From patchwork Mon Feb 21 08:48:59 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 544964 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 AF50FC433EF for ; Mon, 21 Feb 2022 09:03:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347182AbiBUJEI (ORCPT ); Mon, 21 Feb 2022 04:04:08 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:32914 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347190AbiBUJA5 (ORCPT ); Mon, 21 Feb 2022 04:00:57 -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 22BD727B27; Mon, 21 Feb 2022 00:56:00 -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 365EEB80EAA; Mon, 21 Feb 2022 08:55:28 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7B1F1C340E9; Mon, 21 Feb 2022 08:55:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1645433727; bh=hevMNI8JP0s+vSotsMBfQsYPHAGrUmm4+XL55KLcPJs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=vw94g88A4eV0nUmEadY16bOKwO375nYVsv2IbR/CnZ6G/T7ztgcmhzYo9UdEDVtx7 wtUwZ77HMrlXDQq4ldyQL0HzMDFb8lkH7FdXeKAFmU6EbNLXpxcrgmKSJL8eiz9zuS nXZwTRKDAhxP92Q3Si4s7QJ0dfJ5bRv1HDt1dQuo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, =?utf-8?b?RMSBdmlzIE1vc8SBbnM=?= , David Sterba Subject: [PATCH 4.19 06/58] btrfs: send: in case of IO error log it Date: Mon, 21 Feb 2022 09:48:59 +0100 Message-Id: <20220221084912.092328977@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220221084911.895146879@linuxfoundation.org> References: <20220221084911.895146879@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@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 @@ -4956,6 +4956,10 @@ 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;