Hi,

I have a question about how unionfs handles file deletion when a write
enabled file system is union mounted over a read only file system. For
example, I do something like the following:

mount -t unionfs -o dirs=/snap=rw:rofs=ro unionfs /mnt

If a create and delete a file in /mnt which is not present in /rofs it
persists as whiteout in the snap layer which is not what I would have
expected.

Why does the deleted file persist as whiteout in the /snap layer of the
union mount?

-- 

Paul Albrecht
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