Andreas Dilger:
> As the name implies, it is very extN specific. For Lustre 2.0 we use a
> different method to get O(1) FID (inode number) to pathname(s)
> lookup. Each file stores an xattr with the {parent FID, filename}
> tuples for each link to the file, whenever an inode is created,
> linked, unlinked, or renamed.
Honestly speaking, this approach is the one which came to my mind when I
read David's mail. Andreas's approach and explanation is perfect as I
should admire.
Thank you
J. R. Okajima
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