So I have a question regarding hardlinks.
I know that hardlinks work properly if they are in the same directory.
I know it fails if it's to a different directory hierarchy. When you
attempt to do a hard link across directory boundaries, it returns:
EXDEV (Invalid cross-device link)
This breaks OpenSSH's sftp if you are attempting to move files. A
rename of './blah/testfile' to './testing' will result in a failure.
Essentially, you can't move files around. You can only rename them in
the same directory via sftp.
I can see returning EXDEV for links across a VOLUME, since then you're
going across devices, but why does OpenAFS return EXDEV for stuff on
the same volume? Is there a reason that EXDEV instead of, say
EOPNOTSUPP?
Thanks,
Mike Garrison
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