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authorJosef Bacik <josef@redhat.com>2011-08-08 08:24:46 -0400
committerJosef Bacik <josef@redhat.com>2011-10-19 15:12:33 -0400
commit6ab60601d518d563ca1a47eaa399096e69d3b64a (patch)
tree7a942576303b57b4c2dffa7815fb6ba2fe9a5fa1
parent4289a667a0d7c6b134898cac7bfbe950267c305c (diff)
Btrfs: ratelimit the generation printk for the free space cache
A user reported getting spammed when moving to 3.0 by this message. Since we switched to the normal checksumming infrastructure all old free space caches will be wrong and need to be regenerated so people are likely to see this message a lot, so ratelimit it so it doesn't fill up their logs and freak them out. Thanks, Reported-by: Andrew Lutomirski <luto@mit.edu> Signed-off-by: Josef Bacik <josef@redhat.com>
-rw-r--r--fs/btrfs/free-space-cache.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 79c16a68a2bc..ecc1a4f85d20 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -20,6 +20,7 @@
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/math64.h>
+#include <linux/ratelimit.h>
#include "ctree.h"
#include "free-space-cache.h"
#include "transaction.h"
@@ -341,11 +342,12 @@ int __load_free_space_cache(struct btrfs_root *root, struct inode *inode,
gen = addr;
if (*gen != BTRFS_I(inode)->generation) {
- printk(KERN_ERR "btrfs: space cache generation"
- " (%llu) does not match inode (%llu)\n",
- (unsigned long long)*gen,
- (unsigned long long)
- BTRFS_I(inode)->generation);
+ printk_ratelimited(KERN_ERR "btrfs: space cache"
+ " generation (%llu) does not match "
+ "inode (%llu)\n",
+ (unsigned long long)*gen,
+ (unsigned long long)
+ BTRFS_I(inode)->generation);
kunmap(page);
unlock_page(page);
page_cache_release(page);