forked from Minki/linux
71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
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/*
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* Copyright (C) 2018 Oracle. All Rights Reserved.
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*
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* Author: Darrick J. Wong <darrick.wong@oracle.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it would be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "xfs.h"
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#include "xfs_fs.h"
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#include "xfs_shared.h"
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#include "xfs_format.h"
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#include "xfs_trans_resv.h"
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#include "xfs_mount.h"
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#include "xfs_defer.h"
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#include "xfs_btree.h"
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#include "xfs_bit.h"
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#include "xfs_log_format.h"
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#include "xfs_trans.h"
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#include "xfs_sb.h"
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#include "xfs_inode.h"
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#include "xfs_alloc.h"
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#include "xfs_ialloc.h"
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#include "xfs_rmap.h"
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#include "scrub/xfs_scrub.h"
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#include "scrub/scrub.h"
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#include "scrub/common.h"
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#include "scrub/trace.h"
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/* Superblock */
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/* Repair the superblock. */
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int
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xfs_repair_superblock(
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struct xfs_scrub_context *sc)
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{
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struct xfs_mount *mp = sc->mp;
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struct xfs_buf *bp;
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xfs_agnumber_t agno;
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int error;
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/* Don't try to repair AG 0's sb; let xfs_repair deal with it. */
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agno = sc->sm->sm_agno;
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if (agno == 0)
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return -EOPNOTSUPP;
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error = xfs_sb_get_secondary(mp, sc->tp, agno, &bp);
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if (error)
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return error;
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/* Copy AG 0's superblock to this one. */
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xfs_buf_zero(bp, 0, BBTOB(bp->b_length));
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xfs_sb_to_disk(XFS_BUF_TO_SBP(bp), &mp->m_sb);
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/* Write this to disk. */
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xfs_trans_buf_set_type(sc->tp, bp, XFS_BLFT_SB_BUF);
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xfs_trans_log_buf(sc->tp, bp, 0, BBTOB(bp->b_length) - 1);
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return error;
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}
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