Code review request 7077769: (zipfs) ZipFileSystem.writeCEN() writes wrong "data size" for ZIP64 extended information extra field

[Alan Bateman]

Xueming Shen wrote:
> Alan
>
> Webrev has been updated to
>
> (1) use the new try(resource){}
> (2) update the existing test case LargetZip to
>      a) be able to add one more entry at the end of the > 4g zip via 
> ZipFileSystem
>      b) read through all entries inside the large zipfile, given 
> zipfile's self-crc-check
>          it guarantees the correctness of the zipfile. So it now goes 
> through 18G+
>          file read/write for one round:-)
>      (you have to use -XX:-UseLoopPredicate on server vm for now to 
> workaround
>        the C2 loop redicate bug)
>
> http://cr.openjdk.java.net/~sherman/7077769/webrev/
Looks good. On the test I guess I would have used Files.walkFileTree in 
the update method. Also in the mkdirs implementation can be replaced 
with Files.createDirectories.

-Alan.