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
13 extern const struct file_operations ocfs2_fops;
14 extern const struct file_operations ocfs2_dops;
15 extern const struct file_operations ocfs2_fops_no_plocks;
16 extern const struct file_operations ocfs2_dops_no_plocks;
17 extern const struct inode_operations ocfs2_file_iops;
18 extern const struct inode_operations ocfs2_special_file_iops;
19 struct ocfs2_alloc_context;
20 enum ocfs2_alloc_restarted;
21
22 struct ocfs2_file_private {
23 struct file *fp_file;
24 struct mutex fp_mutex;
25 struct ocfs2_lock_res fp_flock;
26 };
27
28 int 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);
38 int ocfs2_set_inode_size(handle_t *handle,
39 struct inode *inode,
40 struct buffer_head *fe_bh,
41 u64 new_i_size);
42 int ocfs2_simple_size_update(struct inode *inode,
43 struct buffer_head *di_bh,
44 u64 new_i_size);
45 int ocfs2_truncate_file(struct inode *inode,
46 struct buffer_head *di_bh,
47 u64 new_i_size);
48 int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh,
49 u64 new_i_size, u64 zero_to);
50 int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh,
51 loff_t zero_to);
52 int ocfs2_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
53 struct iattr *attr);
54 int ocfs2_getattr(struct mnt_idmap *idmap, const struct path *path,
55 struct kstat *stat, u32 request_mask, unsigned int flags);
56 int ocfs2_permission(struct mnt_idmap *idmap,
57 struct inode *inode,
58 int mask);
59
60 int ocfs2_should_update_atime(struct inode *inode,
61 struct vfsmount *vfsmnt);
62 int ocfs2_update_inode_atime(struct inode *inode,
63 struct buffer_head *bh);
64
65 int ocfs2_change_file_space(struct file *file, unsigned int cmd,
66 struct ocfs2_space_resv *sr);
67
68 int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
69 size_t count);
70 int 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 */
74
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