FW: wrapper device driver

[riya khanna]

On Mon, Feb 2, 2015 at 8:49 PM,  <Valdis.Kletnieks at vt.edu> wrote:
> On Mon, 02 Feb 2015 17:50:43 -0600, riya khanna said:
>> The purpose of multiplexing is to either block undesired
>> events/operations on devices (e.g. input, graphics) or respond to the
>> applications based on the in-memory state of device instances.
>
> Those who don't remember the history of filtering ioctl's for CD/RW devices
> are doomed to repeat it... :)
>

For those who don't remember the history of filtering ioctl's for
CD/RW devices, would you care to explain/point out the problem.