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 u64 cookie; 24 struct file *fp_file; 25 struct mutex fp_mutex; 26 struct ocfs2_lock_res fp_flock; 27 }; 28 29 int ocfs2_add_inode_data(struct ocfs2_super *osb, 30 struct inode *inode, 31 u32 *logical_offset, 32 u32 clusters_to_add, 33 int mark_unwritten, 34 struct buffer_head *fe_bh, 35 handle_t *handle, 36 struct ocfs2_alloc_context *data_ac, 37 struct ocfs2_alloc_context *meta_ac, 38 enum ocfs2_alloc_restarted *reason_ret); 39 int ocfs2_set_inode_size(handle_t *handle, 40 struct inode *inode, 41 struct buffer_head *fe_bh, 42 u64 new_i_size); 43 int ocfs2_simple_size_update(struct inode *inode, 44 struct buffer_head *di_bh, 45 u64 new_i_size); 46 int ocfs2_truncate_file(struct inode *inode, 47 struct buffer_head *di_bh, 48 u64 new_i_size); 49 int ocfs2_extend_no_holes(struct inode *inode, struct buffer_head *di_bh, 50 u64 new_i_size, u64 zero_to); 51 int ocfs2_zero_extend(struct inode *inode, struct buffer_head *di_bh, 52 loff_t zero_to); 53 int ocfs2_setattr(struct mnt_idmap *idmap, struct dentry *dentry, 54 struct iattr *attr); 55 int ocfs2_getattr(struct mnt_idmap *idmap, const struct path *path, 56 struct kstat *stat, u32 request_mask, unsigned int flags); 57 int ocfs2_permission(struct mnt_idmap *idmap, 58 struct inode *inode, 59 int mask); 60 61 int ocfs2_should_update_atime(struct inode *inode, 62 struct vfsmount *vfsmnt); 63 int ocfs2_update_inode_atime(struct inode *inode, 64 struct buffer_head *bh); 65 66 int ocfs2_change_file_space(struct file *file, unsigned int cmd, 67 struct ocfs2_space_resv *sr); 68 69 int ocfs2_check_range_for_refcount(struct inode *inode, loff_t pos, 70 size_t count); 71 int ocfs2_remove_inode_range(struct inode *inode, 72 struct buffer_head *di_bh, u64 byte_start, 73 u64 byte_len); 74 #endif /* OCFS2_FILE_H */ 75