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 user_namespace *mnt_userns, struct dentry *dentry, 55 struct iattr *attr); 56 int ocfs2_getattr(struct user_namespace *mnt_userns, const struct path *path, 57 struct kstat *stat, u32 request_mask, unsigned int flags); 58 int ocfs2_permission(struct user_namespace *mnt_userns, 59 struct inode *inode, 60 int mask); 61 62 int ocfs2_should_update_atime(struct inode *inode, 63 struct vfsmount *vfsmnt); 64 int ocfs2_update_inode_atime(struct inode *inode, 65 struct buffer_head *bh); 66 67 int ocfs2_change_file_space(struct file *file, unsigned int cmd, 68 struct ocfs2_space_resv *sr); 69 70 int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos, 71 size_t count); 72 int ocfs2_remove_inode_range(struct inode *inode, 73 struct buffer_head *di_bh, u64 byte_start, 74 u64 byte_len); 75 #endif /* OCFS2_FILE_H */ 76