Re: modify chmod

[Jim Meyering]

jeff.liu wrote:
> Hi Jim,
>
> Thanks for your so detailed instruction! And sorry for my later response, I 
> just back from travel.
>
> Could you please check my comments inline?
...

This is the most important point:

>> [*] This change is intended to be an optimization.
>> I am leery of letting an optimization change the semantics of a
>> program like chmod (which is already very efficient), even if only
>> for the unusual case of a bind-mounted ACL-possessing non-directory
>> that resides on an NFS-mounted file system.
>> Other opinions?

Considering that this optimization is possible only
if we agree to degrade (even by only a small amount)
chmod's correctness, I am inclined to drop it.

No one disagreed.