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 struct xfs_mount; 22 struct xfs_sb; 23 struct xfs_dsb; 24 struct xfs_trans; 25 struct xfs_fsop_geom; 26 struct xfs_perag; 27 28 /* 29 * perag get/put wrappers for ref counting 30 */ 31 extern struct xfs_perag *xfs_perag_get(struct xfs_mount *, xfs_agnumber_t); 32 extern struct xfs_perag *xfs_perag_get_tag(struct xfs_mount *, xfs_agnumber_t, 33 int tag); 34 extern void xfs_perag_put(struct xfs_perag *pag); 35 extern int xfs_initialize_perag_data(struct xfs_mount *, xfs_agnumber_t); 36 37 extern void xfs_log_sb(struct xfs_trans *tp); 38 extern int xfs_sync_sb(struct xfs_mount *mp, bool wait); 39 extern int xfs_sync_sb_buf(struct xfs_mount *mp); 40 extern void xfs_sb_mount_common(struct xfs_mount *mp, struct xfs_sb *sbp); 41 extern void xfs_sb_from_disk(struct xfs_sb *to, struct xfs_dsb *from); 42 extern void xfs_sb_to_disk(struct xfs_dsb *to, struct xfs_sb *from); 43 extern void xfs_sb_quota_from_disk(struct xfs_sb *sbp); 44 45 extern int xfs_update_secondary_sbs(struct xfs_mount *mp); 46 47 #define XFS_FS_GEOM_MAX_STRUCT_VER (4) 48 extern int xfs_fs_geometry(struct xfs_sb *sbp, struct xfs_fsop_geom *geo, 49 int struct_version); 50 extern int xfs_sb_read_secondary(struct xfs_mount *mp, 51 struct xfs_trans *tp, xfs_agnumber_t agno, 52 struct xfs_buf **bpp); 53 extern int xfs_sb_get_secondary(struct xfs_mount *mp, 54 struct xfs_trans *tp, xfs_agnumber_t agno, 55 struct xfs_buf **bpp); 56 57 #endif /* __XFS_SB_H__ */ 58