215 int rw_verify_area(int read_write, struct file *file, loff_t *ppos, size_t count)  in rw_verify_area()  argument
224 	pos = *ppos;  in rw_verify_area()
252 ssize_t do_sync_read(struct file *filp, char __user *buf, size_t len, loff_t *ppos)  in do_sync_read()  argument
259 	kiocb.ki_pos = *ppos;  in do_sync_read()
271 	*ppos = kiocb.ki_pos;  in do_sync_read()
307 ssize_t do_sync_write(struct file *filp, const char __user *buf, size_t len, loff_t *ppos)  in do_sync_write()  argument
314 	kiocb.ki_pos = *ppos;  in do_sync_write()
326 	*ppos = kiocb.ki_pos;  in do_sync_write()
487 		unsigned long nr_segs, size_t len, loff_t *ppos, iov_fn_t fn)  in do_sync_readv_writev()  argument
493 	kiocb.ki_pos = *ppos;  in do_sync_readv_writev()
506 	*ppos = kiocb.ki_pos;  in do_sync_readv_writev()
512 		unsigned long nr_segs, loff_t *ppos, io_fn_t fn)  in do_loop_readv_writev()  argument
527 		nr = fn(filp, base, len, ppos);  in do_loop_readv_writev()
734 static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,  in do_sendfile()  argument
759 	if (!ppos)  in do_sendfile()
760 		ppos = &in_file->f_pos;  in do_sendfile()
764 	retval = rw_verify_area(READ, in_file, ppos, count);  in do_sendfile()
790 	pos = *ppos;  in do_sendfile()
812 	retval = do_splice_direct(in_file, ppos, out_file, count, fl);  in do_sendfile()
821 	if (*ppos > max)  in do_sendfile()