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Mark Fashehccd979b2005-12-15 14:31:24 -08001/* -*- 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
Arjan van de Ven4b6f5d22006-03-28 01:56:42 -080029extern const struct file_operations ocfs2_fops;
30extern const struct file_operations ocfs2_dops;
Mark Fasheh53da4932008-07-21 14:29:16 -070031extern const struct file_operations ocfs2_fops_no_plocks;
32extern const struct file_operations ocfs2_dops_no_plocks;
Arjan van de Ven92e1d5b2007-02-12 00:55:39 -080033extern const struct inode_operations ocfs2_file_iops;
34extern const struct inode_operations ocfs2_special_file_iops;
Mark Fashehccd979b2005-12-15 14:31:24 -080035struct ocfs2_alloc_context;
Tao Ma0eb8d472008-08-18 17:38:45 +080036enum ocfs2_alloc_restarted;
Mark Fashehccd979b2005-12-15 14:31:24 -080037
Mark Fashehcf8e06f2007-12-20 16:43:10 -080038struct ocfs2_file_private {
39 struct file *fp_file;
40 struct mutex fp_mutex;
41 struct ocfs2_lock_res fp_flock;
42};
43
Tao Ma0eb8d472008-08-18 17:38:45 +080044int 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);
Jan Kara9e33d692008-08-25 19:56:50 +020054int ocfs2_simple_size_update(struct inode *inode,
55 struct buffer_head *di_bh,
56 u64 new_i_size);
Joel Becker56934862010-07-01 15:13:31 -070057int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh,
58 u64 new_i_size, u64 zero_to);
59int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh,
60 loff_t zero_to);
Mark Fashehccd979b2005-12-15 14:31:24 -080061int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
62int ocfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
63 struct kstat *stat);
Nick Pigginb74c79e2011-01-07 17:49:58 +110064int ocfs2_permission(struct inode *inode, int mask, unsigned int flags);
Mark Fashehccd979b2005-12-15 14:31:24 -080065
Tiger Yang7f1a37e2006-11-15 15:48:42 +080066int ocfs2_should_update_atime(struct inode *inode,
67 struct vfsmount *vfsmnt);
68int ocfs2_update_inode_atime(struct inode *inode,
69 struct buffer_head *bh);
70
Mark Fashehb2580102007-03-09 16:53:21 -080071int ocfs2_change_file_space(struct file *file, unsigned int cmd,
72 struct ocfs2_space_resv *sr);
73
Tao Ma293b2f72009-08-25 08:02:48 +080074int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
75 size_t count);
Mark Fashehccd979b2005-12-15 14:31:24 -080076#endif /* OCFS2_FILE_H */