On Tue, 29 Mar 2011, Bernhard Kaindl wrote:

Adding an call to "dput(lower_dentry);" for this specific case before the
call to unionfs_setfattr() causes unionfs_lookup to find the whiteout and

Correction: "call to" -> "return from"

the file is not shown in ls after the call to ftruncate(). If possible, it
would likely be best to have the copyup_dentry take care of this but I do
not know if this is possible. For now, I can only present this finding.

Bernhard
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