include/linux/fs.h

1983 struct file_operations {  struct
1984 	struct module *owner;
1985 	loff_t (*llseek) (struct file *, loff_t, int);
1986 	ssize_t (*read) (struct file *, char __user *, size_t, loff_t *);
1987 	ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
1988 	ssize_t (*read_iter) (struct kiocb *, struct iov_iter *);
1989 	ssize_t (*write_iter) (struct kiocb *, struct iov_iter *);
1990 	int (*iopoll)(struct kiocb *kiocb, struct io_comp_batch *,
1992 	int (*iterate_shared) (struct file *, struct dir_context *);
1993 	__poll_t (*poll) (struct file *, struct poll_table_struct *);
1994 	long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
1995 	long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
1996 	int (*mmap) (struct file *, struct vm_area_struct *);
1997 	unsigned long mmap_supported_flags;
1998 	int (*open) (struct inode *, struct file *);
1999 	int (*flush) (struct file *, fl_owner_t id);
2000 	int (*release) (struct inode *, struct file *);
2001 	int (*fsync) (struct file *, loff_t, loff_t, int datasync);
2002 	int (*fasync) (int, struct file *, int);
2003 	int (*lock) (struct file *, int, struct file_lock *);
2004 …ng (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
2005 	int (*check_flags)(int);
2006 	int (*flock) (struct file *, int, struct file_lock *);
2007 	ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int);
2008 	ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
2009 	void (*splice_eof)(struct file *file);
2010 	int (*setlease)(struct file *, int, struct file_lock **, void **);
2011 	long (*fallocate)(struct file *file, int mode, loff_t offset,
2013 	void (*show_fdinfo)(struct seq_file *m, struct file *f);
2015 	unsigned (*mmap_capabilities)(struct file *);
2017 	ssize_t (*copy_file_range)(struct file *, loff_t, struct file *,
2019 	loff_t (*remap_file_range)(struct file *file_in, loff_t pos_in,
2022 	int (*fadvise)(struct file *, loff_t, loff_t, int);
2023 	int (*uring_cmd)(struct io_uring_cmd *ioucmd, unsigned int issue_flags);
2024 	int (*uring_cmd_iopoll)(struct io_uring_cmd *, struct io_comp_batch *,