include/linux/fs.h

2129 struct file_operations {  struct
2130 	struct module *owner;
2131 	fop_flags_t fop_flags;
2132 	loff_t (*llseek) (struct file *, loff_t, int);
2133 	ssize_t (*read) (struct file *, char __user *, size_t, loff_t *);
2134 	ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
2135 	ssize_t (*read_iter) (struct kiocb *, struct iov_iter *);
2136 	ssize_t (*write_iter) (struct kiocb *, struct iov_iter *);
2137 	int (*iopoll)(struct kiocb *kiocb, struct io_comp_batch *,
2139 	int (*iterate_shared) (struct file *, struct dir_context *);
2140 	__poll_t (*poll) (struct file *, struct poll_table_struct *);
2141 	long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
2142 	long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
2143 	int (*mmap) (struct file *, struct vm_area_struct *);
2144 	int (*open) (struct inode *, struct file *);
2145 	int (*flush) (struct file *, fl_owner_t id);
2146 	int (*release) (struct inode *, struct file *);
2147 	int (*fsync) (struct file *, loff_t, loff_t, int datasync);
2148 	int (*fasync) (int, struct file *, int);
2149 	int (*lock) (struct file *, int, struct file_lock *);
2150 …ng (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
2151 	int (*check_flags)(int);
2152 	int (*flock) (struct file *, int, struct file_lock *);
2153 	ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int);
2154 	ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
2155 	void (*splice_eof)(struct file *file);
2156 	int (*setlease)(struct file *, int, struct file_lease **, void **);
2157 	long (*fallocate)(struct file *file, int mode, loff_t offset,
2159 	void (*show_fdinfo)(struct seq_file *m, struct file *f);
2161 	unsigned (*mmap_capabilities)(struct file *);
2163 	ssize_t (*copy_file_range)(struct file *, loff_t, struct file *,
2165 	loff_t (*remap_file_range)(struct file *file_in, loff_t pos_in,
2168 	int (*fadvise)(struct file *, loff_t, loff_t, int);
2169 	int (*uring_cmd)(struct io_uring_cmd *ioucmd, unsigned int issue_flags);
2170 	int (*uring_cmd_iopoll)(struct io_uring_cmd *, struct io_comp_batch *,