From patchwork Mon Mar 1 16:14:53 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 389107 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=-18.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, 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 ED4ADC433E0 for ; Mon, 1 Mar 2021 20:35:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C47CB60238 for ; Mon, 1 Mar 2021 20:35:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231229AbhCAUe4 (ORCPT ); Mon, 1 Mar 2021 15:34:56 -0500 Received: from mail.kernel.org ([198.145.29.99]:48272 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S242256AbhCAU1d (ORCPT ); Mon, 1 Mar 2021 15:27:33 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7634765418; Mon, 1 Mar 2021 18:07:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1614622033; bh=KcIk4Kz2b8MBawrOW9nBScge22W/NWosoaZ++Q388m0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0D13jiPezL+FQL/yzTmxKy54Tnfmb8DUj2SiJ/t+1BNEEFMlyn7OZPLsRjrIlyQFI htSwfkZdKCpXwuFfP2mSGjR5zCDyoqVi8pj6+8Mn8w1EAQmetJc8hGjb+6gxbnof6P f6kiesl0WYSslzN95BF3N6KSfDCQEtsbaFD4ZrEI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Shinichiro Kawasaki , Damien Le Moal Subject: [PATCH 5.11 725/775] zonefs: Fix file size of zones in full condition Date: Mon, 1 Mar 2021 17:14:53 +0100 Message-Id: <20210301161237.166005493@linuxfoundation.org> X-Mailer: git-send-email 2.30.1 In-Reply-To: <20210301161201.679371205@linuxfoundation.org> References: <20210301161201.679371205@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Shin'ichiro Kawasaki commit 059c01039c0185dbee7ed080f1f2bd22cb1e4dab upstream. Per ZBC/ZAC/ZNS specifications, write pointers may not have valid values when zones are in full condition. However, when zonefs mounts a zoned block device, zonefs refers write pointers to set file size even when the zones are in full condition. This results in wrong file size. To fix this, refer maximum file size in place of write pointers for zones in full condition. Signed-off-by: Shin'ichiro Kawasaki Fixes: 8dcc1a9d90c1 ("fs: New zonefs file system") Cc: # 5.6+ Signed-off-by: Damien Le Moal Signed-off-by: Greg Kroah-Hartman --- fs/zonefs/super.c | 3 +++ 1 file changed, 3 insertions(+) --- a/fs/zonefs/super.c +++ b/fs/zonefs/super.c @@ -250,6 +250,9 @@ static loff_t zonefs_check_zone_conditio } inode->i_mode &= ~0222; return i_size_read(inode); + case BLK_ZONE_COND_FULL: + /* The write pointer of full zones is invalid. */ + return zi->i_max_size; default: if (zi->i_ztype == ZONEFS_ZTYPE_CNV) return zi->i_max_size;