bug#49994: upgrade: have "-s" of 'ls' display alloc'd sizes for specified "--block-size"

[L A Walsh]

On 2021/08/15 21:36, Paul Eggert wrote:
> On 8/15/21 9:26 PM, L A Walsh wrote:
> > I don't want to display the allocated size on the current device,
> > but the size that would be allocated on a device with block-size=1-byte.
>
> There's no practical way for 'ls' to calculate that, as the kernel 
> doesn't reveal that information.

'du' can display sizes using and arbitrary block size with
no need for kernel support, but it doesn't have the format options
that ls has.

For determining the size with an arbitrary block size, the code
could just be dupped from 'du'.