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DateSat, 23 Dec 2006 15:00:18 +0100 (CET)
FromMikulas Patocka <>
SubjectRe: Finding hardlinks
>> If user (or script) doesn't specify that flag, it doesn't help. I think
>> the best solution for these filesystems would be either to add new syscall
>>  	int is_hardlink(char *filename1, char *filename2)
>> (but I know adding syscall bloat may be objectionable)>> it's also the wrong api; the filenames may have been changed under you
> just as you return from this call, so it really is a
> "was_hardlink_at_some_point()" as you specify it.
> If you make it work on fd's.. it has a chance at least.
Yes, but it doesn't matter --- if the tree changes under "cp -a" command, 
no one guarantees you what you get.
 	int fis_hardlink(int handle1, int handle 2);
Is another possibility but it can't detect hardlinked symlinks.

Mikulas
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