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=-9.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,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 99E9DC2BB55 for ; Wed, 15 Apr 2020 11:44:43 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 6C08C20768; Wed, 15 Apr 2020 11:44:43 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sourceforge.net header.i=@sourceforge.net header.b="QixfHNMt"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=sf.net header.i=@sf.net header.b="CPAoUPyy"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="Ckt8K8b7" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6C08C20768 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linux-f2fs-devel-bounces@lists.sourceforge.net 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 4.90_1) (envelope-from ) id 1jOgTB-0000q7-UZ; Wed, 15 Apr 2020 11:44:41 +0000 Received: from [172.30.20.202] (helo=mx.sourceforge.net) by sfs-ml-4.v29.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jOgTA-0000pz-CN for linux-f2fs-devel@lists.sourceforge.net; Wed, 15 Apr 2020 11:44:40 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sourceforge.net; s=x; h=Content-Transfer-Encoding:MIME-Version:References: In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help:List-Unsubscribe: List-Subscribe:List-Post:List-Owner:List-Archive; bh=f3AINwKbLGlReiYGAZmgu5ZS0hX7ByeBzyb/hr/sH48=; b=QixfHNMtF+4zKALmNZBTUSAgMF m5CpP+GkNiUEP7ViybyV2lZuVQE4qOFs3MiFBa1H+B5YCKaa69FOg1QFSw7nBKly4xJTzzdmz85AO DdyhzZUQAqWILbgkPeqeTHj3cwi/YoHkTIPN8ugkxLLacGhUa/pVpZ6ZH2CCybdRPUfI=; DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sf.net; s=x ; h=Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=f3AINwKbLGlReiYGAZmgu5ZS0hX7ByeBzyb/hr/sH48=; b=CPAoUPyyRCTTKiFIwuVVAE+s4f CmVs8v1y4UnnsIiCDld8VgywqbxIqcuc9ypMv8TGsqOZe5o2s3RFdxo4hZtMSGZxYbF1AheIfjFt0 M+OQcceCgiSI7p+LMcy5yXmqFLeLsOq4Ks83kLnPgzE7BgFTMTeUbsJ2QR21oSYoQdoY=; Received: from mail.kernel.org ([198.145.29.99]) by sfi-mx-3.v28.lw.sourceforge.com with esmtps (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.92.2) id 1jOgT9-00GTxX-8i for linux-f2fs-devel@lists.sourceforge.net; Wed, 15 Apr 2020 11:44:40 +0000 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 1A8CD21569; Wed, 15 Apr 2020 11:44:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586951073; bh=9o6m5FMWo8G2lJiL9CBwOJYFO3E98EfhxJDSAGxFII8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Ckt8K8b7Y3y00J+vqEnsK3kXdbvnxOI39W3R4MmAaRw+86ZPchWjQtOsXckCSOA9U IfZhY/qu17+Y8soD7hUsrGb4iSrn8N14XI+6pp8teDTD6LodkQk6itbJeG9AgGZ3dQ Tu6iaCyVdFkvlAKWvc1Bs81hZJzJEDaGZYHU/uZM= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Date: Wed, 15 Apr 2020 07:42:25 -0400 Message-Id: <20200415114226.13103-105-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200415114226.13103-1-sashal@kernel.org> References: <20200415114226.13103-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore X-Headers-End: 1jOgT9-00GTxX-8i Subject: [f2fs-dev] [PATCH AUTOSEL 5.5 105/106] f2fs: fix to wait all node page writeback 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: Sasha Levin , Jaegeuk Kim , linux-f2fs-devel@lists.sourceforge.net Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net From: Chao Yu [ Upstream commit dc5a941223edd803f476a153abd950cc3a83c3e1 ] There is a race condition that we may miss to wait for all node pages writeback, fix it. - fsync() - shrink - f2fs_do_sync_file - __write_node_page - set_page_writeback(page#0) : remove DIRTY/TOWRITE flag - f2fs_fsync_node_pages : won't find page #0 as TOWRITE flag was removeD - f2fs_wait_on_node_pages_writeback : wont' wait page #0 writeback as it was not in fsync_node_list list. - f2fs_add_fsync_node_entry Fixes: 50fa53eccf9f ("f2fs: fix to avoid broken of dnode block list") Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim Signed-off-by: Sasha Levin --- fs/f2fs/node.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 3314a0f3405ef..905e8e39c9bf0 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1562,15 +1562,16 @@ static int __write_node_page(struct page *page, bool atomic, bool *submitted, if (atomic && !test_opt(sbi, NOBARRIER)) fio.op_flags |= REQ_PREFLUSH | REQ_FUA; - set_page_writeback(page); - ClearPageError(page); - + /* should add to global list before clearing PAGECACHE status */ if (f2fs_in_warm_node_list(sbi, page)) { seq = f2fs_add_fsync_node_entry(sbi, page); if (seq_id) *seq_id = seq; } + set_page_writeback(page); + ClearPageError(page); + fio.old_blkaddr = ni.blk_addr; f2fs_do_write_node_page(nid, &fio); set_node_addr(sbi, &ni, fio.new_blkaddr, is_fsync_dnode(page)); -- 2.20.1 _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel