The design is not up to me and I am just developing the code and I need to develop the filter layer to convert the character buf to bio vects. But I am wondering if there is a easy way to do this.
> Date: Tue, 4 Oct 2011 10:46:18 -0700
> From: greg@kroah.com
> To: pointyx@live.com
> CC: kernelnewbies@kernelnewbies.org
> Subject: Re: How to open and write to a block driver within a character driver?
>
> On Tue, Oct 04, 2011 at 10:42:15AM -0700, Yang Xiang wrote:
> > I am taksed to develop a Block device driver which will be used within a
> > character device driver so the write to the character driver will be also
> > formatted, converted and duplicated to the block drvice.
>
> Why? That really makes no sense. Please explain what type of problem
> you are trying to solve with this design?
>
> greg k-h