linux-kernel - Re: [PATCH 1/2 v4] scsi: add __print

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Message-ID: <1270141412.1483.130.camel@Joe-Laptop.home>
Date:	Thu, 01 Apr 2010 10:03:32 -0700
From:	Joe Perches <joe@...ches.com>
To:	rostedt@...dmis.org
Cc:	Kei Tokunaga <tokunaga.keiich@...fujitsu.com>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	James Bottomley <James.Bottomley@...e.de>,
	Ingo Molnar <mingo@...hat.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	Tomohiro Kusumi <kusumi.tomohiro@...fujitsu.com>,
	lkml <linux-kernel@...r.kernel.org>,
	Li Zefan <lizf@...fujitsu.com>,
	Xiao Guangrong <xiaoguangrong@...fujitsu.com>
Subject: Re: [PATCH 1/2 v4] scsi: add __print_hex() to ftrace

On Thu, 2010-04-01 at 09:57 -0400, Steven Rostedt wrote:
> > +const char *
> > +ftrace_print_hex_seq(struct trace_seq *p, const unsigned char *buf, int buf_len)
> > +{
> > +	int i;
> > +	const char *ret = p->buffer + p->len;
> > +
> > +	for (i = 0; i < buf_len; i++)
> > +		trace_seq_printf(p, "%s%2.2x", i == 0 ? "" : " ", buf[i]);
> > +
> > +	trace_seq_putc(p, 0);

hex_dump_to_buffer?


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