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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 26F2DC433EF for ; Mon, 21 Feb 2022 08:57:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346412AbiBUI6S (ORCPT ); Mon, 21 Feb 2022 03:58:18 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:43802 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345763AbiBUIzp (ORCPT ); Mon, 21 Feb 2022 03:55:45 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5B2851DA58; Mon, 21 Feb 2022 00:53:50 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 7A2B5B80EB3; Mon, 21 Feb 2022 08:53:48 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9EEA2C340E9; Mon, 21 Feb 2022 08:53:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1645433627; bh=F7oy1PKhRI9HjHdGhkNh1hbZnO5CUUdpmCLUcr1xt90=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=P91W+eAkcCHUIdav1RuOG9l94yYkpG4xrIxfB57T7eQPcsK2+QGRyELIQtRfCjXcU eajLRIfEqpBfy0JgiF7LYg0tGMVvCdUeerUxHsZdm84E8DCg2b88ujhsui2wWK/lmp S+N7uzkDYANkZlE4OkPtF8kZGGTA/k0wooeRE1pk= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?UTF-8?q?D=C4=81vis=20Mos=C4=81ns?= , David Sterba Subject: [PATCH 4.14 06/45] btrfs: send: in case of IO error log it Date: Mon, 21 Feb 2022 09:48:57 +0100 Message-Id: <20220221084910.669782398@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220221084910.454824160@linuxfoundation.org> References: <20220221084910.454824160@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Dāvis Mosāns commit 2e7be9db125a0bf940c5d65eb5c40d8700f738b5 upstream. Currently if we get IO error while doing send then we abort without logging information about which file caused issue. So log it to help with debugging. CC: stable@vger.kernel.org # 4.9+ Signed-off-by: Dāvis Mosāns Reviewed-by: David Sterba Signed-off-by: David Sterba Signed-off-by: Greg Kroah-Hartman --- fs/btrfs/send.c | 4 ++++ 1 file changed, 4 insertions(+) --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -4944,6 +4944,10 @@ static ssize_t fill_read_buf(struct send lock_page(page); if (!PageUptodate(page)) { unlock_page(page); + btrfs_err(fs_info, + "send: IO error at offset %llu for inode %llu root %llu", + page_offset(page), sctx->cur_ino, + sctx->send_root->root_key.objectid); put_page(page); ret = -EIO; break;