Messages in this thread | | | From | "J. R. Okajima" <> | Subject | Re: [PATCH v2] d_ino considered harmful | Date | Fri, 18 Jun 2010 03:04:08 +0900 |
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David Dillow: > For example, our main Lustre scratch space has over 285 million files in > it, and using find -inum takes over 72 hours to walk the tree using ::: > Using ne2scan -- which uses libext2fs and combines the inode scan and > the name lookup -- takes over 48 hours to generate a list of candidate > files for the purge example. With an optimized inode scan and the custom :::
While I've never heard of ne2scan, I am interested in this simplified problem such as "find the pathname(s) from an inum in a huge fs." Is ne2scan essentially equivalent to "debugfs ncheck inum"?
About Valeris's patch, as long as "ls -i" is useful/helpful, > + /* Use of d_ino without st_dev is always buggy. */ is not true.
J. R. Okajima
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