To operate as an NFS server [refs], the repository must assign a 32-byte NFS file handle to … or directory by its handle. … Another problem … is how to implement the parent links in … The repository solves both these problems with a … externally visible directory tree that was used to … The index numbers are packed into the longid … [p. 102] Longids are not reused, because directory entries … files in volatile directories are usually given a … pathname. … [p. 103] shortid-based longids … [make] copy-on-write … impossible. … Second, shortid-based longids sacrifice the ability to find … [making them] … unsuitable for directories.
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