Btrfs: ratelimit IO error printks

[karo-tx-linux.git] / fs / btrfs / inode.c

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 2fdb2995be64520828a6d1b0cd678ca814d7f8b1..552e08afc7fba1e3d274092c6c2aa220a37f581e 100644 (file)
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -1823,10 +1823,12 @@ good:
        return 0;
 
 zeroit:
-       printk(KERN_INFO "btrfs csum failed ino %lu off %llu csum %u "
-              "private %llu\n", page->mapping->host->i_ino,
-              (unsigned long long)start, csum,
-              (unsigned long long)private);
+       if (printk_ratelimit()) {
+               printk(KERN_INFO "btrfs csum failed ino %lu off %llu csum %u "
+                      "private %llu\n", page->mapping->host->i_ino,
+                      (unsigned long long)start, csum,
+                      (unsigned long long)private);
+       }
        memset(kaddr + offset, 1, end - start + 1);
        flush_dcache_page(page);
        kunmap_atomic(kaddr, KM_USER0);