File: [Development] / xfs-cmds / xfsprogs / include / libxfs.h (download)
Revision 1.40, Fri Sep 16 15:19:56 2005 UTC (12 years, 1 month ago) by nathans.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.39: +3 -1
lines
Support for updated inline extended attributes format (attr2).
Merge of master-melb:xfs-cmds:23839a by kenmcd.
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/*
* Copyright (c) 2000-2005 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write the Free Software Foundation, Inc., 59
* Temple Place - Suite 330, Boston MA 02111-1307, USA.
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
*/
#ifndef __LIBXFS_H__
#define __LIBXFS_H__
#define XFS_BIG_INUMS 1
#define XFS_BIG_BLKNOS 1
#include <xfs/platform_defs.h>
#include <xfs/xfs_fs.h>
#include <xfs/xfs_types.h>
#include <xfs/xfs_arch.h>
#include <xfs/xfs_sb.h>
#include <xfs/xfs_bit.h>
#include <xfs/xfs_inum.h>
#include <xfs/xfs_ag.h>
#include <xfs/xfs_da_btree.h>
#include <xfs/xfs_bmap_btree.h>
#include <xfs/xfs_alloc_btree.h>
#include <xfs/xfs_ialloc_btree.h>
#include <xfs/xfs_alloc.h>
#include <xfs/xfs_ialloc.h>
#include <xfs/xfs_rtalloc.h>
#include <xfs/xfs_btree.h>
#include <xfs/xfs_dir_sf.h>
#include <xfs/xfs_dir_leaf.h>
#include <xfs/xfs_dir2.h>
#include <xfs/xfs_dir2_data.h>
#include <xfs/xfs_dir2_leaf.h>
#include <xfs/xfs_dir2_block.h>
#include <xfs/xfs_dir2_node.h>
#include <xfs/xfs_dir2_sf.h>
#include <xfs/xfs_attr_sf.h>
#include <xfs/xfs_dinode.h>
#include <xfs/xfs_attr_leaf.h>
#include <xfs/xfs_quota.h>
#include <xfs/xfs_mount.h>
#include <xfs/xfs_trans_space.h>
#include <xfs/xfs_inode.h>
#include <xfs/xfs_buf_item.h>
#include <xfs/xfs_inode_item.h>
#include <xfs/xfs_bmap.h>
#include <xfs/xfs_imap.h>
#include <xfs/xfs_log.h>
#include <xfs/xfs_log_priv.h>
#ifndef XFS_SUPER_MAGIC
#define XFS_SUPER_MAGIC 0x58465342
#endif
#define xfs_isset(a,i) ((a)[(i)/(sizeof((a))*NBBY)] & (1<<((i)%(sizeof((a))*NBBY))))
/*
* Argument structure for libxfs_init().
*/
typedef struct {
/* input parameters */
char *volname; /* pathname of volume */
char *dname; /* pathname of data "subvolume" */
char *logname; /* pathname of log "subvolume" */
char *rtname; /* pathname of realtime "subvolume" */
int isreadonly; /* filesystem is only read in applic */
int disfile; /* data "subvolume" is a regular file */ int dcreat; /* try to create data subvolume */
int lisfile; /* log "subvolume" is a regular file */
int lcreat; /* try to create log subvolume */
int risfile; /* realtime "subvolume" is a reg file */ int rcreat; /* try to create realtime subvolume */
char *notvolmsg; /* format string for not XLV message */
int notvolok; /* set if not XLV => try data */
int setblksize; /* attempt to set device blksize */
/* output results */
dev_t ddev; /* device for data subvolume */
dev_t logdev; /* device for log subvolume */
