LXR linux/fs/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 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 */
  74