LXR linux/fs/xfs/libxfs/xfs

   1/*
   2 * Copyright (c) 2000-2005 Silicon Graphics, Inc.
   3 * All Rights Reserved.
   4 *
   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
   7 * published by the Free Software Foundation.
   8 *
   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.
  13 *
  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
  17 */
  18#ifndef __XFS_SB_H__
  19#define __XFS_SB_H__
  20
  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
  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);
  35extern void     xfs_sb_quota_from_disk(struct xfs_sb *sbp);
  36
  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);
  40
  41#endif  /* __XFS_SB_H__ */
  42