dev_t rtdev; /* device for realtime subvolume */
long long dsize; /* size of data subvolume (BBs) */
long long logBBsize; /* size of log subvolume (BBs) */
/* (blocks allocated for use as
* log is stored in mount structure) */
long long logBBstart; /* start block of log subvolume (BBs) */
long long rtsize; /* size of realtime subvolume (BBs) */
int dbsize; /* data subvolume device blksize */
int lbsize; /* log subvolume device blksize */
int rtbsize; /* realtime subvolume device blksize */
int dfd; /* data subvolume file descriptor */
int logfd; /* log subvolume file descriptor */
int rtfd; /* realtime subvolume file descriptor */
} libxfs_init_t;
#define LIBXFS_EXIT_ON_FAILURE 0x0001 /* exit the program if a call fails */
#define LIBXFS_ISREADONLY 0x0002 /* disallow all mounted filesystems */
#define LIBXFS_ISINACTIVE 0x0004 /* allow mounted only if mounted ro */
#define LIBXFS_DANGEROUSLY 0x0008 /* repairing a device mounted ro */
#define LIBXFS_EXCLUSIVELY 0x0010 /* disallow other accesses (O_EXCL) */
extern char *progname;
extern int libxfs_init (libxfs_init_t *);
extern int libxfs_device_to_fd (dev_t);
extern dev_t libxfs_device_open (char *, int, int, int);
extern void libxfs_device_zero (dev_t, xfs_daddr_t, uint);
extern void libxfs_device_close (dev_t);
/* check or write log footer: specify device, log size in blocks & uuid */
typedef xfs_caddr_t (libxfs_get_block_t)(xfs_caddr_t, int, void *);
extern int libxfs_log_clear (dev_t, xfs_daddr_t, uint, uuid_t *,
int, int, int);
extern int libxfs_log_header (xfs_caddr_t, uuid_t *, int, int, int,
libxfs_get_block_t *, void *);
/*
* Define a user-level mount structure with all we need
* in order to make use of the numerous XFS_* macros.
*/
struct xfs_inode;
typedef struct xfs_mount {
xfs_sb_t m_sb; /* copy of fs superblock */
char *m_fsname; /* filesystem name */
int m_bsize; /* fs logical block size */
xfs_agnumber_t m_agfrotor; /* last ag where space found */
xfs_agnumber_t m_agirotor; /* last ag dir inode alloced */
xfs_agnumber_t m_maxagi; /* highest inode alloc group */
uint m_rsumlevels; /* rt summary levels */
uint m_rsumsize; /* size of rt summary, bytes */
struct xfs_inode *m_rbmip; /* pointer to bitmap inode */
struct xfs_inode *m_rsumip; /* pointer to summary inode */
struct xfs_inode *m_rootip; /* pointer to root directory */
dev_t m_dev;
dev_t m_logdev;
dev_t m_rtdev;
__uint8_t m_dircook_elog; /* log d-cookie entry bits */
__uint8_t m_blkbit_log; /* blocklog + NBBY */
__uint8_t m_blkbb_log; /* blocklog - BBSHIFT */
__uint8_t m_sectbb_log; /* sectorlog - BBSHIFT */
__uint8_t m_agno_log; /* log #ag's */
__uint8_t m_agino_log; /* #bits for agino in inum */
__uint16_t m_inode_cluster_size;/* min inode buf size */
uint m_blockmask; /* sb_blocksize-1 */
uint m_blockwsize; /* sb_blocksize in words */
