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 user_namespace *mnt_userns, struct dentry *dentry,
53		  struct iattr *attr);
54int ocfs2_getattr(struct user_namespace *mnt_userns, const struct path *path,
55		  struct kstat *stat, u32 request_mask, unsigned int flags);
56int ocfs2_permission(struct user_namespace *mnt_userns,
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 */

 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	u64			cookie;
24	struct file		*fp_file;
25	struct mutex		fp_mutex;
26	struct ocfs2_lock_res	fp_flock;
27};
28
29int ocfs2_add_inode_data(struct ocfs2_super *osb,
30			 struct inode *inode,
31			 u32 *logical_offset,
32			 u32 clusters_to_add,
33			 int mark_unwritten,
34			 struct buffer_head *fe_bh,
35			 handle_t *handle,
36			 struct ocfs2_alloc_context *data_ac,
37			 struct ocfs2_alloc_context *meta_ac,
38			 enum ocfs2_alloc_restarted *reason_ret);
39int ocfs2_set_inode_size(handle_t *handle,
40		struct inode *inode,
41		struct buffer_head *fe_bh,
42		u64 new_i_size);
43int ocfs2_simple_size_update(struct inode *inode,
44			     struct buffer_head *di_bh,
45			     u64 new_i_size);
46int ocfs2_truncate_file(struct inode *inode,
47		struct buffer_head *di_bh,
48		u64 new_i_size);
49int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh,
50			  u64 new_i_size, u64 zero_to);
51int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh,
52		      loff_t zero_to);
53int ocfs2_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
54		  struct iattr *attr);
55int ocfs2_getattr(struct mnt_idmap *idmap, const struct path *path,
56		  struct kstat *stat, u32 request_mask, unsigned int flags);
57int ocfs2_permission(struct mnt_idmap *idmap,
58		     struct inode *inode,
59		     int mask);
60
61int ocfs2_should_update_atime(struct inode *inode,
62			      struct vfsmount *vfsmnt);
63int ocfs2_update_inode_atime(struct inode *inode,
64			     struct buffer_head *bh);
65
66int ocfs2_change_file_space(struct file *file, unsigned int cmd,
67			    struct ocfs2_space_resv *sr);
68
69int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
70				   size_t count);
71int ocfs2_remove_inode_range(struct inode *inode,
72			     struct buffer_head *di_bh, u64 byte_start,
73			     u64 byte_len);
74#endif /* OCFS2_FILE_H */