Re: 64-bit kdev_t - just for playing

From: Roman Zippel (zippel@linux-m68k.org)
Date: Mon Mar 31 2003 - 18:42:40 EST


Hi,

On 31 Mar 2003, Alan Cox wrote:

> > 2. What compromises can we make for 2.6?
>
> Defaulting char devices to 256 minors and a lot of space so stuff doesnt
> break. Viro has done the block stuff and we have the scope to do sane
> stuff like /dev/disk/.. for all disks now.

What do you mean with "a lot of space so stuff doesnt break"?

> > Without answering these questions now, we risk to pay heavily for it
> > later. The ones who ask now for a larger dev_t the loudest are likely the
> > first to demand later not change anything for "compability", because they
> > hardcoded certain assumptions about dev_t into their applications.
>
> Glibc already has a bigger dev_t

and a broken mknod implementation...

bye, Roman

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