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jbd2: Use pr_notice_ratelimited() in journal_alloc_journal_head()

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We had an open-coded version of printk_ratelimited(); use the provided
abstraction to make the code cleaner and easier to understand.

Based on a similar patch for fs/jbd from Namhyung Kim <namhyung@gmail.com>

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
This commit is contained in:
Theodore Ts'o 2010-12-17 10:44:16 -05:00
parent a8901d3487
commit 670be5a78a
1 changed files with 2 additions and 6 deletions
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8
fs/jbd2/journal.c
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@ -43,6 +43,7 @@
#include <linux/vmalloc.h>
#include <linux/backing-dev.h>
#include <linux/bitops.h>
#include <linux/ratelimit.h>
#define CREATE_TRACE_POINTS
#include <trace/events/jbd2.h>
@ -1982,7 +1983,6 @@ static void jbd2_journal_destroy_jbd2_journal_head_cache(void)
static struct journal_head *journal_alloc_journal_head(void)
{
struct journal_head *ret;
static unsigned long last_warning;
#ifdef CONFIG_JBD2_DEBUG
atomic_inc(&nr_journal_heads);
@ -1990,11 +1990,7 @@ static struct journal_head *journal_alloc_journal_head(void)
ret = kmem_cache_alloc(jbd2_journal_head_cache, GFP_NOFS);
if (!ret) {
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;
}
pr_notice_ratelimited("ENOMEM in %s, retrying.\n", __func__);
while (!ret) {
yield();
ret = kmem_cache_alloc(jbd2_journal_head_cache, GFP_NOFS);