103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
/*
|
|
* Copyright (C) 2017 Oracle. All Rights Reserved.
|
|
*
|
|
* Author: Darrick J. Wong <darrick.wong@oracle.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it would be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
#include "xfs.h"
|
|
#include "xfs_fs.h"
|
|
#include "xfs_shared.h"
|
|
#include "xfs_format.h"
|
|
#include "xfs_trans_resv.h"
|
|
#include "xfs_mount.h"
|
|
#include "xfs_defer.h"
|
|
#include "xfs_btree.h"
|
|
#include "xfs_bit.h"
|
|
#include "xfs_log_format.h"
|
|
#include "xfs_trans.h"
|
|
#include "xfs_sb.h"
|
|
#include "xfs_alloc.h"
|
|
#include "xfs_rmap.h"
|
|
#include "scrub/xfs_scrub.h"
|
|
#include "scrub/scrub.h"
|
|
#include "scrub/common.h"
|
|
#include "scrub/btree.h"
|
|
#include "scrub/trace.h"
|
|
|
|
/*
|
|
* Set us up to scrub free space btrees.
|
|
*/
|
|
int
|
|
xfs_scrub_setup_ag_allocbt(
|
|
struct xfs_scrub_context *sc,
|
|
struct xfs_inode *ip)
|
|
{
|
|
return xfs_scrub_setup_ag_btree(sc, ip, false);
|
|
}
|
|
|
|
/* Free space btree scrubber. */
|
|
|
|
/* Scrub a bnobt/cntbt record. */
|
|
STATIC int
|
|
xfs_scrub_allocbt_rec(
|
|
struct xfs_scrub_btree *bs,
|
|
union xfs_btree_rec *rec)
|
|
{
|
|
struct xfs_mount *mp = bs->cur->bc_mp;
|
|
xfs_agnumber_t agno = bs->cur->bc_private.a.agno;
|
|
xfs_agblock_t bno;
|
|
xfs_extlen_t len;
|
|
int error = 0;
|
|
|
|
bno = be32_to_cpu(rec->alloc.ar_startblock);
|
|
len = be32_to_cpu(rec->alloc.ar_blockcount);
|
|
|
|
if (bno + len <= bno ||
|
|
!xfs_verify_agbno(mp, agno, bno) ||
|
|
!xfs_verify_agbno(mp, agno, bno + len - 1))
|
|
xfs_scrub_btree_set_corrupt(bs->sc, bs->cur, 0);
|
|
|
|
return error;
|
|
}
|
|
|
|
/* Scrub the freespace btrees for some AG. */
|
|
STATIC int
|
|
xfs_scrub_allocbt(
|
|
struct xfs_scrub_context *sc,
|
|
xfs_btnum_t which)
|
|
{
|
|
struct xfs_owner_info oinfo;
|
|
struct xfs_btree_cur *cur;
|
|
|
|
xfs_rmap_ag_owner(&oinfo, XFS_RMAP_OWN_AG);
|
|
cur = which == XFS_BTNUM_BNO ? sc->sa.bno_cur : sc->sa.cnt_cur;
|
|
return xfs_scrub_btree(sc, cur, xfs_scrub_allocbt_rec, &oinfo, NULL);
|
|
}
|
|
|
|
int
|
|
xfs_scrub_bnobt(
|
|
struct xfs_scrub_context *sc)
|
|
{
|
|
return xfs_scrub_allocbt(sc, XFS_BTNUM_BNO);
|
|
}
|
|
|
|
int
|
|
xfs_scrub_cntbt(
|
|
struct xfs_scrub_context *sc)
|
|
{
|
|
return xfs_scrub_allocbt(sc, XFS_BTNUM_CNT);
|
|
}
|