[Samba] aio-pthread, conflicting param info

[Miguel Medalha]

> On a related note:
>
> Some time ago, you instructed a user to use the following aio_pthread 
> parameter:
>
>     aio_pthread:aio open = true
>
> This is not undocumented in the man page. Does the parameter have any 
> effect, and what is the effect?
>
> Although I tried for a while, I couldn't locate your original message. 
> I don't remember whether it was posted on bugzilla or on a mailing 
> list, but I am positive this instruction was given to someone because 
> I took a note of the parameter, then.

I found the original message:

https://lists.samba.org/archive/samba/2016-April/199491.html

(In my previous message I wanted to say, of course, "not documented in 
the man page" :-) )