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From: David Howells <dhowells@redhat.com>
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Subject: Re: [PATCH vfs/for-next v2] cgroup: fix top cgroup refcnt leak
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Date: Thu, 03 Jan 2019 15:44:58 +0000
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David Howells <dhowells@redhat.com> wrote:

> I'm not sure the refcount is correct after the second block (at the end of the
> second mount).  Should it have one ref per active sb?

No, it shouldn't because there's only one sb.

David