uint m_blockwmask; /* blockwsize-1 */
uint m_alloc_mxr[2]; /* XFS_ALLOC_BLOCK_MAXRECS */
uint m_alloc_mnr[2]; /* XFS_ALLOC_BLOCK_MINRECS */
uint m_bmap_dmxr[2]; /* XFS_BMAP_BLOCK_DMAXRECS */
uint m_bmap_dmnr[2]; /* XFS_BMAP_BLOCK_DMINRECS */
uint m_inobt_mxr[2]; /* XFS_INOBT_BLOCK_MAXRECS */
uint m_inobt_mnr[2]; /* XFS_INOBT_BLOCK_MINRECS */
uint m_ag_maxlevels; /* XFS_AG_MAXLEVELS */
uint m_bm_maxlevels[2]; /* XFS_BM_MAXLEVELS */
uint m_in_maxlevels; /* XFS_IN_MAXLEVELS */
xfs_perag_t *m_perag; /* per-ag accounting info */
uint m_flags; /* global mount flags */
uint m_qflags; /* quota status flags */
uint m_attroffset; /* inode attribute offset */
uint m_dir_node_ents; /* #entries in a dir danode */
uint m_attr_node_ents; /* #entries in attr danode */
int m_ialloc_inos; /* inodes in inode allocation */
int m_ialloc_blks; /* blocks in inode allocation */
int m_litino; /* size of inode union area */
int m_inoalign_mask;/* mask sb_inoalignmt if used */
xfs_trans_reservations_t m_reservations;/* precomputed res values */
__uint64_t m_maxicount; /* maximum inode count */
int m_dalign; /* stripe unit */
int m_swidth; /* stripe width */
int m_sinoalign; /* stripe unit inode alignmnt */
int m_attr_magicpct;/* 37% of the blocksize */
int m_dir_magicpct; /* 37% of the dir blocksize */
__uint8_t m_dirversion; /* 1 or 2 */
int m_dirblksize; /* directory block sz--bytes */
int m_dirblkfsbs; /* directory block sz--fsbs */
xfs_dablk_t m_dirdatablk; /* blockno of dir data v2 */
xfs_dablk_t m_dirleafblk; /* blockno of dir non-data v2 */
xfs_dablk_t m_dirfreeblk; /* blockno of dirfreeindex v2 */
} xfs_mount_t;
#define XFS_DIR_IS_V1(mp) ((mp)->m_dirversion == 1)
#define LIBXFS_MOUNT_ROOTINOS 0x0001
#define LIBXFS_MOUNT_DEBUGGER 0x0002
extern xfs_mount_t *libxfs_mount (xfs_mount_t *, xfs_sb_t *,
dev_t, dev_t, dev_t, int);
extern void libxfs_mount_common (xfs_mount_t *, xfs_sb_t *);
extern xfs_agnumber_t libxfs_initialize_perag (xfs_mount_t *, xfs_agnumber_t);
extern void libxfs_umount (xfs_mount_t *);
extern int libxfs_rtmount_init (xfs_mount_t *);
extern void libxfs_alloc_compute_maxlevels (xfs_mount_t *);
extern void libxfs_bmap_compute_maxlevels (xfs_mount_t *, int);
extern void libxfs_ialloc_compute_maxlevels (xfs_mount_t *);
extern void libxfs_trans_init (xfs_mount_t *);
/*
* Simple I/O interface
*/
typedef struct xfs_buf {
xfs_daddr_t b_blkno;
unsigned b_bcount;
dev_t b_dev;
void *b_fsprivate;
void *b_fsprivate2;
void *b_fsprivate3;
char *b_addr;
/* b_addr must be the last field */
} xfs_buf_t;
#define XFS_BUF_PTR(bp) ((bp)->b_addr)
#define xfs_buf_offset(bp, offset) (XFS_BUF_PTR(bp) + (offset))
#define XFS_BUF_ADDR(bp) ((bp)->b_blkno)
#define XFS_BUF_SIZE(bp) ((bp)->b_bcount)
#define XFS_BUF_COUNT(bp) ((bp)->b_bcount)
#define XFS_BUF_TARGET(bp) ((bp)->b_dev)
