[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: HEADS UP: I will be merging christos-time_t by the end of the week
On Tue, Jan 06, 2009 at 07:01:11PM +0100, Matthias Drochner wrote:
> -major()/minor() return 64-bit numbers now, but calculations
> are done with ints and 32 bits elsewhere in the kernel.
> Imho it would be better to leave major and minor numbers
> alone for now - for now only 12/20 bits are used anyway,
> and any change here would require a lot more compatibility
> considerations. And use of 64-bit arithmetics where not
> necessary is wasteful, at least on 32-bit machines.
> -Likewise, major numbers should not use NODEV as special
> value. This is a different namespace.
What conclusions did we come to regarding PR 39215? I got behind on
the discussion there at the time and haven't caught up on it yet.
(Or were there no conclusions and this is the next round?)
I think your(?) argument that minor numbers are used for array
indexing and whatnot and shouldn't be bigger than machine words was
David A. Holland
Main Index |
Thread Index |