Follow-up Comment #3, bug #24140 (project findutils):
<blockquote>I vaguely recall that when doing readdir() for an AFS file with
only "l" access, d_type would have an value corresponding to "unknown." In
which case, find(1) can assume that a stat() is pointless because it would
invariably fail.</blockquote>
That's not true in general for file systems other than AFS, though.
<blockquote>I didn't give it a -type predicate, and it can already tell which
ones are directories via d_type, so why go to the trouble?</blockquote>
Because it can't be sure that the DT_UNKNOWN entries aren't really
directories. It's possible that fts() could be changed to assume different
semantics for DT_UNKNOWN on AFS and non-AFS filesystems, but who would take up
the maintenance and testing burden for such a change?
Since I have no access to any AFS system for development, I'm not in a
position to test any changes relating to it.
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