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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 B9EB5C433E1 for ; Thu, 20 Aug 2020 13:31:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8B0B42072D for ; Thu, 20 Aug 2020 13:31:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597930282; bh=rOZmfox11fUmQvakmoBgObEEml7gBuYfZpBmV3cPfbM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=t0AzCWc9xBKQrZSTR8AJnftJ1GVD5ALdfg1dTqYTab+7fe5+I651nKUgaR0IIyKtc sV/nDjb89CWzZTqlomQGqxtldzF+9LrBuz75NIWGE2syA8Kv6vcWxepYRGKl08c9kk Om7lya56LvbLZ+Ovcxldyfz0Zy5PAP2+YPlwHwLA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728901AbgHTNbU (ORCPT ); Thu, 20 Aug 2020 09:31:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:45002 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728272AbgHTJce (ORCPT ); Thu, 20 Aug 2020 05:32:34 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 06FB822BEF; Thu, 20 Aug 2020 09:32:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597915954; bh=rOZmfox11fUmQvakmoBgObEEml7gBuYfZpBmV3cPfbM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=fuFN5He1zIBZY4WzSuACAmtTyZjGfLjXGK3nxX4XfH0719iQjm3KnI3Nr20Ol/5Wr xbFw2UkudGAYMiZ5ir2TJJhmv0Jkz9gPMQ3cMo8DI6JVEujHD9wCuY7ei6zHQg5PaT MStcHyHllepw4lFM4l/mv/D1B1g8NXCiRvIk0nxM= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chao Yu , Jaegeuk Kim , Sasha Levin Subject: [PATCH 5.8 163/232] f2fs: compress: fix to update isize when overwriting compressed file Date: Thu, 20 Aug 2020 11:20:14 +0200 Message-Id: <20200820091620.706719697@linuxfoundation.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200820091612.692383444@linuxfoundation.org> References: <20200820091612.692383444@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Chao Yu [ Upstream commit 944dd22ea4475bd11180fd2f431a4a547ca4d8f5 ] We missed to update isize of compressed file in write_end() with below case: cluster size is 16KB - write 14KB data from offset 0 - overwrite 16KB data from offset 0 Fixes: 4c8ff7095bef ("f2fs: support data compression") Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/data.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 326c63879ddc8..6e9017e6a8197 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -3432,6 +3432,10 @@ static int f2fs_write_end(struct file *file, if (f2fs_compressed_file(inode) && fsdata) { f2fs_compress_write_end(inode, fsdata, page->index, copied); f2fs_update_time(F2FS_I_SB(inode), REQ_TIME); + + if (pos + copied > i_size_read(inode) && + !f2fs_verity_in_progress(inode)) + f2fs_i_size_write(inode, pos + copied); return copied; } #endif -- 2.25.1