From patchwork Fri May 18 12:34:14 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeff Layton X-Patchwork-Id: 10410395 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id BC832601F9 for ; Fri, 18 May 2018 12:37:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id AE2E628952 for ; Fri, 18 May 2018 12:37:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A32CF2895A; Fri, 18 May 2018 12:37:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 46A7928952 for ; Fri, 18 May 2018 12:37:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752320AbeERMfp (ORCPT ); Fri, 18 May 2018 08:35:45 -0400 Received: from mail.kernel.org ([198.145.29.99]:39486 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752008AbeERMe0 (ORCPT ); Fri, 18 May 2018 08:34:26 -0400 Received: from tleilax.poochiereds.net (cpe-71-70-156-158.nc.res.rr.com [71.70.156.158]) (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 947D020866; Fri, 18 May 2018 12:34:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1526646866; bh=0AtzEA+861Tci60AzstFh3BSAgRQ19pt6LjXOMRZJY4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YQhlLQ+WcRhE4DSyo5NNRgG8p4gXJkmoDMAyybcSUjFomz05u6+b0281hDIFakJFg Le1xoCk6hg2gJwx/NCYucNQ1WdrYbuuTsRTFwSahLKD2X+YXzjK0ubP7Jwcb1kX9a1 eXU95htc4WB96uRTiQHWdO4XkpDNwcDUsNkGDUQA= From: Jeff Layton To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Cc: viro@ZenIV.linux.org.uk, willy@infradead.org, andres@anarazel.de Subject: [RFC PATCH 10/11] ext2: have sync_fs op report writeback errors when passed a since pointer Date: Fri, 18 May 2018 08:34:14 -0400 Message-Id: <20180518123415.28181-11-jlayton@kernel.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180518123415.28181-1-jlayton@kernel.org> References: <20180518123415.28181-1-jlayton@kernel.org> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Jeff Layton Signed-off-by: Jeff Layton --- fs/ext2/super.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 0700f3264c7e..51b548cfebb1 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -1264,6 +1264,7 @@ void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es, */ static int ext2_sync_fs(struct super_block *sb, int wait, errseq_t *since) { + int ret; struct ext2_sb_info *sbi = EXT2_SB(sb); struct ext2_super_block *es = EXT2_SB(sb)->s_es; @@ -1280,7 +1281,13 @@ static int ext2_sync_fs(struct super_block *sb, int wait, errseq_t *since) } spin_unlock(&sbi->s_lock); ext2_sync_super(sb, es, wait); - return __sync_blockdev(sb->s_bdev, wait); + ret = __sync_blockdev(sb->s_bdev, wait); + if (since) { + int ret2 = errseq_check_and_advance(&sb->s_wb_err, since); + if (ret == 0) + ret = ret2; + } + return ret; } static int ext2_freeze(struct super_block *sb)