUOT_DEL_REWRITE) : 0) #else diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 9d01318..a988cf3 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -6158,11 +6158,8 @@ static int ext4_release_dquot(struct dquot *dquot) static int ext4_mark_dquot_dirty(struct dquot *dquot) { struct super_block *sb = dquot->dq_sb; - struct ext4_sb_info *sbi = EXT4_SB(sb); - /* Are we journaling quotas? */ - if (ext4_has_feature_quota(sb) || - sbi->s_qf_names[USRQUOTA] || sbi->s_qf_names[GRPQUOTA]) { + if (ext4_is_quota_journalled(sb)) { dquot_mark_dquot_dirty(dquot); return ext4_write_dquot(dquot); } else { -- 2.7.4