These are the tests that Josef requested accompany the submission of
the btrfs publishing/export patchset[1].
021: Test new global metadata reservation ioctl
022: Test new sysfs exporting of allocation and device membership
023: Test new sysfs exporting of feature bits
024: Test setting/clearing feature bits via ioctl
025: Test setting/clearing feature bits via sysfs
As part of the ioctl testing, I added a helper that can be extended
easily to export simple information via ioctl. This means that the
tests can be independent of btrfsprogs version or its output formatting.
V2:
- Used next numbers in sequence
- Better commit messages
- Fixed handling of the missing feature cases
- Fixed issues raised in Josef's review
-Jeff
[1] http://thread.gmane.org/gmane.comp.file-systems.btrfs/29307
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