RFR: 8232861: (fc) FileChannel.force fails on WebDAV file systems (macOS) [v2]

Wed Apr 7 20:39:43 UTC 2021

On Wed, 7 Apr 2021 18:16:34 GMT, Brian Burkhalter <bpb at openjdk.org> wrote:

>> I think this looks good, I'm just wondering to myself if it is possible to get ENOTSUP from a local device.
>
> I am going to try to test this.

I was unable to get `ENOTSUP` from local FAT32 or NTFS devices. However from the review discussion [1] of [2] it looks like `ENOTSUP` has been observed and is handled in other packages [3]. Is there any harm to leaving it in?

[1] https://bugs.openjdk.java.net/browse/JDK-8080589
[2] http://mail.openjdk.java.net/pipermail/nio-dev/2015-May/003160.html
[3] https://community.oracle.com/tech/developers/discussion/453477/patch-when-fnctl-fd-f-fullsync-0-returns-enotsup

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

PR: https://git.openjdk.java.net/jdk/pull/3366