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