Release 4.18 fs/xfs/scrub/agheader_repair.c
// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2018 Oracle. All Rights Reserved.
* Author: Darrick J. Wong <darrick.wong@oracle.com>
*/
#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_inode.h"
#include "xfs_alloc.h"
#include "xfs_ialloc.h"
#include "xfs_rmap.h"
#include "scrub/xfs_scrub.h"
#include "scrub/scrub.h"
#include "scrub/common.h"
#include "scrub/trace.h"
/* Superblock */
/* Repair the superblock. */
int
xfs_repair_superblock(
struct xfs_scrub_context *sc)
{
struct xfs_mount *mp = sc->mp;
struct xfs_buf *bp;
xfs_agnumber_t agno;
int error;
/* Don't try to repair AG 0's sb; let xfs_repair deal with it. */
agno = sc->sm->sm_agno;
if (agno == 0)
return -EOPNOTSUPP;
error = xfs_sb_get_secondary(mp, sc->tp, agno, &bp);
if (error)
return error;
/* Copy AG 0's superblock to this one. */
xfs_buf_zero(bp, 0, BBTOB(bp->b_length));
xfs_sb_to_disk(XFS_BUF_TO_SBP(bp), &mp->m_sb);
/* Write this to disk. */
xfs_trans_buf_set_type(sc->tp, bp, XFS_BLFT_SB_BUF);
xfs_trans_log_buf(sc->tp, bp, 0, BBTOB(bp->b_length) - 1);
return error;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Darrick J. Wong | 135 | 100.00% | 1 | 100.00% |
| Total | 135 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Darrick J. Wong | 197 | 98.99% | 1 | 50.00% |
| Dave Chinner | 2 | 1.01% | 1 | 50.00% |
| Total | 199 | 100.00% | 2 | 100.00% |
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