Re: [PATCH 008 of 9] md: md: raid5 rate limit error printk

From: Andrew Morton
Date: Mon Apr 28 2008 - 23:55:45 EST


On Tue, 29 Apr 2008 13:35:34 +1000 NeilBrown <neilb@xxxxxxx> wrote:

> + printk_rl(KERN_WARNING "raid5:%s: read error NOT corrected!! "
> + "(sector %llu on %s).\n",
> + mdname(conf->mddev),
> + (unsigned long long)(sh->sector + rdev->data_offset),
> + bdn);
> else if (atomic_read(&rdev->read_errors)
> > conf->max_nr_stripes)
> printk(KERN_WARNING
>
> diff .prev/include/linux/raid/md_k.h ./include/linux/raid/md_k.h
> --- .prev/include/linux/raid/md_k.h 2008-04-29 12:25:24.000000000 +1000
> +++ ./include/linux/raid/md_k.h 2008-04-29 12:27:58.000000000 +1000
> @@ -368,6 +368,9 @@ static inline void safe_put_page(struct
> if (p) put_page(p);
> }
>
> +#define printk_rl printk_ratelimit() ?: printk

(boggle)

Isn't this backwards? Should be !printk_ratelimit()?

open-coding the printk_ratelimit() at each callsite would be more
conventional.
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