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kernel/linux-imx6_3.14.28/fs/jfs/jfs_extent.h 1.29 KB
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  /*
   *   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 */