cache: move open to thread pool

[Maxim Konovalov]

On 01/11/2018 15:30, Roman Arutyunyan wrote:
> Hi,
> 
> On Thu, Oct 04, 2018 at 12:32:26PM +0300, Roman Arutyunyan wrote:
>> Hi,
>>
>> On Thu, Sep 13, 2018 at 09:10:23PM +0300, Maxim Dounin wrote:
>>> Hello!
>>>
>>> On Tue, Sep 04, 2018 at 04:58:05PM -0700, Ka-Hing Cheung via nginx-devel wrote:
>>>
>>>> On Mon, Sep 3, 2018 at 9:09 AM, Maxim Dounin <mdounin at mdounin.ru> wrote:
>> [..]
>>
>> Here's another approach to thread open.  This time it's 4 patches:
>>
>> - #1 a small open file cache refactoring
>> - #2 thread open in open file cache
>> - #3 thread open in http static module
>> - #4 thread open in http file cache
> The next iteration of the work.
> Only 3 patches this time.

Testing and feedbacks are welcome.

-- 
Maxim Konovalov