[Info-vax] Re; Spiralog, RMS Journaling (was Re: FREESPADRIFT)

[lawrencedo99 at gmail.com]

On Tuesday, June 28, 2016 at 1:29:42 AM UTC+12, Johnny Billquist wrote:
> On 2016-06-24 12:03, Lawrence D’Oliveiro wrote:
> > On Thursday, June 23, 2016 at 10:27:12 PM UTC+12, Johnny Billquist wrote:
> >> On 2016-06-22 09:27, Lawrence D’Oliveiro wrote:
>>>> On Wednesday, June 22, 2016 at 3:30:03 AM UTC+12, Johnny Billquist wrote:
>>>>>
>>>>> Multiple hard links are not a problem for file system integrity.
>>>>
>>>> Yes they are.
>>>
>>> No, they are not. Like I said, you actually have hard links for
>>> directories all over the place already, you just don't realize it.
>>
>> Further to your ingenious riposte regarding “.” and “..”, could you
>> explain, given a directory which is a child of multiple parent
>> directories, where you think “..” in that directory should point to?
> 
> Congratulations. Now you find the reason why users are not allowed to 
> create their own hard links.

Strange. Didn’t you say above that “multiple hard links are not a problem for file system integrity”? Aren’t you now admitting that they are? Otherwise why forbid them, right?

>>>> Consider either (or both) of the following questions:
>>>>
>>>> * How do you prevent reference cycles?
>>>
>>> What is the problem with that? You already get those if you just follow
>>> symlinks blindly as well.
>>
>> You don’t understand the difference between hard links and symlinks?
> 
> I've heard people suggesting cycles many times. It's a strawman. There 
> are no problems with cycles ...

How do you delete a directory?