1 struct file_operations {
3 loff_t (*llseek) (struct file *, loff_t, int);
4 ssize_t (*read) (struct file *, char __user *, size_t, loff_t *);
5 ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);
6 ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
7 ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t);
8 int (*readdir) (struct file *, void *, filldir_t);
9 unsigned int (*poll) (struct file *, struct poll_table_struct *);
10 long (*unlocked_ioctl) (struct file *, unsigned int, unsigned long);
11 long (*compat_ioctl) (struct file *, unsigned int, unsigned long);
12 int (*mmap) (struct file *, struct vm_area_struct *);
13 int (*open) (struct inode *, struct file *);
14 int (*flush) (struct file *, fl_owner_t id);
15 int (*release) (struct inode *, struct file *);
16 int (*fsync) (struct file *, int datasync);
17 int (*aio_fsync) (struct kiocb *, int datasync);
18 int (*fasync) (int, struct file *, int);
19 int (*lock) (struct file *, int, struct file_lock *);
20 ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int);
21 unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
22 int (*check_flags)(int);
23 int (*flock) (struct file *, int, struct file_lock *);
24 ssize_t (*splice_write)(struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int);
25 ssize_t (*splice_read)(struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);
26 int (*setlease)(struct file *, long, struct file_lock **);