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=-19.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 35CB9C433DB for ; Wed, 24 Feb 2021 14:17:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DE4B164EEC for ; Wed, 24 Feb 2021 14:17:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236394AbhBXOQ0 (ORCPT ); Wed, 24 Feb 2021 09:16:26 -0500 Received: from mail.kernel.org ([198.145.29.99]:59886 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235318AbhBXNLR (ORCPT ); Wed, 24 Feb 2021 08:11:17 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 9AAE864FAB; Wed, 24 Feb 2021 12:55:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1614171330; bh=tTT3vaaLWFWUGeDSfPi7gBR6gJfFg8YTldsjtcflZV4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Xv/tzTloNmYxn0nmmMcyrL6Vp0udMenG866gLt7jaR9SA+AIudcpk20g9RJOZFIOD sXA+khe3qigtADTbltXAMpPErSvXygy/BFIRAj+rVSt5En/QrUgxfN0uqHdyA/LiBI x58GHPVX65Uzpsz5jYtljk4nCqnPOV5tzmMFbtM5Go1JgF/gYTXdH0dJGY7IgJpvyw ZlT2ccdrQUna7rt5QgqZepBrSP06BTuZBJO7pD7ZLWckCr9IgVJljMYJ4q982bbZY7 rrmrrmO/6ROvOVB7M9BU6Njb9xAAXJPzfJOFIytdhTwsTzhYb/AEeHozgy17+RuuKk 3CnOxInF5LmBw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jaegeuk Kim , Chao Yu , Sasha Levin , linux-f2fs-devel@lists.sourceforge.net Subject: [PATCH AUTOSEL 4.14 12/16] f2fs: handle unallocated section and zone on pinned/atgc Date: Wed, 24 Feb 2021 07:55:09 -0500 Message-Id: <20210224125514.483935-12-sashal@kernel.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210224125514.483935-1-sashal@kernel.org> References: <20210224125514.483935-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jaegeuk Kim [ Upstream commit 632faca72938f9f63049e48a8c438913828ac7a9 ] If we have large section/zone, unallocated segment makes them corrupted. E.g., - Pinned file: -1 119304647 119304647 - ATGC data: -1 119304647 119304647 Reviewed-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/segment.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h index 0d46e936d54ed..00c415131b069 100644 --- a/fs/f2fs/segment.h +++ b/fs/f2fs/segment.h @@ -91,11 +91,11 @@ #define BLKS_PER_SEC(sbi) \ ((sbi)->segs_per_sec * (sbi)->blocks_per_seg) #define GET_SEC_FROM_SEG(sbi, segno) \ - ((segno) / (sbi)->segs_per_sec) + (((segno) == -1) ? -1: (segno) / (sbi)->segs_per_sec) #define GET_SEG_FROM_SEC(sbi, secno) \ ((secno) * (sbi)->segs_per_sec) #define GET_ZONE_FROM_SEC(sbi, secno) \ - ((secno) / (sbi)->secs_per_zone) + (((secno) == -1) ? -1: (secno) / (sbi)->secs_per_zone) #define GET_ZONE_FROM_SEG(sbi, segno) \ GET_ZONE_FROM_SEC(sbi, GET_SEC_FROM_SEG(sbi, segno)) -- 2.27.0