#define XFS_BUF_SET_PTR(bp,p,cnt) ((bp)->b_addr = (char *)(p)); \
XFS_BUF_SETCOUNT(bp,cnt)
#define XFS_BUF_SET_ADDR(bp,blk) ((bp)->b_blkno = (blk))
#define XFS_BUF_SETCOUNT(bp,cnt) ((bp)->b_bcount = (cnt))
#define XFS_BUF_FSPRIVATE(bp,type) ((type)(bp)->b_fsprivate)
#define XFS_BUF_SET_FSPRIVATE(bp,val) (bp)->b_fsprivate = (void *)(val)
#define XFS_BUF_FSPRIVATE2(bp,type) ((type)(bp)->b_fsprivate2)
#define XFS_BUF_SET_FSPRIVATE2(bp,val) (bp)->b_fsprivate2 = (void *)(val)
#define XFS_BUF_FSPRIVATE3(bp,type) ((type)(bp)->b_fsprivate3)
#define XFS_BUF_SET_FSPRIVATE3(bp,val) (bp)->b_fsprivate3 = (void *)(val)
extern xfs_buf_t *libxfs_getbuf (dev_t, xfs_daddr_t, int);
extern xfs_buf_t *libxfs_readbuf (dev_t, xfs_daddr_t, int, int);
extern xfs_buf_t *libxfs_getsb (xfs_mount_t *, int);
extern int libxfs_readbufr (dev_t, xfs_daddr_t, xfs_buf_t *, int, int);
extern int libxfs_writebuf (xfs_buf_t *, int);
extern int libxfs_writebuf_int (xfs_buf_t *, int);
extern void libxfs_putbuf (xfs_buf_t *);
#define LIBXFS_BREAD 0x1
#define LIBXFS_BWRITE 0x2
#define LIBXFS_BZERO 0x4
extern void libxfs_iomove (xfs_buf_t *, uint, int, void *, int);
/*
* Transaction interface
*/
typedef struct xfs_log_item {
struct xfs_log_item_desc *li_desc; /* ptr to current desc*/
struct xfs_mount *li_mountp; /* ptr to fs mount */
uint li_type; /* item type */
} xfs_log_item_t;
typedef struct xfs_inode_log_item {
xfs_log_item_t ili_item; /* common portion */
struct xfs_inode *ili_inode; /* inode pointer */
unsigned short ili_flags; /* misc flags */
unsigned int ili_last_fields; /* fields when flushed*/
xfs_inode_log_format_t ili_format; /* logged structure */
} xfs_inode_log_item_t;
typedef struct xfs_buf_log_item {
xfs_log_item_t bli_item; /* common item structure */
struct xfs_buf *bli_buf; /* real buffer pointer */
unsigned int bli_flags; /* misc flags */
unsigned int bli_recur; /* recursion count */
xfs_buf_log_format_t bli_format; /* in-log header */
} xfs_buf_log_item_t;
#include <xfs/xfs_trans.h>
typedef struct xfs_trans {
unsigned int t_type; /* transaction type */
unsigned int t_log_res; /* amt of log space resvd */
unsigned int t_log_count; /* count for perm log res */
xfs_mount_t *t_mountp; /* ptr to fs mount struct */
unsigned int t_flags; /* misc flags */
long t_icount_delta; /* superblock icount change */
long t_ifree_delta; /* superblock ifree change */
long t_fdblocks_delta; /* superblock fdblocks chg */
long t_frextents_delta; /* superblock freextents chg */
unsigned int t_items_free; /* log item descs free */
xfs_log_item_chunk_t t_items; /* first log item desc chunk */
} xfs_trans_t;
extern xfs_trans_t *libxfs_trans_alloc (xfs_mount_t *, int);
extern xfs_trans_t *libxfs_trans_dup (xfs_trans_t *);
extern int libxfs_trans_reserve (xfs_trans_t *, uint,uint,uint,uint,uint);
