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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9F036CA0EE1 for ; Mon, 11 Sep 2023 22:00:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240764AbjIKV6r (ORCPT ); Mon, 11 Sep 2023 17:58:47 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54110 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240270AbjIKOkR (ORCPT ); Mon, 11 Sep 2023 10:40:17 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D89EF2 for ; Mon, 11 Sep 2023 07:40:12 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C4033C433C7; Mon, 11 Sep 2023 14:40:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1694443212; bh=YA8hM1jR1VjQqkVeE3nGAqqKa+0C6yAo57b2e8Brxa0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ts/PRlusBLLpl2SPyLEv9P4RwuF/ziwL77DOJDZ3JrTluBeakwRxSC8odMrpqdMLG kzXMPR2CahNOs6Yjg5EC1CEzVSRhxC3wApk262IxfXy/Ozwh6FOEZp/QfkMBYp4hvX VEOc9F2wND+px5eM5ftMhVFiNUnTb3az81f8LsGc= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Baokun Li , Jan Kara , Sasha Levin Subject: [PATCH 6.4 271/737] quota: factor out dquot_write_dquot() Date: Mon, 11 Sep 2023 15:42:10 +0200 Message-ID: <20230911134658.147100257@linuxfoundation.org> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230911134650.286315610@linuxfoundation.org> References: <20230911134650.286315610@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 6.4-stable review patch. If anyone has any objections, please let me know. ------------------ From: Baokun Li [ Upstream commit 024128477809f8073d870307c8157b8826ebfd08 ] Refactor out dquot_write_dquot() to reduce duplicate code. Signed-off-by: Baokun Li Signed-off-by: Jan Kara Message-Id: <20230630110822.3881712-2-libaokun1@huawei.com> Stable-dep-of: dabc8b207566 ("quota: fix dqput() to follow the guarantees dquot_srcu should provide") Signed-off-by: Sasha Levin --- fs/quota/dquot.c | 39 ++++++++++++++++----------------------- 1 file changed, 16 insertions(+), 23 deletions(-) diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c index e3e4f40476579..108ba9f1e4208 100644 --- a/fs/quota/dquot.c +++ b/fs/quota/dquot.c @@ -628,6 +628,18 @@ int dquot_scan_active(struct super_block *sb, } EXPORT_SYMBOL(dquot_scan_active); +static inline int dquot_write_dquot(struct dquot *dquot) +{ + int ret = dquot->dq_sb->dq_op->write_dquot(dquot); + if (ret < 0) { + quota_error(dquot->dq_sb, "Can't write quota structure " + "(error %d). Quota may get out of sync!", ret); + /* Clear dirty bit anyway to avoid infinite loop. */ + clear_dquot_dirty(dquot); + } + return ret; +} + /* Write all dquot structures to quota files */ int dquot_writeback_dquots(struct super_block *sb, int type) { @@ -658,16 +670,9 @@ int dquot_writeback_dquots(struct super_block *sb, int type) * use count */ dqgrab(dquot); spin_unlock(&dq_list_lock); - err = sb->dq_op->write_dquot(dquot); - if (err) { - /* - * Clear dirty bit anyway to avoid infinite - * loop here. - */ - clear_dquot_dirty(dquot); - if (!ret) - ret = err; - } + err = dquot_write_dquot(dquot); + if (err && !ret) + ret = err; dqput(dquot); spin_lock(&dq_list_lock); } @@ -765,8 +770,6 @@ static struct shrinker dqcache_shrinker = { */ void dqput(struct dquot *dquot) { - int ret; - if (!dquot) return; #ifdef CONFIG_QUOTA_DEBUG @@ -794,17 +797,7 @@ void dqput(struct dquot *dquot) if (dquot_dirty(dquot)) { spin_unlock(&dq_list_lock); /* Commit dquot before releasing */ - ret = dquot->dq_sb->dq_op->write_dquot(dquot); - if (ret < 0) { - quota_error(dquot->dq_sb, "Can't write quota structure" - " (error %d). Quota may get out of sync!", - ret); - /* - * We clear dirty bit anyway, so that we avoid - * infinite loop here - */ - clear_dquot_dirty(dquot); - } + dquot_write_dquot(dquot); goto we_slept; } if (test_bit(DQ_ACTIVE_B, &dquot->dq_flags)) { -- 2.40.1