From patchwork Fri Mar 22 06:03:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhiguo Niu X-Patchwork-Id: 13599647 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 lists.sourceforge.net (lists.sourceforge.net [216.105.38.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id AF873C54E71 for ; Fri, 22 Mar 2024 06:04:14 +0000 (UTC) Received: from [127.0.0.1] (helo=sfs-ml-4.v29.lw.sourceforge.com) by sfs-ml-4.v29.lw.sourceforge.com with esmtp (Exim 4.95) (envelope-from ) id 1rnY0i-0005OU-Eu; Fri, 22 Mar 2024 06:04:12 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLS1.2) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.95) (envelope-from ) id 1rnY0g-0005ON-Ge for linux-f2fs-devel@lists.sourceforge.net; Fri, 22 Mar 2024 06:04:10 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Type:MIME-Version:Message-ID:Date:Subject: CC:To:From:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:In-Reply-To:References:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=VtC/YVu6XzE84dntAhY1j7UFHanWCYhwTekFoRytlZU=; b=A4AaLjp20nNDItNpx1fWBZvoRn Wa+D9PrsiBw8kOvNyzWGUfnkHvKZV2+xVjAK+G0yN4DiRonVRnAFPPsbO3Cn7csviqw4P5+yB+4NN 1ev8Sz2spc1pX3pIRnTDILvbKGoMLg6TiPFgkrcgKD2qpLv0Ku1DcRPgVbe4l6yY5eLk=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Type:MIME-Version:Message-ID:Date:Subject:CC:To:From:Sender: Reply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To: References:List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post: List-Owner:List-Archive; bh=VtC/YVu6XzE84dntAhY1j7UFHanWCYhwTekFoRytlZU=; b=b Yt1B92QuzhRNx7S8il+CW2ZfQs5FTAZAV84qIOiI6AUeefagMSVlLMNUVo72JD3JbGkEozYZGhMgO 0kftbUSsoJzo3hL8R6dsJd8cSJNcLMwVRAhEO88MD4WVjiPrzv8KYpn+vWJ6aPM5YFYRYDGzEXV9z e9fgQFOxub4Rp/JQ=; Received: from mx1.unisoc.com ([222.66.158.135] helo=SHSQR01.spreadtrum.com) by sfi-mx-2.v28.lw.sourceforge.com with esmtps (TLS1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.95) id 1rnY0f-0001ny-BZ for linux-f2fs-devel@lists.sourceforge.net; Fri, 22 Mar 2024 06:04:10 +0000 Received: from dlp.unisoc.com ([10.29.3.86]) by SHSQR01.spreadtrum.com with ESMTP id 42M63LJl093516; Fri, 22 Mar 2024 14:03:21 +0800 (+08) (envelope-from Zhiguo.Niu@unisoc.com) Received: from SHDLP.spreadtrum.com (bjmbx02.spreadtrum.com [10.0.64.8]) by dlp.unisoc.com (SkyGuard) with ESMTPS id 4V1BY828Zkz2Lj488; Fri, 22 Mar 2024 14:01:48 +0800 (CST) Received: from bj08434pcu.spreadtrum.com (10.0.73.87) by BJMBX02.spreadtrum.com (10.0.64.8) with Microsoft SMTP Server (TLS) id 15.0.1497.23; Fri, 22 Mar 2024 14:03:19 +0800 From: Zhiguo Niu To: , Date: Fri, 22 Mar 2024 14:03:10 +0800 Message-ID: <1711087390-23645-1-git-send-email-zhiguo.niu@unisoc.com> X-Mailer: git-send-email 1.9.1 MIME-Version: 1.0 X-Originating-IP: [10.0.73.87] X-ClientProxiedBy: SHCAS01.spreadtrum.com (10.0.1.201) To BJMBX02.spreadtrum.com (10.0.64.8) X-MAIL: SHSQR01.spreadtrum.com 42M63LJl093516 X-Headers-End: 1rnY0f-0001ny-BZ Subject: [f2fs-dev] [PATCH] f2fs: fix to adjust appropirate defragment pg_end X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ke.wang@unisoc.com, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, hongyu.jin@unisoc.com, zhiguo.niu@unisoc.com Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net A length that exceeds the real size of the inode may be specified from user, although these out-of-range areas are not mapped, but they still need to be check in while loop, which is unnecessary. Signed-off-by: Zhiguo Niu --- fs/f2fs/file.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index 128e53d..0e7eac6 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -2609,7 +2609,9 @@ static int f2fs_defragment_range(struct f2fs_sb_info *sbi, int err; pg_start = range->start >> PAGE_SHIFT; - pg_end = (range->start + range->len) >> PAGE_SHIFT; + pg_end = min_t(pgoff_t, + (range->start + range->len) >> PAGE_SHIFT, + DIV_ROUND_UP(i_size_read(inode), PAGE_SIZE)); f2fs_balance_fs(sbi, true);