/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * file.h
 *
 * Function prototypes
 *
 * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
 */

#ifndef OCFS2_FILE_H
#define OCFS2_FILE_H

extern const struct file_operations ocfs2_fops;
extern const struct file_operations ocfs2_dops;
extern const struct file_operations ocfs2_fops_no_plocks;
extern const struct file_operations ocfs2_dops_no_plocks;
extern const struct inode_operations ocfs2_file_iops;
extern const struct inode_operations ocfs2_special_file_iops;
struct ocfs2_alloc_context;
enum ocfs2_alloc_restarted;

struct ocfs2_file_private {
        u64                     cookie;
        struct file             *fp_file;
        struct mutex            fp_mutex;
        struct ocfs2_lock_res   fp_flock;
};

int ocfs2_add_inode_data(struct ocfs2_super *osb,
                         struct inode *inode,
                         u32 *logical_offset,
                         u32 clusters_to_add,
                         int mark_unwritten,
                         struct buffer_head *fe_bh,
                         handle_t *handle,
                         struct ocfs2_alloc_context *data_ac,
                         struct ocfs2_alloc_context *meta_ac,
                         enum ocfs2_alloc_restarted *reason_ret);
int ocfs2_set_inode_size(handle_t *handle,
                struct inode *inode,
                struct buffer_head *fe_bh,
                u64 new_i_size);
int ocfs2_simple_size_update(struct inode *inode,
                             struct buffer_head *di_bh,
                             u64 new_i_size);
int ocfs2_truncate_file(struct inode *inode,
                struct buffer_head *di_bh,
                u64 new_i_size);
int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh,
                          u64 new_i_size, u64 zero_to);
int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh,
                      loff_t zero_to);
int ocfs2_setattr(struct mnt_idmap *idmap, struct dentry *dentry,
                  struct iattr *attr);
int ocfs2_getattr(struct mnt_idmap *idmap, const struct path *path,
                  struct kstat *stat, u32 request_mask, unsigned int flags);
int ocfs2_permission(struct mnt_idmap *idmap,
                     struct inode *inode,
                     int mask);

int ocfs2_should_update_atime(struct inode *inode,
                              struct vfsmount *vfsmnt);
int ocfs2_update_inode_atime(struct inode *inode,
                             struct buffer_head *bh);

int ocfs2_change_file_space(struct file *file, unsigned int cmd,
                            struct ocfs2_space_resv *sr);

int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
                                   size_t count);
int ocfs2_remove_inode_range(struct inode *inode,
                             struct buffer_head *di_bh, u64 byte_start,
                             u64 byte_len);
#endif /* OCFS2_FILE_H */