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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT 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 ACDD7C00454 for ; Mon, 9 Dec 2019 22:24:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 82CBD20637 for ; Mon, 9 Dec 2019 22:24:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575930240; bh=TaaCS8RTMLVqjYqfCHXD8HZCQIXSSSjJveEkKOckY4w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ItJJT8JxJLyLtMOJO5giJv8Nq57OurEgJ0ozKho+0xpVnLmCREJSQwWj+9FF4JsMX CRNXVqFNrP4ce7DYeDiCJ0r/Qj+57ZC60uuQO2Q3FClGK7LMVezDbDyT3yKVCRiKor /DfyN/FYpjWV9b+/nX90PFr6NUnu2OioqDytT8t4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726956AbfLIWXt (ORCPT ); Mon, 9 Dec 2019 17:23:49 -0500 Received: from mail.kernel.org ([198.145.29.99]:40550 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726483AbfLIWXs (ORCPT ); Mon, 9 Dec 2019 17:23:48 -0500 Received: from localhost (unknown [104.132.0.81]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2071320721; Mon, 9 Dec 2019 22:23:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575930228; bh=TaaCS8RTMLVqjYqfCHXD8HZCQIXSSSjJveEkKOckY4w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QEnd3J1oeG0+9T5erKTz7uO3O/W4upU6IBhql845eAAUb9M1shFMafFgW7msGEALi x8BqBGByDYM3xHhe+beDrAFBDqRPC4WbiGdKYT/QtdK9i1nLpVh9WmAkErHZuYnOVH VJb7p6YckhqOTppjiXn/BsBoQcBSpfGpSxKxcxzM= From: Jaegeuk Kim To: linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net Cc: Jaegeuk Kim Subject: [PATCH 3/6] f2fs: keep quota data on write_begin failure Date: Mon, 9 Dec 2019 14:23:42 -0800 Message-Id: <20191209222345.1078-3-jaegeuk@kernel.org> X-Mailer: git-send-email 2.19.0.605.g01d371f741-goog In-Reply-To: <20191209222345.1078-1-jaegeuk@kernel.org> References: <20191209222345.1078-1-jaegeuk@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch avoids some unnecessary locks for quota files when write_begin fails. Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index fc40a72f7827..3b2945121557 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -2600,14 +2600,16 @@ static void f2fs_write_failed(struct address_space *mapping, loff_t to) struct inode *inode = mapping->host; loff_t i_size = i_size_read(inode); + if (IS_NOQUOTA(inode)) + return; + /* In the fs-verity case, f2fs_end_enable_verity() does the truncate */ if (to > i_size && !f2fs_verity_in_progress(inode)) { down_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); down_write(&F2FS_I(inode)->i_mmap_sem); truncate_pagecache(inode, i_size); - if (!IS_NOQUOTA(inode)) - f2fs_truncate_blocks(inode, i_size, true); + f2fs_truncate_blocks(inode, i_size, true); up_write(&F2FS_I(inode)->i_mmap_sem); up_write(&F2FS_I(inode)->i_gc_rwsem[WRITE]); -- 2.19.0.605.g01d371f741-goog