JDK 9 RFR of 8168628: (ch) JVM Crash in : ~StubRoutines::jshort_disjoint_arraycopy

[Brian Burkhalter]

On Dec 7, 2016, at 8:09 AM, Alan Bateman <Alan.Bateman at oracle.com> wrote:

>> So am I OK to push this patch now as-is, is more work required, or should it be deferred to JDK 10?
>> 
> It's probably okay although we should never be calling allocate0 to truncate the file. That is, I'd prefer if allocate0 was just a simpler that called fallocate, keep all decisions in FileChannelImpl.

I see what you are saying. If preferable I can change allocate0() to be like

#if defined(__linux__)
	fallocate64()
#else
	ftruncate64()
#endif

Thanks,

Brian
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