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 13 extern const struct file_operations ocfs2_fops; 14 extern const struct file_operations ocfs2_dops; 15 extern const struct file_operations ocfs2_fops_no_plocks; 16 extern const struct file_operations ocfs2_dops_no_plocks; 17 extern const struct inode_operations ocfs2_file_iops; 18 extern const struct inode_operations ocfs2_special_file_iops; 19 struct ocfs2_alloc_context; 20 enum ocfs2_alloc_restarted; 21 22 struct ocfs2_file_private { 23 struct file *fp_file; 24 struct mutex fp_mutex; 25 struct ocfs2_lock_res fp_flock; 26 }; 27 28 int 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); 38 int ocfs2_set_inode_size(handle_t *handle, 39 struct inode *inode, 40 struct buffer_head *fe_bh, 41 u64 new_i_size); 42 int ocfs2_simple_size_update(struct inode *inode, 43 struct buffer_head *di_bh, 44 u64 new_i_size); 45 int ocfs2_truncate_file(struct inode *inode, 46 struct buffer_head *di_bh, 47 u64 new_i_size); 48 int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh, 49 u64 new_i_size, u64 zero_to); 50 int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh, 51 loff_t zero_to); 52 int ocfs2_setattr(struct user_namespace *mnt_userns, struct dentry *dentry, 53 struct iattr *attr); 54 int ocfs2_getattr(struct user_namespace *mnt_userns, const struct path *path, 55 struct kstat *stat, u32 request_mask, unsigned int flags); 56 int ocfs2_permission(struct user_namespace *mnt_userns, 57 struct inode *inode, 58 int mask); 59 60 int ocfs2_should_update_atime(struct inode *inode, 61 struct vfsmount *vfsmnt); 62 int ocfs2_update_inode_atime(struct inode *inode, 63 struct buffer_head *bh); 64 65 int ocfs2_change_file_space(struct file *file, unsigned int cmd, 66 struct ocfs2_space_resv *sr); 67 68 int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos, 69 size_t count); 70 int 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