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37198c96bb
Due to an iput race, the "unlink wait for open on other mount" subtest can fail. If the unlink happens inline, then the test passes. But if the orphan scanner has to complete the unlink work, it's possible that there won't be enough log merge work for the scanner to do the cleanup before we look at the seq index. Add SCOUTFS_TRIGGER_FINALIZE_OURS, to allow forcing a log merge. Add new counters, merges_started and merges_completed, so that tests can see that a merge has happened. Then we have to wait for the orphan scanner to do its work. Add a new counter, orphan_scan_empty, that increments each time the scanner walks the entire inode space without finding any orphans. Once the test sees that counter increment, it should be safe to check the seq index and see that the unlinked inode is gone. Signed-off-by: Chris Kirby <ckirby@versity.com>