RFR: 8338884: java/nio/file/attribute/BasicFileAttributeView/CreationTime.java#tmp fails on alinux3

[SendaoYan]

On Fri, 23 Aug 2024 03:58:37 GMT, SendaoYan <syan at openjdk.org> wrote:

> Hi all,
> On alinux3(alibaba cloud linux version 3) system, the `/tmp` disk partition is mounted as tmpfs filesystem type, this filesystem type doesn't support create time(birth time).
> 
> Before this PR, this test [check](https://github.com/openjdk/jdk/blob/master/test/jdk/java/nio/file/attribute/BasicFileAttributeView/CreationTime.java#L110) if there is `statx` system call present or not to determise the test environment support birth time or not. I think it's not enough when the tested filesystem type is `tmpfs`. When the tested filesystem type is `tmpfs`, then the tested file doesn't support birth time.
> 
> Test fix only, the change has been verified, no risk.

To reproduce the fails, test command on most linux system:

rm -rf /dev/shm/tmp/ ; jtreg -v:fail,error -w /dev/shm/tmp -nr test/jdk/java/nio/file/attribute/BasicFileAttributeView/CreationTime.java#cwd

-------------

PR Comment: https://git.openjdk.org/jdk/pull/20687#issuecomment-2307457366