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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 3FE81C3815B for ; Wed, 15 Apr 2020 13:10:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1560120737 for ; Wed, 15 Apr 2020 13:10:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586956256; bh=z2JrKhRoKKS+q6sD+25g7H8YHyXTUOaWkucZGm0Hnhg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Jz6WrzNu6cxL/6m0O/rGEB4HE9LEagGiQoXtzV6ntOtEdT6D0YPYMVTCp94hFYnln 5E1Ga5fBSUYL2ssbIM8CD5iq9S5iZ509qfNhjT+NIWHGjlIWurbFvqJUdVKS/JeHbV yCXFxi15TkJN4sSpoVQWkfIZw2Dvf6lj2ftQT7A0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2506066AbgDONKw (ORCPT ); Wed, 15 Apr 2020 09:10:52 -0400 Received: from mail.kernel.org ([198.145.29.99]:55008 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2897069AbgDOLfj (ORCPT ); Wed, 15 Apr 2020 07:35:39 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 06D84214AF; Wed, 15 Apr 2020 11:35:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586950538; bh=z2JrKhRoKKS+q6sD+25g7H8YHyXTUOaWkucZGm0Hnhg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ARV1J8j9WhAIFeB+TZVMJz0tozcxA0hewsYEVEfPk+J3m7JQ/mpz1CX2QhhKn1555 ySh4beyq0w0XOoMLLBHwoDTkuqlUT5YydEftn22CvjH4c13eccj0RFN9hrc9WKPHS8 yY5wKS38ToXzgQzW3M+QG70SBKOqDa2WoXb6Ji8M= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Sahitya Tummala , Chao Yu , Jaegeuk Kim , Sasha Levin , linux-f2fs-devel@lists.sourceforge.net Subject: [PATCH AUTOSEL 5.6 046/129] f2fs: Add a new CP flag to help fsck fix resize SPO issues Date: Wed, 15 Apr 2020 07:33:21 -0400 Message-Id: <20200415113445.11881-46-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200415113445.11881-1-sashal@kernel.org> References: <20200415113445.11881-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Sahitya Tummala [ Upstream commit c84ef3c5e65ccf99a7a91a4d731ebb5d6331a178 ] Add and set a new CP flag CP_RESIZEFS_FLAG during online resize FS to help fsck fix the metadata mismatch that may happen due to SPO during resize, where SB got updated but CP data couldn't be written yet. fsck errors - Info: CKPT version = 6ed7bccb Wrong user_block_count(2233856) [f2fs_do_mount:3365] Checkpoint is polluted Signed-off-by: Sahitya Tummala Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/checkpoint.c | 8 ++++++-- include/linux/f2fs_fs.h | 1 + 2 files changed, 7 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 9c88fb3d255a2..79aaf06004f65 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -1301,10 +1301,14 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc) else __clear_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG); - if (is_sbi_flag_set(sbi, SBI_NEED_FSCK) || - is_sbi_flag_set(sbi, SBI_IS_RESIZEFS)) + if (is_sbi_flag_set(sbi, SBI_NEED_FSCK)) __set_ckpt_flags(ckpt, CP_FSCK_FLAG); + if (is_sbi_flag_set(sbi, SBI_IS_RESIZEFS)) + __set_ckpt_flags(ckpt, CP_RESIZEFS_FLAG); + else + __clear_ckpt_flags(ckpt, CP_RESIZEFS_FLAG); + if (is_sbi_flag_set(sbi, SBI_CP_DISABLED)) __set_ckpt_flags(ckpt, CP_DISABLED_FLAG); else diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index ac3f4888b3dfa..3c383ddd92ddd 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -125,6 +125,7 @@ struct f2fs_super_block { /* * For checkpoint */ +#define CP_RESIZEFS_FLAG 0x00004000 #define CP_DISABLED_QUICK_FLAG 0x00002000 #define CP_DISABLED_FLAG 0x00001000 #define CP_QUOTA_NEED_FSCK_FLAG 0x00000800 -- 2.20.1