Re: [PATCH UPDATED] jbd: Use printk_ratelimited() injournal_alloc_journal_head()

From: Jan Kara
Date: Mon Oct 04 2010 - 06:32:44 EST


On Mon 04-10-10 19:12:13, Namhyung Kim wrote:
> Use printk_ratelimited() instead of doing it manually.
Thanks. I've merged the patch into my tree.

Honza

>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxx>
> ---
> fs/jbd/journal.c | 9 +++------
> 1 files changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/fs/jbd/journal.c b/fs/jbd/journal.c
> index 6f20a75..f79767d 100644
> --- a/fs/jbd/journal.c
> +++ b/fs/jbd/journal.c
> @@ -1718,7 +1718,6 @@ static void journal_destroy_journal_head_cache(void)
> static struct journal_head *journal_alloc_journal_head(void)
> {
> struct journal_head *ret;
> - static unsigned long last_warning;
>
> #ifdef CONFIG_JBD_DEBUG
> atomic_inc(&nr_journal_heads);
> @@ -1726,11 +1725,9 @@ static struct journal_head *journal_alloc_journal_head(void)
> ret = kmem_cache_alloc(journal_head_cache, GFP_NOFS);
> if (ret == NULL) {
> jbd_debug(1, "out of memory for journal_head\n");
> - if (time_after(jiffies, last_warning + 5*HZ)) {
> - printk(KERN_NOTICE "ENOMEM in %s, retrying.\n",
> - __func__);
> - last_warning = jiffies;
> - }
> + printk_ratelimited(KERN_NOTICE "ENOMEM in %s, retrying.\n",
> + __func__);
> +
> while (ret == NULL) {
> yield();
> ret = kmem_cache_alloc(journal_head_cache, GFP_NOFS);
> --
> 1.7.0.4
>
--
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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