extern int libxfs_trans_commit (xfs_trans_t *, uint, xfs_lsn_t *);
extern void libxfs_trans_cancel (xfs_trans_t *, int);
extern void libxfs_mod_sb (xfs_trans_t *, __int64_t);
extern int libxfs_trans_iget (xfs_mount_t *, xfs_trans_t *, xfs_ino_t,
uint, uint, struct xfs_inode **);
extern void libxfs_trans_iput(xfs_trans_t *, struct xfs_inode *, uint);
extern void libxfs_trans_ijoin (xfs_trans_t *, struct xfs_inode *, uint);
extern void libxfs_trans_ihold (xfs_trans_t *, struct xfs_inode *);
extern void libxfs_trans_log_inode (xfs_trans_t *, struct xfs_inode *,
uint);
extern void libxfs_trans_brelse (xfs_trans_t *, struct xfs_buf *);
extern void libxfs_trans_binval (xfs_trans_t *, struct xfs_buf *);
extern void libxfs_trans_bjoin (xfs_trans_t *, struct xfs_buf *);
extern void libxfs_trans_bhold (xfs_trans_t *, struct xfs_buf *);
extern void libxfs_trans_log_buf (xfs_trans_t *, struct xfs_buf *,
uint, uint);
extern xfs_buf_t *libxfs_trans_get_buf (xfs_trans_t *, dev_t,
xfs_daddr_t, int, uint);
extern int libxfs_trans_read_buf (xfs_mount_t *, xfs_trans_t *, dev_t,
xfs_daddr_t, int, uint, struct xfs_buf **);
/*
* Simple memory interface
*/
typedef struct xfs_zone {
int zone_unitsize; /* Size in bytes of zone unit */
char *zone_name; /* tag name */
int allocated; /* debug: How many currently allocated */
} xfs_zone_t;
extern xfs_zone_t *libxfs_zone_init (int, char *);
extern void *libxfs_zone_zalloc (xfs_zone_t *);
extern void libxfs_zone_free (xfs_zone_t *, void *);
extern void *libxfs_malloc (size_t);
extern void libxfs_free (void *);
extern void *libxfs_realloc (void *, size_t);
/*
* Inode interface
*/
struct xfs_inode_log_item;
typedef struct xfs_inode {
xfs_mount_t *i_mount; /* fs mount struct ptr */
xfs_ino_t i_ino; /* inode number (agno/agino) */
xfs_daddr_t i_blkno; /* blkno of inode buffer */
dev_t i_dev; /* dev for this inode */
ushort i_len; /* len of inode buffer */
ushort i_boffset; /* off of inode in buffer */
xfs_ifork_t *i_afp; /* attribute fork pointer */
xfs_ifork_t i_df; /* data fork */
struct xfs_trans *i_transp; /* ptr to owning transaction */
struct xfs_inode_log_item *i_itemp; /* logging information */
unsigned int i_delayed_blks; /* count of delay alloc blks */
xfs_dinode_core_t i_d; /* most of ondisk inode */
} xfs_inode_t;
#define LIBXFS_ATTR_ROOT 0x0002 /* use attrs in root namespace */
#define LIBXFS_ATTR_SECURE 0x0008 /* use attrs in security namespace */
#define LIBXFS_ATTR_CREATE 0x0010 /* create, but fail if attr exists */
#define LIBXFS_ATTR_REPLACE 0x0020 /* set, but fail if attr not exists */
typedef struct {
uid_t cr_uid;
gid_t cr_gid;
} cred_t;
extern int libxfs_inode_alloc (xfs_trans_t **, xfs_inode_t *, mode_t,
ushort, xfs_dev_t, cred_t *, xfs_inode_t **);
extern void libxfs_trans_inode_alloc_buf (xfs_trans_t *, xfs_buf_t *);
