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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY 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 0C226CA9EB0 for ; Sun, 3 Nov 2019 22:25:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C6F1821D71 for ; Sun, 3 Nov 2019 22:25:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="NRncXQJB" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727520AbfKCWZI (ORCPT ); Sun, 3 Nov 2019 17:25:08 -0500 Received: from aserp2120.oracle.com ([141.146.126.78]:39822 "EHLO aserp2120.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727503AbfKCWZI (ORCPT ); Sun, 3 Nov 2019 17:25:08 -0500 Received: from pps.filterd (aserp2120.oracle.com [127.0.0.1]) by aserp2120.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xA3MOJTn073221 for ; Sun, 3 Nov 2019 22:25:06 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=subject : from : to : cc : date : message-id : in-reply-to : references : mime-version : content-type : content-transfer-encoding; s=corp-2019-08-05; bh=4hugr4An6f0QMQT33VAB7/rcaEgVWTNVWooPBdLfkLU=; b=NRncXQJB3SEQD7gzi3wqb9c8eGUxriN6TIyvuEkPjc8mrw9HitKu/WVUEZ4chCcamx5i 8HuEFB1MNyVJ0j1VKgpSPDhuyEimiYSbaL+AykrBXOUTR6LImfV0QNjN/KxmIHP7Ik0s 9ra1sQfnfrY+wAVJLWmMcC2fEuJIMR5xNgwJN/DrQM01/3yaap0ufomFrz2/LzdJwTuO Jo1RjWk4sDJ5x84NHtgKNI7q5ISmHCSOupCahPe+khZrg3toKbCN0ygpkrqJ1LebJ8Rj tsWXYJvcDw3O+LbJXo6BFohPeYppay7fds0AtSwDYayjGMl6W4rNjgctaCUTmQKQKESB og== Received: from aserp3020.oracle.com (aserp3020.oracle.com [141.146.126.70]) by aserp2120.oracle.com with ESMTP id 2w11rpm48v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Sun, 03 Nov 2019 22:25:06 +0000 Received: from pps.filterd (aserp3020.oracle.com [127.0.0.1]) by aserp3020.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xA3MOAx1071437 for ; Sun, 3 Nov 2019 22:25:06 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserp3020.oracle.com with ESMTP id 2w1ka8e7bj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Sun, 03 Nov 2019 22:25:06 +0000 Received: from abhmp0016.oracle.com (abhmp0016.oracle.com [141.146.116.22]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id xA3MP54w007476 for ; Sun, 3 Nov 2019 22:25:05 GMT Received: from localhost (/67.169.218.210) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Sun, 03 Nov 2019 14:25:04 -0800 Subject: [PATCH 03/10] xfs: report block map corruption errors to the health tracking system From: "Darrick J. Wong" To: darrick.wong@oracle.com Cc: linux-xfs@vger.kernel.org Date: Sun, 03 Nov 2019 14:25:03 -0800 Message-ID: <157281990353.4152102.15406319284510044621.stgit@magnolia> In-Reply-To: <157281988489.4152102.1632857939932700344.stgit@magnolia> References: <157281988489.4152102.1632857939932700344.stgit@magnolia> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9430 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=3 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1911030234 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9430 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=3 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1911030234 Sender: linux-xfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-xfs@vger.kernel.org From: Darrick J. Wong Whenever we encounter a corrupt block mapping, we should report that to the health monitoring system for later reporting. Signed-off-by: Darrick J. Wong --- fs/xfs/libxfs/xfs_bmap.c | 32 ++++++++++++++++++++++++++++---- fs/xfs/libxfs/xfs_health.h | 1 + fs/xfs/xfs_health.c | 26 ++++++++++++++++++++++++++ fs/xfs/xfs_iomap.c | 15 +++++++++++---- 4 files changed, 66 insertions(+), 8 deletions(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 0ad47ca9b14d..13523be72b8a 