/* -*- mode: c; c-basic-offset: 8; -*-
   * vim: noexpandtab sw=8 ts=8 sts=0:
   *
   * file.h
   *
   * Function prototypes
   *
   * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
   *
   * 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 021110-1307, USA.
   */
  
  #ifndef OCFS2_FILE_H
  #define OCFS2_FILE_H

  extern const struct file_operations ocfs2_fops;
  extern const struct file_operations ocfs2_dops;

  extern const struct file_operations ocfs2_fops_no_plocks;
  extern const struct file_operations ocfs2_dops_no_plocks;

  extern const struct inode_operations ocfs2_file_iops;
  extern const struct inode_operations ocfs2_special_file_iops;

  struct ocfs2_alloc_context;

  enum ocfs2_alloc_restarted;

  struct ocfs2_file_private {
  	struct file		*fp_file;
  	struct mutex		fp_mutex;
  	struct ocfs2_lock_res	fp_flock;
  };

  int ocfs2_add_inode_data(struct ocfs2_super *osb,
  			 struct inode *inode,
  			 u32 *logical_offset,
  			 u32 clusters_to_add,
  			 int mark_unwritten,
  			 struct buffer_head *fe_bh,
  			 handle_t *handle,
  			 struct ocfs2_alloc_context *data_ac,
  			 struct ocfs2_alloc_context *meta_ac,
  			 enum ocfs2_alloc_restarted *reason_ret);

  int ocfs2_simple_size_update(struct inode *inode,
  			     struct buffer_head *di_bh,
  			     u64 new_i_size);

  int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh,
  			  u64 new_i_size, u64 zero_to);
  int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh,
  		      loff_t zero_to);

  int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
  int ocfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
  		  struct kstat *stat);

  int ocfs2_permission(struct inode *inode, int mask);

  int ocfs2_should_update_atime(struct inode *inode,
  			      struct vfsmount *vfsmnt);
  int ocfs2_update_inode_atime(struct inode *inode,
  			     struct buffer_head *bh);

  int ocfs2_change_file_space(struct file *file, unsigned int cmd,
  			    struct ocfs2_space_resv *sr);

  int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
  				   size_t count);

  #endif /* OCFS2_FILE_H */