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xfs: superblock scrub should use short-lived buffers
[thirdparty/xfsprogs-dev.git] / libxfs / xfs_sb.h
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2bd0ea18 1/*
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2 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
3 * All Rights Reserved.
5000d01d 4 *
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5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License as
2bd0ea18 7 * published by the Free Software Foundation.
5000d01d 8 *
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9 * This program is distributed in the hope that it would be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
5000d01d 13 *
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14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write the Free Software Foundation,
16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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17 */
18#ifndef __XFS_SB_H__
dfc130f3 19#define __XFS_SB_H__
2bd0ea18 20
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21/*
22 * perag get/put wrappers for ref counting
23 */
24extern struct xfs_perag *xfs_perag_get(struct xfs_mount *, xfs_agnumber_t);
25extern struct xfs_perag *xfs_perag_get_tag(struct xfs_mount *, xfs_agnumber_t,
26 int tag);
27extern void xfs_perag_put(struct xfs_perag *pag);
28extern int xfs_initialize_perag_data(struct xfs_mount *, xfs_agnumber_t);
29
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30extern void xfs_log_sb(struct xfs_trans *tp);
31extern int xfs_sync_sb(struct xfs_mount *mp, bool wait);
32extern void xfs_sb_mount_common(struct xfs_mount *mp, struct xfs_sb *sbp);
33extern void xfs_sb_from_disk(struct xfs_sb *to, struct xfs_dsb *from);
34extern void xfs_sb_to_disk(struct xfs_dsb *to, struct xfs_sb *from);
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35extern void xfs_sb_quota_from_disk(struct xfs_sb *sbp);
36
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37#define XFS_FS_GEOM_MAX_STRUCT_VER (4)
38extern int xfs_fs_geometry(struct xfs_sb *sbp, struct xfs_fsop_geom *geo,
39 int struct_version);
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40extern int xfs_sb_read_secondary(struct xfs_mount *mp,
41 struct xfs_trans *tp, xfs_agnumber_t agno,
42 struct xfs_buf **bpp);
a2a52384 43
2bd0ea18 44#endif /* __XFS_SB_H__ */