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Message-ID: <1416269253.29010.4.camel@perches.com>
Subject: Re: [PATCH 20/26 v5] seq_buf: Add seq_buf_can_fit() helper function
From: Joe Perches <joe@perches.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@kernel.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Jiri Kosina <jkosina@suse.cz>, Petr Mladek <pmladek@suse.cz>
Date: Mon, 17 Nov 2014 16:07:33 -0800
In-Reply-To: <20141117123642.1de9252e@gandalf.local.home>
References: <20141115045847.712848224@goodmis.org>
	 <20141115050604.073390701@goodmis.org>
	 <20141117123642.1de9252e@gandalf.local.home>
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On Mon, 2014-11-17 at 12:36 -0500, Steven Rostedt wrote:
> On Fri, 14 Nov 2014 23:59:07 -0500
> Steven Rostedt <rostedt@goodmis.org> wrote:
> 
> > From: "Steven Rostedt (Red Hat)" <rostedt@goodmis.org>
> > 
> > Add a seq_buf_can_fit() helper function that removes the possible mistakes
> > of comparing the seq_buf length plus added data compared to the size of
> > the buffer.
[]
> > +static bool seq_buf_can_fit(struct seq_buf *s, size_t len)
> > +{
> > +	return s->len + len < s->size;
> > +}
> > +

Why is this useful?