fs/ocfs2/file.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /* -*- mode: c; c-basic-offset: 8; -*-
   3  * vim: noexpandtab sw=8 ts=8 sts=0:
   4  *
   5  * file.h
   6  *
   7  * Function prototypes
   8  *
   9  * Copyright (C) 2002, 2004 Oracle.  All rights reserved.
  10  */
  11
  12 #ifndef OCFS2_FILE_H
  13 #define OCFS2_FILE_H
  14
  15 extern const struct file_operations ocfs2_fops;
  16 extern const struct file_operations ocfs2_dops;
  17 extern const struct file_operations ocfs2_fops_no_plocks;
  18 extern const struct file_operations ocfs2_dops_no_plocks;
  19 extern const struct inode_operations ocfs2_file_iops;
  20 extern const struct inode_operations ocfs2_special_file_iops;
  21 struct ocfs2_alloc_context;
  22 enum ocfs2_alloc_restarted;
  23
  24 struct ocfs2_file_private {
  25         struct file             *fp_file;
  26         struct mutex            fp_mutex;
  27         struct ocfs2_lock_res   fp_flock;
  28 };
  29
  30 int ocfs2_add_inode_data(struct ocfs2_super *osb,
  31                          struct inode *inode,
  32                          u32 *logical_offset,
  33                          u32 clusters_to_add,
  34                          int mark_unwritten,
  35                          struct buffer_head *fe_bh,
  36                          handle_t *handle,
  37                          struct ocfs2_alloc_context *data_ac,
  38                          struct ocfs2_alloc_context *meta_ac,
  39                          enum ocfs2_alloc_restarted *reason_ret);
  40 int ocfs2_set_inode_size(handle_t *handle,
  41                 struct inode *inode,
  42                 struct buffer_head *fe_bh,
  43                 u64 new_i_size);
  44 int ocfs2_simple_size_update(struct inode *inode,
  45                              struct buffer_head *di_bh,
  46                              u64 new_i_size);
  47 int ocfs2_truncate_file(struct inode *inode,
  48                 struct buffer_head *di_bh,
  49                 u64 new_i_size);
  50 int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh,
  51                           u64 new_i_size, u64 zero_to);
  52 int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh,
  53                       loff_t zero_to);
  54 int ocfs2_setattr(struct dentry *dentry, struct iattr *attr);
  55 int ocfs2_getattr(const struct path *path, struct kstat *stat,
  56                   u32 request_mask, unsigned int flags);
  57 int ocfs2_permission(struct inode *inode, int mask);
  58
  59 int ocfs2_should_update_atime(struct inode *inode,
  60                               struct vfsmount *vfsmnt);
  61 int ocfs2_update_inode_atime(struct inode *inode,
  62                              struct buffer_head *bh);
  63
  64 int ocfs2_change_file_space(struct file *file, unsigned int cmd,
  65                             struct ocfs2_space_resv *sr);
  66
  67 int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos,
  68                                    size_t count);
  69 int ocfs2_remove_inode_range(struct inode *inode,
  70                              struct buffer_head *di_bh, u64 byte_start,
  71                              u64 byte_len);
  72 #endif /* OCFS2_FILE_H */