linux/fs/jfs/jfs_extent.h
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   1/*
   2 *   Copyright (C) International Business Machines Corp., 2000-2001
   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
   6 *   the Free Software Foundation; either version 2 of the License, or
   7 *   (at your option) any later version.
   8 *
   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
  15 *   along with this program;  if not, write to the Free Software
  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
  25extern int      extAlloc(struct inode *, s64, s64, xad_t *, bool);
  26extern int      extFill(struct inode *, xad_t *);
  27extern int      extHint(struct inode *, s64, xad_t *);
  28extern int      extRealloc(struct inode *, s64, xad_t *, bool);
  29extern int      extRecord(struct inode *, xad_t *);
  30
  31#endif  /* _H_JFS_EXTENT */
  32
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