linux-kernel - Re: [PATCH 1/2] hfs/hfsplus: Convert dprint to hfs

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Date:	Sun, 14 Apr 2013 18:51:14 -0700
From:	Joe Perches <joe@...ches.com>
To:	htl10@...rs.sourceforge.net
Cc:	Vyacheslav Dubeyko <slava@...eyko.com>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] hfs/hfsplus: Convert dprint to hfs_dbg

On Mon, 2013-04-15 at 01:53 +0100, Hin-Tak Leung wrote:
> --- On Mon, 8/4/13, Joe Perches <joe@...ches.com> wrote:
> > Use a more current logging style.
[]
> I have been sitting on a patch which changes this part of the code to dynamic debugging, and it is much simplier. Just:
> #define dprint(flg, fmt, args...) \
> -       if (flg & DBG_MASK) \
> -               printk(fmt , ## args)
> +               pr_debug(fmt , ## args)

This change wouldn't work well as it would make a mess
of output that uses no prefix (ie: emits at KERN_DEFAULT)
with output that uses KERN_DEBUG

That's the reason for _dbg and _dbg_cont.


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