1 files changed, 5 insertions, 2 deletions

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index eccdf13a95ac..27ffa9b7ddc8 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -1171,8 +1171,10 @@ static int transaction_kthread(void *arg)
                 vfs_check_frozen(root->fs_info->sb, SB_FREEZE_WRITE);
                 mutex_lock(&root->fs_info->transaction_kthread_mutex);
 
-                printk("btrfs: total reference cache size %Lu\n",
-                        root->fs_info->total_ref_cache_size);
+                if (root->fs_info->total_ref_cache_size > 20 * 1024 * 1024) {
+                        printk("btrfs: total reference cache size %Lu\n",
+                                root->fs_info->total_ref_cache_size);
+                }
 
                 mutex_lock(&root->fs_info->trans_mutex);
                 cur = root->fs_info->running_transaction;
@@ -1256,6 +1258,7 @@ struct btrfs_root *open_ctree(struct super_block *sb,
         btrfs_mapping_init(&fs_info->mapping_tree);
         atomic_set(&fs_info->nr_async_submits, 0);
         atomic_set(&fs_info->throttles, 0);
+        atomic_set(&fs_info->throttle_gen, 0);
         fs_info->sb = sb;
         fs_info->max_extent = (u64)-1;
         fs_info->max_inline = 8192 * 1024;