fs/xfs/libxfs/xfs_sb.h

   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, bool update_rtsb);
  19 extern void     xfs_sb_mount_common(struct xfs_mount *mp, struct xfs_sb *sbp);
  20 void            xfs_sb_mount_rextsize(struct xfs_mount *mp, struct xfs_sb *sbp);
  21 void            xfs_mount_sb_set_rextsize(struct xfs_mount *mp,
  22                         struct xfs_sb *sbp, xfs_agblock_t rextsize);
  23 extern void     xfs_sb_from_disk(struct xfs_sb *to, struct xfs_dsb *from);
  24 extern void     xfs_sb_to_disk(struct xfs_dsb *to, struct xfs_sb *from);
  25 extern void     xfs_sb_quota_from_disk(struct xfs_sb *sbp);
  26 extern bool     xfs_sb_good_version(struct xfs_sb *sbp);
  27 extern uint64_t xfs_sb_version_to_features(struct xfs_sb *sbp);
  28
  29 extern int      xfs_update_secondary_sbs(struct xfs_mount *mp);
  30
  31 #define XFS_FS_GEOM_MAX_STRUCT_VER      (5)
  32 extern void     xfs_fs_geometry(struct xfs_mount *mp, struct xfs_fsop_geom *geo,
  33                                 int struct_version);
  34 extern int      xfs_sb_read_secondary(struct xfs_mount *mp,
  35                                 struct xfs_trans *tp, xfs_agnumber_t agno,
  36                                 struct xfs_buf **bpp);
  37 extern int      xfs_sb_get_secondary(struct xfs_mount *mp,
  38                                 struct xfs_trans *tp, xfs_agnumber_t agno,
  39                                 struct xfs_buf **bpp);
  40
  41 bool    xfs_validate_stripe_geometry(struct xfs_mount *mp,
  42                 __s64 sunit, __s64 swidth, int sectorsize, bool may_repair,
  43                 bool silent);
  44 bool    xfs_validate_rt_geometry(struct xfs_sb *sbp);
  45
  46 uint8_t xfs_compute_rextslog(xfs_rtbxlen_t rtextents);
  47 int xfs_compute_rgblklog(xfs_rtxlen_t rgextents, xfs_rgblock_t rextsize);
  48
  49 #endif  /* __XFS_SB_H__ */