linux-kernel - Re: [PATCH] zram: Replace pr_* with dev

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Date:	Wed, 5 Aug 2015 08:57:05 +0900
From:	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>
To:	Salah Triki <salah.triki@....org>
Cc:	minchan@...nel.org, ngupta@...are.org,
	linux-kernel@...r.kernel.org,
	Sergey Senozhatsky <sergey.senozhatsky.work@...il.com>,
	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Subject: Re: [PATCH] zram: Replace pr_* with dev_*

On (08/05/15 08:42), Sergey Senozhatsky wrote:
> what's the benefit?

and apart from that I don't understand why do you replace some
pr_info() with dev_warn(). f.e.

[..]
> >  		if (!zcomp_set_max_streams(zram->comp, num)) {
> > -			pr_info("Cannot change max compression streams\n");
> > +			dev_warn(dev, "Cannot change max compression streams to %d",
> > +				num);

			^^^

> >  			ret = -EINVAL;
> >  			goto out;
> >  		}
> > @@ -368,7 +369,7 @@ static ssize_t comp_algorithm_store(struct device *dev,
> >  	down_write(&zram->init_lock);
> >  	if (init_done(zram)) {
> >  		up_write(&zram->init_lock);
> > -		pr_info("Can't change algorithm for initialized device\n");
> > +		dev_warn(dev, "Can't change algorithm for initialized device");

		^^^

[..]



and sometimes you don't -- changing pr_info() to dev_info().

> >  	if (IS_ERR(comp)) {
> > -		pr_info("Cannot initialise %s compressing backend\n",
> > +		dev_info(dev, "Cannot initialise %s compressing backend",
> >  				zram->compressor);

		^^^


[..]

and then again...

> >  	down_write(&zram->init_lock);
> >  	if (init_done(zram)) {
> > -		pr_info("Cannot change disksize for initialized device\n");
> > +		dev_warn(dev, "Cannot change disksize for initialized device");

		^^^

[..]

	-ss
--
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