Hi,

I am co-working on a read-only FUSE file system called CernVM-FS. It is used to 
provide executables and other data to various users over HTTP from a central 
repository. I am currently investigating the feasibility to use aufs in the 
update process of such repositories. Basically by attaching a read-write branch 
to the mounted repository volume, applying the update and synching the 
collected changes in the read-write branch into the repository afterwards.
This works quite well, up to synching hard links and distinguishing between 
edited and overwritten files, for which I would need to investigate the inode 
mappings aufs uses internally.

Is there a way, to access this information? I read about the xino file, which 
sounds as a solution to me, but I didn't find a way to access it. Is there 
another possibility to access these mappings?

Thank you,
René Meusel
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