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[2620:137:e000::3:5]) by mx.google.com with ESMTPS id z11-20020a65610b000000b005c6125b1733si6611207pgu.538.2023.12.11.17.01.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Dec 2023 17:01:59 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) client-ip=2620:137:e000::3:5; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=I2q6tOdU; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:5 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id 33BC3809BBB1; Mon, 11 Dec 2023 17:01:54 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345638AbjLLBBc (ORCPT + 99 others); Mon, 11 Dec 2023 20:01:32 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48940 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345607AbjLLBB2 (ORCPT ); Mon, 11 Dec 2023 20:01:28 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10CB2D5 for ; Mon, 11 Dec 2023 17:01:35 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EA6BFC433D9; Tue, 12 Dec 2023 01:01:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1702342894; bh=DrRCtSU9Med/4mNPeKjZBCg4NO0v5bfD2LI1x2498Ro=; h=From:To:Cc:Subject:Date:From; b=I2q6tOdUhiF2BJ+rjT9VpBsT14FW6c23EoiwvIA2L1t1MLNRdzr6H0s9UBVj4T7rB pY612ksKEzLFn+MUp5S0qyGRPpZGgonHLD53GTvgMXkg1z/3CsySAnxdp7fcO694fQ nRhWpUBP5x8xwn9kzCDpLlykJ2SIuub7ReJE+ts9wkcUzLuLIt4N5SV+FgsIjgHYGl /PRViobbNd6NMXEEBbp/BM27dzDUUvRL15qVetouptMuiZfL+pwubEPQ2zCqOiftg7 A0Ro1AXWSgz28JivX75bUnaBndUAWKCFmpLn4X0OuaOJbwOYhNNTpxwvbI1UsTP2Zx 8BdRdxWNGPxDA== From: Chao Yu To: jaegeuk@kernel.org Cc: linux-f2fs-devel@lists.sourceforge.net, linux-kernel@vger.kernel.org, Chao Yu , Eric Biggers Subject: [PATCH v2 4/6] f2fs: don't set FI_PREALLOCATED_ALL for partial write Date: Tue, 12 Dec 2023 09:01:20 +0800 Message-Id: <20231212010120.252763-1-chao@kernel.org> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Mon, 11 Dec 2023 17:01:54 -0800 (PST) In f2fs_preallocate_blocks(), if it is partial write in 4KB, it's not necessary to call f2fs_map_blocks() and set FI_PREALLOCATED_ALL flag. Cc: Eric Biggers Signed-off-by: Chao Yu --- v2: - clean up codes fs/f2fs/file.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 79d5b64c109c..026d05a7edd8 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -4567,7 +4567,8 @@ static int f2fs_preallocate_blocks(struct kiocb *iocb, struct iov_iter *iter, if (map.m_len > map.m_lblk) map.m_len -= map.m_lblk; else - map.m_len = 0; + return 0; + map.m_may_create = true; if (dio) { map.m_seg_type = f2fs_rw_hint_to_seg_type(inode->i_write_hint); -- 2.40.1