On Sat, Mar 17, 2007 at 08:59:05PM +1100, Paul Mackerras wrote:

... but wouldn't work on 32-bit powerpc. :(  We would end up with a
pad argument between fd and offset, giving 7 arguments in all
(counting the loff_t's as 2), but we only support 6.

Ditto mips and parisc.