linux-kernel - Re: [rfc 3/4] fs, eventfd: Add procfs fdinfo helper

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Date:	Thu, 17 May 2012 21:43:26 +0400
From:	Cyrill Gorcunov <gorcunov@...nvz.org>
To:	Pavel Emelyanov <xemul@...allels.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	James Bottomley <jbottomley@...allels.com>,
	"linux-fsdevel@...r.kernel.org" <linux-fsdevel@...r.kernel.org>
Subject: Re: [rfc 3/4] fs, eventfd: Add procfs fdinfo helper

On Thu, May 17, 2012 at 08:34:59PM +0400, Pavel Emelyanov wrote:
> <snip>
> 
> > +static const struct seq_operations eventfd_fdinfo_ops = {
> > +	.start	= seq_start,
> > +	.next	= seq_next,
> > +	.stop	= seq_stop,
> > +	.show	= seq_show,
> 
> I think, you can use the single_ part of the seq files engine.

single_stop only, since for other cases this seq methods should
provide data iif pos is 1.

	Cyrill
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