8154077: (fs) Reduce number of file system classes loaded during startup

[Chris Hegarty]

On 12/04/16 18:37, Brian Burkhalter wrote:
> On Apr 12, 2016, at 7:07 AM, Alan Bateman <Alan.Bateman at oracle.com
> <mailto:Alan.Bateman at oracle.com>> wrote:
>
>> With jimage using the file system and channel APIs then there are more
>> NIO classes loaded during startup that previously. Brian Burkhalter
>> and I chatted briefly about it and there are a number of things that
>> we can do. The following is a first installation to improve
>> isRegularFile/isDirectory/exists for the common "no options" cases:
>>
>> http://cr.openjdk.java.net/~alanb/8154077/webrev/
>
> This looks fine to me.

+1.

>> This is the Unix provider only for now, we need to follow-up on with
>> some Windows specific changes but this can be done independently.
>
> I added https://bugs.openjdk.java.net/browse/JDK-8154100 to track the
> Windows-specific case and linked it to the present issue.

Good to follow up with similar on Windows too.

-Chris.