[deliverable/linux.git] / fs / jfs / jfs_extent.h

/*
 *   Copyright (C) International Business Machines Corp., 2000-2001
 *
 *   This program is free software;  you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
 *   the GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program;  if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
#ifndef	_H_JFS_EXTENT
#define _H_JFS_EXTENT

/*  get block allocation allocation hint as location of disk inode */
#define	INOHINT(ip)	\
	(addressPXD(&(JFS_IP(ip)->ixpxd)) + lengthPXD(&(JFS_IP(ip)->ixpxd)) - 1)

extern int	extAlloc(struct inode *, s64, s64, xad_t *, bool);
extern int	extFill(struct inode *, xad_t *);
extern int	extHint(struct inode *, s64, xad_t *);
extern int	extRealloc(struct inode *, s64, xad_t *, bool);
extern int	extRecord(struct inode *, xad_t *);

#endif	/* _H_JFS_EXTENT */
Commit	Line	Data
1da177e4	1	/*
63f83c9f	2	* Copyright (C) International Business Machines Corp., 2000-2001
1da177e4 LT	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License as published by
63f83c9f	6	* the Free Software Foundation; either version 2 of the License, or
1da177e4	7	* (at your option) any later version.
63f83c9f	8	*
1da177e4 LT	9	* This program is distributed in the hope that it will be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
	12	* the GNU General Public License for more details.
	13	*
	14	* You should have received a copy of the GNU General Public License
63f83c9f	15	* along with this program; if not, write to the Free Software
1da177e4 LT	16	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	17	*/
	18	#ifndef _H_JFS_EXTENT
	19	#define _H_JFS_EXTENT
	20
	21	/* get block allocation allocation hint as location of disk inode */
	22	#define INOHINT(ip) \
	23	(addressPXD(&(JFS_IP(ip)->ixpxd)) + lengthPXD(&(JFS_IP(ip)->ixpxd)) - 1)
	24
4d81715f	25	extern int extAlloc(struct inode , s64, s64, xad_t , bool);
1da177e4 LT	26	extern int extFill(struct inode , xad_t );
1da177e4 LT	27	extern int extHint(struct inode , s64, xad_t );
4d81715f	28	extern int extRealloc(struct inode , s64, xad_t , bool);
1da177e4 LT	29	extern int extRecord(struct inode , xad_t );
	30
	31	#endif /* _H_JFS_EXTENT */