/* $NetBSD: efs_subr.h,v 1.2 2007/07/04 19:24:09 rumble Exp $ */ /* * Copyright (c) 2006 Stephen M. Rumble <rumble@ephemeral.org> * * 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_ */ |