On Fri, Apr 14, 2006 at 03:57:11AM -0700, Kenneth Duda wrote:
> Consider this test script:
> 
> mount -t unionfs -o dirs=/tmp/b1=rw:/tmp/nfs=ro none ub

For nfs banches that are read-only, you should use nfsro instead of ro.

> if you are looking for one, it isn't there, so returning ENOENT is
> correct.  (An attempt to create a ".wh." file still returns EPERM).

It makes sense to return ENOENT during lookup, but it is more involved
than the patch you provided.

Also, your patch makes unionfs return ENOENT whenever one tries to
lookup .wh. - a lookup is part of open, etc., therefore one gets ENOENT
when doing something like: touch .wh.foo

Jeff.
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