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d25522f10c
If one of the backup superblocks is found to differ seriously from superblock 0, write out a fresh copy from the in-core sb. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Allison Henderson <allison.henderson@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com>
58 lines
2.1 KiB
C
58 lines
2.1 KiB
C
/*
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* Copyright (c) 2000-2005 Silicon Graphics, Inc.
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* All Rights Reserved.
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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 as
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* published by the Free Software Foundation.
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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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#ifndef __XFS_SB_H__
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#define __XFS_SB_H__
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struct xfs_mount;
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struct xfs_sb;
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struct xfs_dsb;
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struct xfs_trans;
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struct xfs_fsop_geom;
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struct xfs_perag;
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/*
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* perag get/put wrappers for ref counting
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*/
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extern struct xfs_perag *xfs_perag_get(struct xfs_mount *, xfs_agnumber_t);
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extern struct xfs_perag *xfs_perag_get_tag(struct xfs_mount *, xfs_agnumber_t,
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int tag);
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extern void xfs_perag_put(struct xfs_perag *pag);
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extern int xfs_initialize_perag_data(struct xfs_mount *, xfs_agnumber_t);
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extern void xfs_log_sb(struct xfs_trans *tp);
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extern int xfs_sync_sb(struct xfs_mount *mp, bool wait);
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extern int xfs_sync_sb_buf(struct xfs_mount *mp);
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extern void xfs_sb_mount_common(struct xfs_mount *mp, struct xfs_sb *sbp);
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extern void xfs_sb_from_disk(struct xfs_sb *to, struct xfs_dsb *from);
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extern void xfs_sb_to_disk(struct xfs_dsb *to, struct xfs_sb *from);
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extern void xfs_sb_quota_from_disk(struct xfs_sb *sbp);
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extern int xfs_update_secondary_sbs(struct xfs_mount *mp);
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#define XFS_FS_GEOM_MAX_STRUCT_VER (4)
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extern int xfs_fs_geometry(struct xfs_sb *sbp, struct xfs_fsop_geom *geo,
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int struct_version);
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extern int xfs_sb_read_secondary(struct xfs_mount *mp,
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struct xfs_trans *tp, xfs_agnumber_t agno,
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struct xfs_buf **bpp);
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extern int xfs_sb_get_secondary(struct xfs_mount *mp,
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struct xfs_trans *tp, xfs_agnumber_t agno,
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struct xfs_buf **bpp);
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#endif /* __XFS_SB_H__ */
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