Re: [9front] iounit: bump it across the board

[ori@eigenstate.org]

Quoth ori@eigenstate.org:
> Quoth noam@pixelhero.dev:
> > 
> > Are those buffers static? If they're dynamically allocated, I 
> > doubt it'd be an issue; I'm thinking of a use case where e.g.
> > file systems use large iounit but drivers use a small one.
> > 
> > That seems best of both worlds: minimal consumption where more
> > isn't needed, higher resource usage where it's beneficial and
> > cheap.
> 
> Try it out and report back -- tuning this easily is why I added
> the constant to libc.
> 

anyone give this a shot yet?

(not going to commit until it's been good and tested for a few
people)