【驱动开发】file_operations ---linux 2.6.30

路径： linux-2.6.30/include/linux/fs.h

struct file_operations {

struct module *owner;

loff_t (*llseek) (struct file *, loff_t, int);

ssize_t (*read) (struct file *, char __user *, size_t, loff_t *);

ssize_t (*write) (struct file *, const char __user *, size_t, loff_t *);

ssize_t (*aio_read) (struct kiocb *, const struct iovec *, unsigned long, loff_t);

ssize_t (*aio_write) (struct kiocb *, const struct iovec *, unsigned long, loff_t);

int (*readdir) (struct file *, void *, filldir_t);

unsigned int (*poll) (struct file *, struct poll_table_struct *);

int (*ioctl) (struct inode *, struct file *, unsigned int, unsigned long);

long (*unlocked_ioctl) ( struct file *, unsigned int, unsigned long); // 新版 ioctl 去掉了inode 参数

long (*compat_ioctl) (struct file *, unsigned int, unsigned long);

int (*mmap) (struct file *, struct vm_area_struct *);

int (*open) (struct inode *, struct file *);

int (*flush) (struct file *, fl_owner_t id);

int (*release) (struct inode *, struct file *);

int (*fsync) (struct file *, struct dentry *, int datasync);

int (*aio_fsync) (struct kiocb *, int datasync);

int (*fasync) (int, struct file *, int);

int (*lock) (struct file *, int, struct file_lock *);

ssize_t (*sendpage) (struct file *, struct page *, int, size_t, loff_t *, int);

unsigned long (*get_unmapped_area) (struct file *, unsigned long, unsigned long, unsigned long, unsigned long);

int (*check_flags) (int);

int (*flock) (struct file *, int, struct file_lock *);

ssize_t (*splice_write) (struct pipe_inode_info *, struct file *, loff_t *, size_t, unsigned int);

ssize_t (*splice_read) (struct file *, loff_t *, struct pipe_inode_info *, size_t, unsigned int);

int (*setlease) (struct file *, long, struct file_lock **);

};

巴特西

【驱动开发】file_operations ---linux 2.6.30

最新文章

热门文章