[Tux3] Deferred namespace operations, Defer rename

[Maciej Żenczykowski]

I believe '/usr/bin/find' does use the link count for some
optimization (it assumes a directory has nlink-2 subdirectories, -2
since 1 for the link from parent to itself, and 1 for the '.'), but
should fall back to a less optimized mode if it sees a mismatch...

I've definitely seen it complain about mismatched link counts many
times before...

On Mon, Dec 15, 2008 at 10:35, Daniel Phillips <phillips at phunq.net> wrote:
> On Monday 15 December 2008 03:26, Maciej Żenczykowski wrote:
>> > answer if some unlinks have been deferred.  For some strange reason,
>> > directory link count only includes subdirectories, not regular files or
>> > other kinds of entries, so that cannot be relied on.  I am not sure
>>
>> That's because it's counting the '..' links in the subdirectories.
>
> Duh, thanks  And does anything actually rely on this count being equal
> to the number of subdirectories as opposed to being > greater than two
> for a non-empty directory?
>
> It would be a lot more useful to Tux3 as a directory in-use counter
> than as a subdirectory counter.
>
> Regards,
>
> Daniel
>
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