8c64fe0442
In CentOS 7.5 the kernel provided a compatibility wrapper to support O_TMPFILE. This results in the test setup script correctly detecting kernel support. But the ZFS module was built without O_TMPFILE support due to the non-standard CentOS kernel interface. Handle this case by updating the setup check to fail either when the kernel or the ZFS module fail to provide support. The reason will be clearly logged in the test results. Reviewed-by: Chunwei Chen <tuxoko@gmail.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #7528
ZFS on Linux is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.
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