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -35,7 +35,7 @@ #include "xfs_refcount.h" #include "xfs_icache.h" #include "xfs_iomap.h" - +#include "xfs_health.h" kmem_zone_t *xfs_bmap_free_item_zone; @@ -732,6 +732,7 @@ xfs_bmap_extents_to_btree( xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, 1L); abp = xfs_btree_get_bufl(mp, tp, args.fsbno); if (XFS_CORRUPT_ON(mp, !abp)) { + xfs_bmap_mark_sick(ip, whichfork); error = -EFSCORRUPTED; goto out_unreserve_dquot; } @@ -1021,6 +1022,7 @@ xfs_bmap_add_attrfork_local( /* should only be called for types that support local format data */ ASSERT(0); + xfs_bmap_mark_sick(ip, XFS_ATTR_FORK); return -EFSCORRUPTED; } @@ -1090,6 +1092,7 @@ xfs_bmap_add_attrfork( if (XFS_IFORK_Q(ip)) goto trans_cancel; if (XFS_CORRUPT_ON(mp, ip->i_d.di_anextents != 0)) { + xfs_bmap_mark_sick(ip, XFS_ATTR_FORK); error = -EFSCORRUPTED; goto trans_cancel; } @@ -1192,6 +1195,7 @@ xfs_iread_bmbt_block( (unsigned long long)ip->i_ino); xfs_inode_verifier_error(ip, -EFSCORRUPTED, __func__, block, sizeof(*block), __this_address); + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -1207,6 +1211,7 @@ xfs_iread_bmbt_block( xfs_inode_verifier_error(ip, -EFSCORRUPTED, "xfs_iread_extents(2)", frp, sizeof(*frp), fa); + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } xfs_iext_insert(ip, &ir->icur, &new, @@ -1238,6 +1243,7 @@ xfs_iread_extents( if (XFS_CORRUPT_ON(mp, XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE)) { + xfs_bmap_mark_sick(ip, whichfork); error = -EFSCORRUPTED; goto out; } @@ -1253,6 +1259,7 @@ xfs_iread_extents( if (XFS_CORRUPT_ON(mp, ir.loaded != XFS_IFORK_NEXTENTS(ip, whichfork))) { + xfs_bmap_mark_sick(ip, whichfork); error = -EFSCORRUPTED; goto out; } @@ -1261,6 +1268,8 @@ xfs_iread_extents( ifp->if_flags |= XFS_IFEXTENTS; return 0; out: + if (xfs_metadata_is_sick(error)) + xfs_bmap_mark_sick(ip, whichfork); xfs_iext_destroy(ifp); return error; } @@ -1344,6 +1353,7 @@ xfs_bmap_last_before( break; default: ASSERT(0); + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -1445,6 +1455,7 @@ xfs_bmap_last_offset( if (XFS_CORRUPT_ON(ip->i_mount, !XFS_IFORK_MAPS_BLOCKS(ip, whichfork))) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -3907,6 +3918,7 @@ xfs_bmapi_read( if (XFS_CORRUPT_ON(mp, !XFS_IFORK_MAPS_BLOCKS(ip, whichfork)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -3937,6 +3949,7 @@ xfs_bmapi_read( xfs_alert(mp, "%s: inode %llu missing fork %d", __func__, ip->i_ino, whichfork); #endif /* DEBUG */ + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -4415,6 +4428,7 @@ xfs_bmapi_write( if (XFS_CORRUPT_ON(mp, !XFS_IFORK_MAPS_BLOCKS(ip, whichfork)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -4622,9 +4636,11 @@ xfs_bmapi_convert_delalloc( error = -ENOSPC; if (WARN_ON_ONCE(bma.blkno == NULLFSBLOCK)) goto out_finish; - error = -EFSCORRUPTED; - if (WARN_ON_ONCE(!xfs_valid_startblock(ip, bma.got.br_startblock))) + if (WARN_ON_ONCE(!xfs_valid_startblock(ip, bma.got.br_startblock))) { + xfs_bmap_mark_sick(ip, whichfork); + error = -EFSCORRUPTED; goto out_finish; + } XFS_STATS_ADD(mp, xs_xstrat_bytes, XFS_FSB_TO_B(mp, bma.length)); XFS_STATS_INC(mp, xs_xstrat_quick); @@ -4682,6 +4698,7 @@ xfs_bmapi_remap( if (XFS_CORRUPT_ON(mp, !XFS_IFORK_MAPS_BLOCKS(ip, whichfork)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -5321,6 +5338,7 @@ __xfs_bunmapi( ASSERT(whichfork != XFS_COW_FORK); ifp = XFS_IFORK_PTR(ip, whichfork); if (XFS_CORRUPT_ON(mp, !XFS_IFORK_MAPS_BLOCKS(ip, whichfork))) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } if (XFS_FORCED_SHUTDOWN(mp)) @@ -5817,6 +5835,7 @@ xfs_bmap_collapse_extents( if (XFS_CORRUPT_ON(mp, !XFS_IFORK_MAPS_BLOCKS(ip, whichfork)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -5934,6 +5953,7 @@ xfs_bmap_insert_extents( if (XFS_CORRUPT_ON(mp, !XFS_IFORK_MAPS_BLOCKS(ip, whichfork)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -6040,6 +6060,7 @@ xfs_bmap_split_extent_at( if (XFS_CORRUPT_ON(mp, !XFS_IFORK_MAPS_BLOCKS(ip, whichfork)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -6255,8 +6276,10 @@ xfs_bmap_finish_one( XFS_FSB_TO_AGBNO(tp->t_mountp, startblock), ip->i_ino, whichfork, startoff, *blockcount, state); - if (WARN_ON_ONCE(whichfork != XFS_DATA_FORK)) + if (WARN_ON_ONCE(whichfork != XFS_DATA_FORK)) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; + } if (XFS_TEST_ERROR(false, tp->t_mountp, XFS_ERRTAG_BMAP_FINISH_ONE)) @@ -6274,6 +6297,7 @@ xfs_bmap_finish_one( break; default: ASSERT(0); + xfs_bmap_mark_sick(ip, whichfork); error = -EFSCORRUPTED; } diff --git a/fs/xfs/libxfs/xfs_health.h b/fs/xfs/libxfs/xfs_health.h index ce8954a10c66..25b61180b562 100644 --- a/fs/xfs/libxfs/xfs_health.h +++ b/fs/xfs/libxfs/xfs_health.h @@ -138,6 +138,7 @@ void xfs_inode_measure_sickness(struct xfs_inode *ip, unsigned int *sick, unsigned int *checked); void xfs_health_unmount(struct xfs_mount *mp); +void xfs_bmap_mark_sick(struct xfs_inode *ip, int whichfork); /* Now some helpers. */ diff --git a/fs/xfs/xfs_health.c b/fs/xfs/xfs_health.c index 36c32b108b39..5e5de5338476 100644 --- a/fs/xfs/xfs_health.c +++ b/fs/xfs/xfs_health.c @@ -452,3 +452,29 @@ xfs_bulkstat_health( bs->bs_sick |= m->ioctl_mask; } } + +/* Mark a block mapping sick. */ +void +xfs_bmap_mark_sick( + struct xfs_inode *ip, + int whichfork) +{ + unsigned int mask; + + switch (whichfork) { + case XFS_DATA_FORK: + mask = XFS_SICK_INO_BMBTD; + break; + case XFS_ATTR_FORK: + mask = XFS_SICK_INO_BMBTA; + break; + case XFS_COW_FORK: + mask = XFS_SICK_INO_BMBTC; + break; + default: + ASSERT(0); + return; + } + + xfs_inode_mark_sick(ip, mask); +} diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c index d78df4bdd700..894ec033b3f1 100644 --- a/fs/xfs/xfs_iomap.c +++ b/fs/xfs/xfs_iomap.c @@ -27,7 +27,7 @@ #include "xfs_dquot_item.h" #include "xfs_dquot.h" #include "xfs_reflink.h" - +#include "xfs_health.h" #define XFS_ALLOC_ALIGN(mp, off) \ (((off) >> mp->m_allocsize_log) << mp->m_allocsize_log) @@ -59,8 +59,10 @@ xfs_bmbt_to_iomap( struct xfs_mount *mp = ip->i_mount; struct xfs_buftarg *target = xfs_inode_buftarg(ip); - if (unlikely(!xfs_valid_startblock(ip, imap->br_startblock))) + if (unlikely(!xfs_valid_startblock(ip, imap->br_startblock))) { + xfs_bmap_mark_sick(ip, XFS_DATA_FORK); return xfs_alert_fsblock_zero(ip, imap); + } if (imap->br_startblock == HOLESTARTBLOCK) { iomap->addr = IOMAP_NULL_ADDR; @@ -277,8 +279,10 @@ xfs_iomap_write_direct( goto out_unlock; } - if (unlikely(!xfs_valid_startblock(ip, imap->br_startblock))) + if (unlikely(!xfs_valid_startblock(ip, imap->br_startblock))) { + xfs_bmap_mark_sick(ip, XFS_DATA_FORK); error = xfs_alert_fsblock_zero(ip, imap); + } out_unlock: xfs_iunlock(ip, XFS_ILOCK_EXCL); @@ -588,8 +592,10 @@ xfs_iomap_write_unwritten( if (error) return error; - if (unlikely(!xfs_valid_startblock(ip, imap.br_startblock))) + if (unlikely(!xfs_valid_startblock(ip, imap.br_startblock))) { + xfs_bmap_mark_sick(ip, XFS_DATA_FORK); return xfs_alert_fsblock_zero(ip, &imap); + } if ((numblks_fsb = imap.br_blockcount) == 0) { /* @@ -848,6 +854,7 @@ xfs_buffered_write_iomap_begin( if (XFS_CORRUPT_ON(mp, !XFS_IFORK_MAPS_BLOCKS(ip, XFS_DATA_FORK)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { + xfs_bmap_mark_sick(ip, XFS_DATA_FORK); error = -EFSCORRUPTED; goto out_unlock; }