linux-kernel - Re: [PATCH 1/4] jffs2: Convert most D1/D2 macros to jffs2

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Date:	Mon, 12 Mar 2012 10:11:10 -0700
From:	Joe Perches <joe@...ches.com>
To:	dedekind1@...il.com
Cc:	David Woodhouse <dwmw2@...radead.org>,
	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] jffs2: Convert most D1/D2 macros to jffs2_dbg

On Mon, 2012-03-12 at 18:35 +0200, Artem Bityutskiy wrote:
> On Mon, 2012-03-12 at 08:33 -0700, Joe Perches wrote:
> > I tentatively converted them to a bitmap
> > and a single jffs2_dbg(mask, fmt, ...)
> > but perhaps all of these could be deleted
> > too.
> 
> I think it is better to convert them to jffs2_debug(). And I guess after
> the change the "mask" parameter will go away?

Mask would remain and perhaps become a module
variable instead of a compile #define.

What is jffs2_debug?  Do you mean JFFS2_DEBUG?
My intent was to remove JFFS2_<LEVEL> defines and uses.
These #defines add
	"(%d) %s" ... task_pid_nr(current), __func__
which can be added if really necessary via pr_fmt
to generic pr_<level> uses.

I am not certain of the value for generic uses of
task_pid_nr in pr_notice,pr_err, or pr_info.

Dynamic debugging has the ability to optionally add
task_pid_vnr and __func__ to pr_debug output.


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