Root/fs/ocfs2/file.h

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 file_operations ocfs2_fops_no_plocks;
32extern const struct file_operations ocfs2_dops_no_plocks;
33extern const struct inode_operations ocfs2_file_iops;
34extern const struct inode_operations ocfs2_special_file_iops;
35struct ocfs2_alloc_context;
36enum ocfs2_alloc_restarted;
37
38struct ocfs2_file_private {
39    struct file *fp_file;
40    struct mutex fp_mutex;
41    struct ocfs2_lock_res fp_flock;
42};
43
44int ocfs2_add_inode_data(struct ocfs2_super *osb,
45             struct inode *inode,
46             u32 *logical_offset,
47             u32 clusters_to_add,
48             int mark_unwritten,
49             struct buffer_head *fe_bh,
50             handle_t *handle,
51             struct ocfs2_alloc_context *data_ac,
52             struct ocfs2_alloc_context *meta_ac,
53             enum ocfs2_alloc_restarted *reason_ret);
54int ocfs2_simple_size_update(struct inode *inode,
55                 struct buffer_head *di_bh,
56                 u64 new_i_size);
57int ocfs2_extend_no_holes(struct inode *inode, u64 new_i_size,
58              u64 zero_to);
59int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
60int ocfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
61          struct kstat *stat);
62int ocfs2_permission(struct inode *inode, int mask);
63
64int ocfs2_should_update_atime(struct inode *inode,
65                  struct vfsmount *vfsmnt);
66int ocfs2_update_inode_atime(struct inode *inode,
67                 struct buffer_head *bh);
68
69int ocfs2_change_file_space(struct file *file, unsigned int cmd,
70                struct ocfs2_space_resv *sr);
71
72int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
73                   size_t count);
74#endif /* OCFS2_FILE_H */
75

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