> t is difficult to find the hardlinked files.
> Do you know a better way other than "find /branch/fs -xdev -inum XXX"?
Suppose all hard links don't cross a branch
We don't need to search anothers when
case 1) a inode count of original file is 1 (no hard links).
case 2) often program overrides all hadlinks. as gcc-config do
case 3) when we do something with a file whose inode was copied up,
then hard link
this file to the new node (copy up) and decrement old inode count
After some delay a kernel thread can search a files for a copied up
inode (if its count is not zero) This may be a simple command like
list all files in aufs. If this time was no new hard link ops then all
old inodes may be dropped.
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