linux-kernel - Re: [PATCH 2/6] shm: add sealing API

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Message-ID: <CANq1E4TBtRcN+tpQW9bozQkRjJ7BJCK+KO0iw5k+8Q3Y3TcUeQ@mail.gmail.com>
Date:	Fri, 11 Apr 2014 23:42:19 +0200
From:	David Herrmann <dh.herrmann@...il.com>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	Tony Battersby <tonyb@...ernetics.com>,
	linux-fsdevel <linux-fsdevel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>
Subject: Re: [PATCH 2/6] shm: add sealing API

Hi

On Fri, Apr 11, 2014 at 11:36 PM, Andy Lutomirski <luto@...capital.net> wrote:
> A quick grep of the kernel tree finds exactly zero code paths
> incrementing i_mmap_writable outside of mmap and fork.
>
> Or do you mean a different kind of write ref?  What am I missing here?

Sorry, I meant i_writecount.

Thanks
David
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