From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965096AbaKNBRF (ORCPT ); Thu, 13 Nov 2014 20:17:05 -0500 Received: from cdptpa-outbound-snat.email.rr.com ([107.14.166.227]:27203 "EHLO cdptpa-oedge-vip.email.rr.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S934934AbaKNBOR (ORCPT ); Thu, 13 Nov 2014 20:14:17 -0500 Message-Id: <20141114011412.636548251@goodmis.org> User-Agent: quilt/0.61-1 Date: Thu, 13 Nov 2014 20:13:00 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Jiri Kosina , Petr Mladek Subject: [RFC][PATCH 16/23 v4] tracing: Add a seq_buf_clear() helper and clear len and readpos in init References: <20141114011244.256115061@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=0016-tracing-Add-a-seq_buf_clear-helper-and-clear-len-and.patch X-RR-Connecting-IP: 107.14.168.142:25 X-Cloudmark-Score: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Steven Rostedt (Red Hat)" Add a helper function seq_buf_clear() that resets the len and readpos fields of a seq_buf. Currently it is only used in the seq_buf_init() but will be used later when updating the seq_file code. Link: http://lkml.kernel.org/r/20141104160222.352309995@goodmis.org Tested-by: Jiri Kosina Acked-by: Jiri Kosina Reviewed-by: Petr Mladek Signed-off-by: Steven Rostedt --- include/linux/seq_buf.h | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/include/linux/seq_buf.h b/include/linux/seq_buf.h index d14dc9023dde..5d91262433e2 100644 --- a/include/linux/seq_buf.h +++ b/include/linux/seq_buf.h @@ -22,13 +22,18 @@ struct seq_buf { loff_t readpos; }; +static inline void seq_buf_clear(struct seq_buf *s) +{ + s->len = 0; + s->readpos = 0; +} + static inline void seq_buf_init(struct seq_buf *s, unsigned char *buf, unsigned int size) { s->buffer = buf; s->size = size; - s->len = 0; - s->readpos = 0; + seq_buf_clear(s); } /* -- 2.1.1