extern void libxfs_idata_realloc (xfs_inode_t *, int, int);
extern void libxfs_idestroy_fork (xfs_inode_t *, int);
extern int libxfs_iread (xfs_mount_t *, xfs_trans_t *, xfs_ino_t,
xfs_inode_t **, xfs_daddr_t);
extern void libxfs_ichgtime (xfs_inode_t *, int);
extern int libxfs_iflush_int (xfs_inode_t *, xfs_buf_t *);
extern int libxfs_itobp (xfs_mount_t *, xfs_trans_t *, xfs_inode_t *,
xfs_dinode_t **, xfs_buf_t **, xfs_daddr_t);
extern int libxfs_iget (xfs_mount_t *, xfs_trans_t *, xfs_ino_t,
uint, xfs_inode_t **, xfs_daddr_t);
extern void libxfs_iput (xfs_inode_t *, uint);
/*
* Directory interface
*/
extern void libxfs_dir_mount (xfs_mount_t *);
extern void libxfs_dir2_mount (xfs_mount_t *);
extern int libxfs_dir_init (xfs_trans_t *, xfs_inode_t *, xfs_inode_t *);
extern int libxfs_dir2_init (xfs_trans_t *, xfs_inode_t *, xfs_inode_t *);
extern int libxfs_dir_createname (xfs_trans_t *, xfs_inode_t *, char *,
int, xfs_ino_t, xfs_fsblock_t *,
xfs_bmap_free_t *, xfs_extlen_t);
extern int libxfs_dir2_createname (xfs_trans_t *, xfs_inode_t *, char *,
int, xfs_ino_t, xfs_fsblock_t *,
xfs_bmap_free_t *, xfs_extlen_t);
extern int libxfs_dir_lookup (xfs_trans_t *, xfs_inode_t *,
char *, int, xfs_ino_t *);
extern int libxfs_dir2_lookup (xfs_trans_t *, xfs_inode_t *,
char *, int, xfs_ino_t *);
extern int libxfs_dir_replace (xfs_trans_t *, xfs_inode_t *,
char *, int, xfs_ino_t, xfs_fsblock_t *,
xfs_bmap_free_t *, xfs_extlen_t);
extern int libxfs_dir2_replace (xfs_trans_t *, xfs_inode_t *,
char *, int, xfs_ino_t, xfs_fsblock_t *,
xfs_bmap_free_t *, xfs_extlen_t);
extern int libxfs_dir_removename (xfs_trans_t *, xfs_inode_t *,
char *, int, xfs_ino_t, xfs_fsblock_t *,
xfs_bmap_free_t *, xfs_extlen_t);
extern int libxfs_dir2_removename (xfs_trans_t *, xfs_inode_t *,
char *, int, xfs_ino_t, xfs_fsblock_t *,
xfs_bmap_free_t *, xfs_extlen_t);
extern int libxfs_dir_bogus_removename (xfs_trans_t *, xfs_inode_t *,
char *, xfs_fsblock_t *, xfs_bmap_free_t *,
xfs_extlen_t, xfs_dahash_t, int);
extern int libxfs_dir2_bogus_removename (xfs_trans_t *, xfs_inode_t *,
char *, xfs_fsblock_t *, xfs_bmap_free_t *,
xfs_extlen_t, xfs_dahash_t, int);
/*
* Block map interface
*/
extern int libxfs_bmapi (xfs_trans_t *, xfs_inode_t *, xfs_fileoff_t,
xfs_filblks_t, int, xfs_fsblock_t *,
xfs_extlen_t, xfs_bmbt_irec_t *, int *,
xfs_bmap_free_t *);
extern int libxfs_bmap_finish (xfs_trans_t **, xfs_bmap_free_t *,
xfs_fsblock_t, int *);
extern int libxfs_bmap_next_offset (xfs_trans_t *, xfs_inode_t *,
xfs_fileoff_t *, int);
extern int libxfs_bunmapi (xfs_trans_t *, xfs_inode_t *, xfs_fileoff_t,
xfs_filblks_t, int, xfs_extnum_t,
xfs_fsblock_t *, xfs_bmap_free_t *, int *);
extern void libxfs_bmap_del_free (xfs_bmap_free_t *,
xfs_bmap_free_item_t *, xfs_bmap_free_item_t *);
/*
* All other routines we want to keep common...
