unix: fix IoctlFileDedupeRange test

The test introduced in CL 284352 breaks on several builders, either
with IoctlFileDedupeRange returning ENOTTY (as already seen for android
in the TryBot run) or returning EINVAL in the FileDedupeRange.Status
field. Both seem to indicate that the underlying filesystem doesn't
support deduplication, so skip the test in these cases.

Also rename the test to indicate the func it is testing.

Change-Id: I29553a5fc95f98335cb233f05d4c2dfb5640dc4c
Reviewed-on: https://go-review.googlesource.com/c/sys/+/295911
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Matt Layher <mdlayher@gmail.com>
1 file changed
tree: 427ec8e4c29f5a263bb3ecf418120a5998f0c271
  1. cpu/
  2. execabs/
  3. internal/
  4. plan9/
  5. unix/
  6. windows/
  7. .gitattributes
  8. .gitignore
  9. AUTHORS
  10. codereview.cfg
  11. CONTRIBUTING.md
  12. CONTRIBUTORS
  13. go.mod
  14. LICENSE
  15. PATENTS
  16. README.md
README.md

sys

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This repository holds supplemental Go packages for low-level interactions with the operating system.

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