aio in GENERIC?

[Mark Atkinson]

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On 08/01/2012 00:46, Maxim Konovalov wrote:
> On Mon, 30 Jul 2012, 15:58-0400, John Baldwin wrote:
> 
>> On Monday, July 30, 2012 3:27:31 pm Andriy Gapon wrote:
>>> on 30/07/2012 16:31 John Baldwin said the following:
>>>> On Wednesday, July 18, 2012 10:43:42 am George Neville-Neil
>>>> wrote:
>>>>> Howdy,
>>>>> 
>>>>> I was wondering why aio is not yet in GENERIC.  Now that
>>>>> it's properly locked and all.
>>>> 
>>>> GENERIC does have it as a module so 'kldload aio' or
>>>> 'aio_load=YES' in loader.conf works for folks who need it.
>>>> 
>>> 
>>> The same could be said about many other drivers that are in
>>> GENERIC _kernel_. So, what was your point? :-)
>> 
>> I don't think aio was out of GENERIC because it wasn't locked
>> IIRC, just that it had few users.  Is there any popular software
>> that uses it?
>> 
> nginx does use it.  Not by default though.
> 

Samba can actually get a huge performance boost from using it.
There was something broken kernel wise the last time I tried to use it
in -current, but I don't recall what that was.
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