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 8AE74C4167D for ; Tue, 12 Dec 2023 01:01:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345631AbjLLBBd (ORCPT ); Mon, 11 Dec 2023 20:01:33 -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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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