*/
extern int libxfs_highbit32 (__uint32_t);
extern int libxfs_highbit64 (__uint64_t);
extern uint libxfs_da_log2_roundup (uint);
extern void libxfs_xlate_sb (void *, xfs_sb_t *, int, __int64_t);
extern void libxfs_xlate_dinode_core (xfs_caddr_t buf,
xfs_dinode_core_t *, int);
extern int libxfs_alloc_fix_freelist (xfs_alloc_arg_t *, int);
extern int libxfs_alloc_file_space (xfs_inode_t *, xfs_off_t,
xfs_off_t, int, int);
extern xfs_dahash_t libxfs_da_hashname (uchar_t *, int);
extern int libxfs_attr_leaf_newentsize (int, int, int, int *);
extern int libxfs_attr_set_int (xfs_inode_t*, char*, int, char*, int, int);
extern int libxfs_attr_remove_int (xfs_inode_t *, char *, int, int);
extern void libxfs_bmbt_get_all (xfs_bmbt_rec_t *, xfs_bmbt_irec_t *);
#if __BYTE_ORDER != __BIG_ENDIAN
extern void libxfs_bmbt_disk_get_all (xfs_bmbt_rec_t *, xfs_bmbt_irec_t *);
#else
# define libxfs_bmbt_disk_get_all(r,s) libxfs_bmbt_get_all(r,s)
#endif
extern int libxfs_free_extent (xfs_trans_t *, xfs_fsblock_t, xfs_extlen_t);
extern int libxfs_rtfree_extent (xfs_trans_t *, xfs_rtblock_t,
xfs_extlen_t);
/* Directory/Attribute routines used by xfs_repair */
extern void libxfs_da_bjoin (xfs_trans_t *, xfs_dabuf_t *);
extern int libxfs_da_shrink_inode (xfs_da_args_t *, xfs_dablk_t,
xfs_dabuf_t *);
extern int libxfs_da_grow_inode (xfs_da_args_t *, xfs_dablk_t *);
extern void libxfs_da_bhold (xfs_trans_t *, xfs_dabuf_t *);
extern void libxfs_da_brelse (xfs_trans_t *, xfs_dabuf_t *);
extern int libxfs_da_read_bufr (xfs_trans_t *, xfs_inode_t *, xfs_dablk_t,
xfs_daddr_t, xfs_dabuf_t **, int);
extern int libxfs_da_read_buf (xfs_trans_t *, xfs_inode_t *,
xfs_dablk_t, xfs_daddr_t, xfs_dabuf_t **, int);
extern int libxfs_da_get_buf (xfs_trans_t *, xfs_inode_t *,
xfs_dablk_t, xfs_daddr_t, xfs_dabuf_t **, int);
extern void libxfs_da_log_buf (xfs_trans_t *, xfs_dabuf_t *, uint, uint);
extern int libxfs_dir2_shrink_inode (xfs_da_args_t *, xfs_dir2_db_t,
xfs_dabuf_t *);
extern int libxfs_dir2_grow_inode (xfs_da_args_t *, int, xfs_dir2_db_t *);
extern int libxfs_dir2_isleaf (xfs_trans_t *, xfs_inode_t *, int *);
extern int libxfs_dir2_isblock (xfs_trans_t *, xfs_inode_t *, int *);
extern void libxfs_dir2_data_use_free (xfs_trans_t *, xfs_dabuf_t *,
xfs_dir2_data_unused_t *, xfs_dir2_data_aoff_t,
xfs_dir2_data_aoff_t, int *, int *);
extern void libxfs_dir2_data_make_free (xfs_trans_t *, xfs_dabuf_t *,
xfs_dir2_data_aoff_t, xfs_dir2_data_aoff_t,
int *, int *);
extern void libxfs_dir2_data_log_entry (xfs_trans_t *, xfs_dabuf_t *,
xfs_dir2_data_entry_t *);
extern void libxfs_dir2_data_log_header (xfs_trans_t *, xfs_dabuf_t *);
extern void libxfs_dir2_data_freescan (xfs_mount_t *, xfs_dir2_data_t *,
int *, char *);
extern void libxfs_dir2_free_log_bests (xfs_trans_t *, xfs_dabuf_t *,
int, int);
/* Shared utility routines */
extern unsigned int libxfs_log2_roundup(unsigned int i);
#endif /* __LIBXFS_H__ */
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