1/* -*- mode: c; c-basic-offset: 8; -*-
2 * vim: noexpandtab sw=8 ts=8 sts=0:
3 *
4 * file.h
5 *
6 * Function prototypes
7 *
8 * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public
12 * License as published by the Free Software Foundation; either
13 * version 2 of the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public
21 * License along with this program; if not, write to the
22 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 * Boston, MA 021110-1307, USA.
24 */
25
26#ifndef OCFS2_FILE_H
27#define OCFS2_FILE_H
28
29extern const struct file_operations ocfs2_fops;
30extern const struct file_operations ocfs2_dops;
31extern const struct inode_operations ocfs2_file_iops;
32extern const struct inode_operations ocfs2_special_file_iops;
33struct ocfs2_alloc_context;
34
35enum ocfs2_alloc_restarted {
36	RESTART_NONE = 0,
37	RESTART_TRANS,
38	RESTART_META
39};
40int ocfs2_do_extend_allocation(struct ocfs2_super *osb,
41			       struct inode *inode,
42			       u32 *cluster_start,
43			       u32 clusters_to_add,
44			       struct buffer_head *fe_bh,
45			       handle_t *handle,
46			       struct ocfs2_alloc_context *data_ac,
47			       struct ocfs2_alloc_context *meta_ac,
48			       enum ocfs2_alloc_restarted *reason);
49int ocfs2_lock_allocators(struct inode *inode, struct ocfs2_dinode *di,
50			  u32 clusters_to_add,
51			  struct ocfs2_alloc_context **data_ac,
52			  struct ocfs2_alloc_context **meta_ac);
53int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
54int ocfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
55		  struct kstat *stat);
56int ocfs2_permission(struct inode *inode, int mask,
57		     struct nameidata *nd);
58
59int ocfs2_should_update_atime(struct inode *inode,
60			      struct vfsmount *vfsmnt);
61int ocfs2_update_inode_atime(struct inode *inode,
62			     struct buffer_head *bh);
63
64#endif /* OCFS2_FILE_H */
65