From patchwork Thu Nov 14 18:19:33 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Darrick J. Wong" X-Patchwork-Id: 11244207 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 0B3BF930 for ; Thu, 14 Nov 2019 18:20:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D0CEE20729 for ; Thu, 14 Nov 2019 18:20:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="WoeogtVl" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726869AbfKNSUB (ORCPT ); Thu, 14 Nov 2019 13:20:01 -0500 Received: from userp2130.oracle.com ([156.151.31.86]:44754 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727867AbfKNSUA (ORCPT ); Thu, 14 Nov 2019 13:20:00 -0500 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xAEIJwuF101669 for ; Thu, 14 Nov 2019 18:19:58 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=tRZPLw/n1VMuP37JrdjG99+HNrKvF+ZQccwkF7FR6G8=; b=WoeogtVlBQkhjJm2pfOFzrBmFhKbJkPsOBVBhyZDOltRIlQu3TMPZ9FnObL8wE0SFYb9 aEn6KL3quXfaZn+58oZ6tgKwfzGJ1tWDu7nkHm+Mj82zlPzMI9lXVTBW5fxAz0veZ+zc UiSKtFaIrXQbsncBM2zotwyTzDGEZ6CcOvuw/1UhNfk9fKpbht4OXqJ/2fanxiiWt2g0 TbLOdVuAb3ocvrna9BYKAoTQPVdA3ufXzAe+p2xv5L3oxqh9Rjbdsi5owum/Ugi6ohQN hhPnA9X8DHobzVUPDul9p1qPX6eNx4RpSbjx8l8x74Ych/gF0EfHPOCOt/YWDwqh28hg sw== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by userp2130.oracle.com with ESMTP id 2w5mvu51pf-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 14 Nov 2019 18:19:57 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id xAEI44SG106969 for ; Thu, 14 Nov 2019 18:19:35 GMT Received: from aserv0122.oracle.com (aserv0122.oracle.com [141.146.126.236]) by userp3030.oracle.com with ESMTP id 2w8g19tmk3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Thu, 14 Nov 2019 18:19:35 +0000 Received: from abhmp0020.oracle.com (abhmp0020.oracle.com [141.146.116.26]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id xAEIJYu6031291 for ; Thu, 14 Nov 2019 18:19:34 GMT Received: from localhost (/67.169.218.210) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 14 Nov 2019 10:19:34 -0800 Subject: [PATCH 3/9] 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: Thu, 14 Nov 2019 10:19:33 -0800 Message-ID: <157375557349.3692735.15868119551132443897.stgit@magnolia> In-Reply-To: <157375555426.3692735.1357467392517392169.stgit@magnolia> References: <157375555426.3692735.1357467392517392169.stgit@magnolia> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9441 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=8.0.1-1910280000 definitions=main-1911140155 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9441 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=8.0.1-1910280000 definitions=main-1911140156 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 | 39 +++++++++++++++++++++++++++++++++------ fs/xfs/libxfs/xfs_health.h | 1 + fs/xfs/xfs_health.c | 26 ++++++++++++++++++++++++++ fs/xfs/xfs_iomap.c | 15 +++++++++++---- 4 files changed, 71 insertions(+), 10 deletions(-) diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index 4acc6e37c31d..c4674fb0bfb4 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_IS_CORRUPT(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_IS_CORRUPT(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, @@ -1239,6 +1244,7 @@ xfs_iread_extents( if (XFS_IS_CORRUPT(mp, XFS_IFORK_FORMAT(ip, whichfork) != XFS_DINODE_FMT_BTREE)) { + xfs_bmap_mark_sick(ip, whichfork); error = -EFSCORRUPTED; goto out; } @@ -1254,6 +1260,7 @@ xfs_iread_extents( if (XFS_IS_CORRUPT(mp, ir.loaded != XFS_IFORK_NEXTENTS(ip, whichfork))) { + xfs_bmap_mark_sick(ip, whichfork); error = -EFSCORRUPTED; goto out; } @@ -1262,6 +1269,8 @@ 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; } @@ -1443,8 +1453,11 @@ xfs_bmap_last_offset( if (XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL) return 0; - if (XFS_IS_CORRUPT(ip->i_mount, !xfs_ifork_has_extents(ip, whichfork))) + if (XFS_IS_CORRUPT(ip->i_mount, + !xfs_ifork_has_extents(ip, whichfork))) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; + } error = xfs_bmap_last_extent(NULL, ip, whichfork, &rec, &is_empty); if (error || is_empty) @@ -3905,6 +3918,7 @@ xfs_bmapi_read( if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -3935,6 +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; } @@ -4414,6 +4429,7 @@ xfs_bmapi_write( if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -4621,9 +4637,11 @@ 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); @@ -4681,6 +4699,7 @@ xfs_bmapi_remap( if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -5319,8 +5338,10 @@ __xfs_bunmapi( whichfork = xfs_bmapi_whichfork(flags); ASSERT(whichfork != XFS_COW_FORK); ifp = XFS_IFORK_PTR(ip, whichfork); - if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork))) + if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork))) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; + } if (XFS_FORCED_SHUTDOWN(mp)) return -EIO; @@ -5815,6 +5836,7 @@ xfs_bmap_collapse_extents( if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -5932,6 +5954,7 @@ xfs_bmap_insert_extents( if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -6038,6 +6061,7 @@ xfs_bmap_split_extent_at( if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(ip, whichfork)) || XFS_TEST_ERROR(false, mp, XFS_ERRTAG_BMAPIFORMAT)) { + xfs_bmap_mark_sick(ip, whichfork); return -EFSCORRUPTED; } @@ -6253,8 +6277,10 @@ 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)) @@ -6272,6 +6298,7 @@ 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 28e2d1f37267..c1befb899911 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); @@ -598,8 +602,10 @@ 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) { /* @@ -858,6 +864,7 @@ xfs_buffered_write_iomap_begin( if (XFS_IS_CORRUPT(mp, !xfs_ifork_has_extents(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; }