-int file_send_actor(read_descriptor_t * desc, struct page *page, unsigned long offset, unsigned long size)
-{
- ssize_t written;
- unsigned long count = desc->count;
- struct file *file = desc->arg.data;
-
- if (size > count)
- size = count;
-
- written = file->f_op->sendpage(file, page, offset,
- size, &file->f_pos, size<count);
- if (written < 0) {
- desc->error = written;
- written = 0;
- }
- desc->count = count - written;
- desc->written += written;
- return written;
-}
-