linux-kernel - Re: [PATCH 01/39] ocfs2: POSIX file locks support

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Date:	Wed, 1 Oct 2008 23:11:44 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Mark Fasheh <mfasheh@...e.com>
Cc:	linux-kernel@...r.kernel.org, joel.becker@...cle.com,
	ocfs2-devel@....oracle.com, linux-fsdevel@...r.kernel.org,
	mfasheh@...e.com
Subject: Re: [PATCH 01/39] ocfs2: POSIX file locks support

> On Wed, 24 Sep 2008 15:00:42 -0700 Mark Fasheh <mfasheh@...e.com> wrote:
> +int ocfs2_stack_supports_plocks(void)
> +{
> +	return !!(active_stack && active_stack->sp_ops->plock);
> +}

It's pointless doing !! on something which is already 0 or 1.
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