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efs_subr.h revision 1.1 
      1  1.1  rumble /*	$NetBSD: efs_subr.h,v 1.1 2007/06/29 23:30:30 rumble Exp $	*/
      2  1.1  rumble 
      3  1.1  rumble /*
      4  1.1  rumble  * Copyright (c) 2006 Stephen M. Rumble <rumble (at) ephemeral.org>
      5  1.1  rumble  *
      6  1.1  rumble  * Permission to use, copy, modify, and distribute this software for any
      7  1.1  rumble  * purpose with or without fee is hereby granted, provided that the above
      8  1.1  rumble  * copyright notice and this permission notice appear in all copies.
      9  1.1  rumble  *
     10  1.1  rumble  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
     11  1.1  rumble  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
     12  1.1  rumble  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
     13  1.1  rumble  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     14  1.1  rumble  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
     15  1.1  rumble  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
     16  1.1  rumble  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
     17  1.1  rumble  */
     18  1.1  rumble 
     19  1.1  rumble #ifndef _FS_EFS_EFS_SUBR_H_
     20  1.1  rumble #define _FS_EFS_EFS_SUBR_H_
     21  1.1  rumble 
     22  1.1  rumble extern struct pool efs_inode_pool;
     23  1.1  rumble 
     24  1.1  rumble struct efs_extent_iterator {
     25  1.1  rumble 	struct efs_inode       *exi_eip;
     26  1.1  rumble 	off_t			exi_next;		/* next logical extent*/
     27  1.1  rumble 	off_t			exi_dnext;		/* next direct extent */
     28  1.1  rumble 	off_t			exi_innext;		/* next indirect ext */
     29  1.1  rumble 	struct efs_dextent     *exi_incache;		/* indirect ext cache */
     30  1.1  rumble 	size_t			exi_nincache;		/* size of incache */
     31  1.1  rumble };
     32  1.1  rumble 
     33  1.1  rumble int32_t	efs_sb_checksum(struct efs_sb *, int);
     34  1.1  rumble int	efs_sb_validate(struct efs_sb *, const char **);
     35  1.1  rumble void	efs_locate_inode(ino_t, struct efs_sb *, uint32_t *, int *);
     36  1.1  rumble int	efs_read_inode(struct efs_mount *, ino_t, struct lwp *,
     37  1.1  rumble 	    struct efs_dinode *);
     38  1.1  rumble void	efs_dextent_to_extent(struct efs_dextent *, struct efs_extent *);
     39  1.1  rumble void	efs_extent_to_dextent(struct efs_extent *, struct efs_dextent *);
     40  1.1  rumble int	efs_inode_lookup(struct efs_mount *, struct efs_inode *,
     41  1.1  rumble 	    struct componentname *, ino_t *);
     42  1.1  rumble int	efs_bread(struct efs_mount *, uint32_t, int, struct lwp *,
     43  1.1  rumble 	    struct buf **);
     44  1.1  rumble void	efs_sync_inode_to_dinode(struct efs_inode *);
     45  1.1  rumble void	efs_sync_dinode_to_inode(struct efs_inode *);
     46  1.1  rumble void	efs_extent_iterator_init(struct efs_extent_iterator *,
     47  1.1  rumble 	    struct efs_inode *);
     48  1.1  rumble int	efs_extent_iterator_next(struct efs_extent_iterator *,
     49  1.1  rumble 	    struct efs_extent *);
     50  1.1  rumble void	efs_extent_iterator_free(struct efs_extent_iterator *);
     51  1.1  rumble 
     52  1.1  rumble #endif /* !_FS_EFS_EFS_SUBR_H_ */
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