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Date: Mon, 7 Mar 2016 10:50:13 +0100
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Subject: Re: [PATCH 1/4] ovl: honor flag MS_SILENT at mount
From: Miklos Szeredi <miklos@szeredi.hu>
To: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Linux-Fsdevel <linux-fsdevel@vger.kernel.org>,
	Kernel Mailing List <linux-kernel@vger.kernel.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	"linux-unionfs@vger.kernel.org" <linux-unionfs@vger.kernel.org>,
	LSM <linux-security-module@vger.kernel.org>
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On Mon, Jun 29, 2015 at 7:18 PM, Konstantin Khlebnikov
<khlebnikov@yandex-team.ru> wrote:
> This patch hides error about missing lowerdir if MS_SILENT is set.
>
> We use mount(NULL, "/", "overlay", MS_SILENT, NULL) for testing support of
> overlayfs: syscall returns -ENODEV if it's not supported. Otherwise kernel
> automatically loads module and returns -EINVAL because lowerdir is missing.

Queued.

Thanks,
Miklos