Re: Unionmount and overlayfs testsuite

[Miklos Szeredi]

On Tue, Jun 3, 2014 at 11:00 AM, David Howells <dhowells@xxxxxxxxxx> 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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