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_set_inode_size(handle_t *handle,
55		struct inode *inode,
56		struct buffer_head *fe_bh,
57		u64 new_i_size);
58int ocfs2_simple_size_update(struct inode *inode,
59			     struct buffer_head *di_bh,
60			     u64 new_i_size);
61int ocfs2_truncate_file(struct inode *inode,
62		struct buffer_head *di_bh,
63		u64 new_i_size);
64int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh,
65			  u64 new_i_size, u64 zero_to);
66int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh,
67		      loff_t zero_to);
68int ocfs2_extend_allocation(struct inode *inode, u32 logical_start,
69		u32 clusters_to_add, int mark_unwritten);
70int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
71int ocfs2_getattr(struct vfsmount *mnt, struct dentry *dentry,
72		  struct kstat *stat);
73int ocfs2_permission(struct inode *inode, int mask);
 
74
75int ocfs2_should_update_atime(struct inode *inode,
76			      struct vfsmount *vfsmnt);
77int ocfs2_update_inode_atime(struct inode *inode,
78			     struct buffer_head *bh);
79
80int ocfs2_change_file_space(struct file *file, unsigned int cmd,
81			    struct ocfs2_space_resv *sr);
82
83int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
84				   size_t count);
85int ocfs2_remove_inode_range(struct inode *inode,
86			     struct buffer_head *di_bh, u64 byte_start,
87			     u64 byte_len);
88#endif /* OCFS2_FILE_H */

 1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 
 3 * file.h
 4 *
 5 * Function prototypes
 6 *
 7 * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 8 */
 9
10#ifndef OCFS2_FILE_H
11#define OCFS2_FILE_H
12
13extern const struct file_operations ocfs2_fops;
14extern const struct file_operations ocfs2_dops;
15extern const struct file_operations ocfs2_fops_no_plocks;
16extern const struct file_operations ocfs2_dops_no_plocks;
17extern const struct inode_operations ocfs2_file_iops;
18extern const struct inode_operations ocfs2_special_file_iops;
19struct ocfs2_alloc_context;
20enum ocfs2_alloc_restarted;
21
22struct ocfs2_file_private {
23	struct file		*fp_file;
24	struct mutex		fp_mutex;
25	struct ocfs2_lock_res	fp_flock;
26};
27
28int ocfs2_add_inode_data(struct ocfs2_super *osb,
29			 struct inode *inode,
30			 u32 *logical_offset,
31			 u32 clusters_to_add,
32			 int mark_unwritten,
33			 struct buffer_head *fe_bh,
34			 handle_t *handle,
35			 struct ocfs2_alloc_context *data_ac,
36			 struct ocfs2_alloc_context *meta_ac,
37			 enum ocfs2_alloc_restarted *reason_ret);
38int ocfs2_set_inode_size(handle_t *handle,
39		struct inode *inode,
40		struct buffer_head *fe_bh,
41		u64 new_i_size);
42int ocfs2_simple_size_update(struct inode *inode,
43			     struct buffer_head *di_bh,
44			     u64 new_i_size);
45int ocfs2_truncate_file(struct inode *inode,
46		struct buffer_head *di_bh,
47		u64 new_i_size);
48int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh,
49			  u64 new_i_size, u64 zero_to);
50int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh,
51		      loff_t zero_to);
52int ocfs2_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
53		  struct iattr *attr);
54int ocfs2_getattr(struct mnt_idmap *idmap, const struct path *path,
55		  struct kstat *stat, u32 request_mask, unsigned int flags);
56int ocfs2_permission(struct mnt_idmap *idmap,
57		     struct inode *inode,
58		     int mask);
59
60int ocfs2_should_update_atime(struct inode *inode,
61			      struct vfsmount *vfsmnt);
62int ocfs2_update_inode_atime(struct inode *inode,
63			     struct buffer_head *bh);
64
65int ocfs2_change_file_space(struct file *file, unsigned int cmd,
66			    struct ocfs2_space_resv *sr);
67
68int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
69				   size_t count);
70int ocfs2_remove_inode_range(struct inode *inode,
71			     struct buffer_head *di_bh, u64 byte_start,
72			     u64 byte_len);
73#endif /* OCFS2_FILE_H */