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SubjectRe: Unionmount and overlayfs testsuite
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On Tue, Jun 3, 2014 at 11:00 AM, David Howells <dhowells@redhat.com> wrote:
> My suspicion is that overlayfs is doing stuff to the lower layer whilst
> holding a lock on the upper layer or vice versa.

No. It's holding the overlayfs i_mutex and then getting either the
upper *or* the lower i_mutex, but never both. So it's a simple and
unproblematic ordering.

Thanks,
Miklos


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