You can check pairs of files with same size,mode,etc and with hardlink
count>1. That will dramatically reduce number of is_hardlinked() calls
(unless you construct a pathological case of 1000000 hardlinks to
> That's EXACTLY what an inode is: a unique index for each file that can be
> compared to see if two directory entries refer to the same actual file.
> (Anything ELSE an inode is is an implementation detail, sure.)
> These kind of numeric identifiers show up all over the place. Process ids,
> user ids, filehandles... It's not an implementation detail, it's a sane
I agree. API is not insane, but I wouldn't call it wonderful too.
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