xref: /openbmc/linux/fs/xfs/libxfs/xfs_sb.h (revision 49c23519)
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 extern void	xfs_log_sb(struct xfs_trans *tp);
17 extern int	xfs_sync_sb(struct xfs_mount *mp, bool wait);
18 extern int	xfs_sync_sb_buf(struct xfs_mount *mp);
19 extern void	xfs_sb_mount_common(struct xfs_mount *mp, struct xfs_sb *sbp);
20 extern void	xfs_sb_from_disk(struct xfs_sb *to, struct xfs_dsb *from);
21 extern void	xfs_sb_to_disk(struct xfs_dsb *to, struct xfs_sb *from);
22 extern void	xfs_sb_quota_from_disk(struct xfs_sb *sbp);
23 extern bool	xfs_sb_good_version(struct xfs_sb *sbp);
24 extern uint64_t	xfs_sb_version_to_features(struct xfs_sb *sbp);
25 
26 extern int	xfs_update_secondary_sbs(struct xfs_mount *mp);
27 
28 #define XFS_FS_GEOM_MAX_STRUCT_VER	(5)
29 extern void	xfs_fs_geometry(struct xfs_mount *mp, struct xfs_fsop_geom *geo,
30 				int struct_version);
31 extern int	xfs_sb_read_secondary(struct xfs_mount *mp,
32 				struct xfs_trans *tp, xfs_agnumber_t agno,
33 				struct xfs_buf **bpp);
34 extern int	xfs_sb_get_secondary(struct xfs_mount *mp,
35 				struct xfs_trans *tp, xfs_agnumber_t agno,
36 				struct xfs_buf **bpp);
37 
38 extern bool	xfs_validate_stripe_geometry(struct xfs_mount *mp,
39 		__s64 sunit, __s64 swidth, int sectorsize, bool silent);
40 
41 uint8_t xfs_compute_rextslog(xfs_rtbxlen_t rtextents);
42 
43 #endif	/* __XFS_SB_H__ */
44