/* $NetBSD: efs_subr.h,v 1.2 2007/07/04 19:24:09 rumble Exp $ */
/*
* Copyright (c) 2006 Stephen M. Rumble <
[email protected]>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _FS_EFS_EFS_SUBR_H_
#define _FS_EFS_EFS_SUBR_H_
extern struct pool efs_inode_pool;
struct efs_extent_iterator {
struct efs_inode *exi_eip;
off_t exi_next; /* next logical extent*/
off_t exi_dnext; /* next direct extent */
off_t exi_innext; /* next indirect ext. */
};
int32_t efs_sb_checksum(struct efs_sb *, int);
int efs_sb_validate(struct efs_sb *, const char **);
void efs_locate_inode(ino_t, struct efs_sb *, uint32_t *, int *);
int efs_read_inode(struct efs_mount *, ino_t, struct lwp *,
struct efs_dinode *);
void efs_dextent_to_extent(struct efs_dextent *, struct efs_extent *);
void efs_extent_to_dextent(struct efs_extent *, struct efs_dextent *);
int efs_inode_lookup(struct efs_mount *, struct efs_inode *,
struct componentname *, ino_t *);
int efs_bread(struct efs_mount *, uint32_t, struct lwp *, struct buf **);
void efs_sync_inode_to_dinode(struct efs_inode *);
void efs_sync_dinode_to_inode(struct efs_inode *);
void efs_extent_iterator_init(struct efs_extent_iterator *,
struct efs_inode *, off_t);
int efs_extent_iterator_next(struct efs_extent_iterator *,
struct efs_extent *);
#endif /* !_FS_EFS_EFS_SUBR_H_ */
