linux-kernel - Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init cgroupns

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Message-ID: <20151202165839.GD19878@mtj.duckdns.org>
Date:	Wed, 2 Dec 2015 11:58:39 -0500
From:	Tejun Heo <tj@...nel.org>
To:	"Serge E. Hallyn" <serge.hallyn@...ntu.com>
Cc:	serge@...lyn.com, linux-kernel@...r.kernel.org,
	adityakali@...gle.com, linux-api@...r.kernel.org,
	containers@...ts.linux-foundation.org, cgroups@...r.kernel.org,
	lxc-devel@...ts.linuxcontainers.org, akpm@...ux-foundation.org,
	ebiederm@...ssion.com
Subject: Re: [PATCH 7/8] cgroup: mount cgroupns-root when inside non-init
 cgroupns

On Wed, Dec 02, 2015 at 10:56:37AM -0600, Serge E. Hallyn wrote:
> Can it be flushed when we know that the cgroup is being pinned by
> a css_set?  (There's either a task or a cgroup_namespace pinning it
> or we wouldn't get here)

Yeap, it can be flushed.  There's no ref coming out of cgroup to the
vfs objects.

Thanks.

-- 
tejun
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