1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2000-2005 Silicon Graphics, Inc. 4 * All Rights Reserved. 5 */ 6 #ifndef __XFS_SB_H__ 7 #define __XFS_SB_H__ 8 9 struct xfs_mount; 10 struct xfs_sb; 11 struct xfs_dsb; 12 struct xfs_trans; 13 struct xfs_fsop_geom; 14 struct xfs_perag; 15 16 /* 17 * perag get/put wrappers for ref counting 18 */ 19 extern struct xfs_perag *xfs_perag_get(struct xfs_mount *, xfs_agnumber_t); 20 extern struct xfs_perag *xfs_perag_get_tag(struct xfs_mount *, xfs_agnumber_t, 21 int tag); 22 extern void xfs_perag_put(struct xfs_perag *pag); 23 extern int xfs_initialize_perag_data(struct xfs_mount *, xfs_agnumber_t); 24 25 extern void xfs_log_sb(struct xfs_trans *tp); 26 extern int xfs_sync_sb(struct xfs_mount *mp, bool wait); 27 extern int xfs_sync_sb_buf(struct xfs_mount *mp); 28 extern void xfs_sb_mount_common(struct xfs_mount *mp, struct xfs_sb *sbp); 29 extern void xfs_sb_from_disk(struct xfs_sb *to, struct xfs_dsb *from); 30 extern void xfs_sb_to_disk(struct xfs_dsb *to, struct xfs_sb *from); 31 extern void xfs_sb_quota_from_disk(struct xfs_sb *sbp); 32 33 extern int xfs_update_secondary_sbs(struct xfs_mount *mp); 34 35 #define XFS_FS_GEOM_MAX_STRUCT_VER (4) 36 extern int xfs_fs_geometry(struct xfs_sb *sbp, struct xfs_fsop_geom *geo, 37 int struct_version); 38 extern int xfs_sb_read_secondary(struct xfs_mount *mp, 39 struct xfs_trans *tp, xfs_agnumber_t agno, 40 struct xfs_buf **bpp); 41 extern int xfs_sb_get_secondary(struct xfs_mount *mp, 42 struct xfs_trans *tp, xfs_agnumber_t agno, 43 struct xfs_buf **bpp); 44 45 #endif /* __XFS_SB_H__ */ 46