695 cache_read(struct file *filp, char __user *buf, size_t count, loff_t *ppos)  in cache_read()  argument
702 	if (count == 0)  in cache_read()
734 		if (rp->offset + count > rq->len)  in cache_read()
735 			count = rq->len - rp->offset;  in cache_read()
737 		if (copy_to_user(buf, rq->buf + rp->offset, count))  in cache_read()
739 		rp->offset += count;  in cache_read()
766 	return err ? err :  count;  in cache_read()
772 cache_write(struct file *filp, const char __user *buf, size_t count,  in cache_write()  argument
778 	if (count == 0)  in cache_write()
780 	if (count >= sizeof(write_buf))  in cache_write()
785 	if (copy_from_user(write_buf, buf, count)) {  in cache_write()
789 	write_buf[count] = '\0';  in cache_write()
791 		err = cd->cache_parse(cd, write_buf, count);  in cache_write()
796 	return err ? err : count;  in cache_write()
1270 			    size_t count, loff_t *ppos)  in read_flush()  argument
1282 	if (len > count)  in read_flush()
1283 		len = count;  in read_flush()
1291 			     size_t count, loff_t *ppos)  in write_flush()  argument
1297 	if (*ppos || count > sizeof(tbuf)-1)  in write_flush()
1299 	if (copy_from_user(tbuf, buf, count))  in write_flush()
1301 	tbuf[count] = 0;  in write_flush()
1310 	*ppos += count;  in write_flush()
1311 	return count;  in write_flush()