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, 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);
61int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
62int ocfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
63		  struct kstat *stat);
64int ocfs2_permission(struct inode *inode, int mask);
65
66int 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
71int ocfs2_change_file_space(struct file *file, unsigned int cmd,
72			    struct ocfs2_space_resv *sr);
73
74int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
75				   size_t count);
 
 
 
76#endif /* OCFS2_FILE_H */

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/* -*- mode: c; c-basic-offset: 8; -*-
 3 * vim: noexpandtab sw=8 ts=8 sts=0:
 4 *
 5 * file.h
 6 *
 7 * Function prototypes
 8 *
 9 * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
10 */
11
12#ifndef OCFS2_FILE_H
13#define OCFS2_FILE_H
14
15extern const struct file_operations ocfs2_fops;
16extern const struct file_operations ocfs2_dops;
17extern const struct file_operations ocfs2_fops_no_plocks;
18extern const struct file_operations ocfs2_dops_no_plocks;
19extern const struct inode_operations ocfs2_file_iops;
20extern const struct inode_operations ocfs2_special_file_iops;
21struct ocfs2_alloc_context;
22enum ocfs2_alloc_restarted;
23
24struct ocfs2_file_private {
25	struct file		*fp_file;
26	struct mutex		fp_mutex;
27	struct ocfs2_lock_res	fp_flock;
28};
29
30int ocfs2_add_inode_data(struct ocfs2_super *osb,
31			 struct inode *inode,
32			 u32 *logical_offset,
33			 u32 clusters_to_add,
34			 int mark_unwritten,
35			 struct buffer_head *fe_bh,
36			 handle_t *handle,
37			 struct ocfs2_alloc_context *data_ac,
38			 struct ocfs2_alloc_context *meta_ac,
39			 enum ocfs2_alloc_restarted *reason_ret);
40int ocfs2_set_inode_size(handle_t *handle,
41		struct inode *inode,
42		struct buffer_head *fe_bh,
43		u64 new_i_size);
44int ocfs2_simple_size_update(struct inode *inode,
45			     struct buffer_head *di_bh,
46			     u64 new_i_size);
47int ocfs2_truncate_file(struct inode *inode,
48		struct buffer_head *di_bh,
49		u64 new_i_size);
50int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh,
51			  u64 new_i_size, u64 zero_to);
52int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh,
53		      loff_t zero_to);
54int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
55int ocfs2_getattr(const struct path *path, struct kstat *stat,
56		  u32 request_mask, unsigned int flags);
57int ocfs2_permission(struct inode *inode, int mask);
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
64int ocfs2_change_file_space(struct file *file, unsigned int cmd,
65			    struct ocfs2_space_resv *sr);
66
67int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
68				   size_t count);
69int ocfs2_remove_inode_range(struct inode *inode,
70			     struct buffer_head *di_bh, u64 byte_start,
71			     u64 byte_len);
72#endif /* OCFS2_FILE_H */