fs/gfs2/bmap.h

   1 /*
   2  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
   3  * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
   4  *
   5  * This copyrighted material is made available to anyone wishing to use,
   6  * modify, copy, or redistribute it subject to the terms and conditions
   7  * of the GNU General Public License version 2.
   8  */
   9
  10 #ifndef __BMAP_DOT_H__
  11 #define __BMAP_DOT_H__
  12
  13 struct inode;
  14 struct gfs2_inode;
  15 struct page;
  16
  17 int gfs2_unstuff_dinode(struct gfs2_inode *ip, struct page *page);
  18 int gfs2_block_map(struct inode *inode, u64 lblock, int create, struct buffer_head *bh);
  19 int gfs2_extent_map(struct inode *inode, u64 lblock, int *new, u64 *dblock, unsigned *extlen);
  20
  21 int gfs2_truncatei(struct gfs2_inode *ip, u64 size);
  22 int gfs2_truncatei_resume(struct gfs2_inode *ip);
  23 int gfs2_file_dealloc(struct gfs2_inode *ip);
  24
  25 void gfs2_write_calc_reserv(struct gfs2_inode *ip, unsigned int len,
  26                             unsigned int *data_blocks,
  27                             unsigned int *ind_blocks);
  28 int gfs2_write_alloc_required(struct gfs2_inode *ip, u64 offset,
  29                               unsigned int len, int *alloc_required);
  30
  31 #endif /* __BMAP_DOT_H__ */