Re: ENOTTY from ext3 code?

[Richard B. Johnson]

On Tue, 19 Feb 2002, Pavel Machek wrote:

> Hi!
> 
> ext3/ioctl.c:
> 
> ...
> 	return -ENOTTY;
> 
> Does it really make sense to return "not a typewriter" from ext3
> ioctl?

But yes! The de-facto return code for a file-system ioctl() that
is undefined, i.e., wrong parameter, is ENOTTY. This is because
it really means "Not a terminal". Terminals have the most ioctls.

Cheers,
Dick Johnson

Penguin : Linux version 2.4.1 on an i686 machine (797.90 BogoMips).

        111,111,111 * 111,111,111 = 12,345,678,987,654,321