linux-ext4 - Re: [PATCH] extX: convert prink(KERN_WARNING) to extX

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Message-ID: <486008C1.8000207@redhat.com>
Date:	Mon, 23 Jun 2008 15:34:09 -0500
From:	Eric Sandeen <sandeen@...hat.com>
To:	Andreas Dilger <adilger@....com>
CC:	FD Cami <francois.cami@...e.fr>, linux-kernel@...r.kernel.org,
	linux-ext4@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Kasper Sandberg <lkml@...anurb.dk>
Subject: Re: [PATCH] extX: convert prink(KERN_WARNING) to extX_warning()

Andreas Dilger wrote:
> On Jun 22, 2008  20:18 +0200, FD Cami wrote:
>> This patch takes a shot at replacing the direct use of printk(KERN_WARNING)
>> in extX by extX_warning. We now get the device number in the warning message :
>> "EXT3-fs warning (device hda1): ext3_setup_super: maximal mount count reached, running e2fsck is recommended"
>> It also adds the device information on a pair of printk(KERN_ERR) (this was
>> first suggested by Kasper two weeks ago).
> 
> The one issue is that KERN_ERR != KERN_WARNING, so these errors might
> not be visible on the console, or may not be saved to the syslog.  The
> other minor difference is that the function name is also printed, and this
> makes the error message very long.
> 
> One suggestion is to create a separate macro that passes the KERN_*
> flag and __func__ to ext3_console_msg(), and call that from
> ext3_warning() and a new ext3_start_error() function.  I always found
> it annoying to have to specify __func__ as a parameter for every call.

I agree and meant to suggest that as well.

-Eric
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