Hi,
sorry for separate mail, just noticed a kfree inside a spinlock below
On Thu, Apr 07, 2011 at 06:06:08PM +0100, Hugo Mills wrote:
> diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
> @@ -2115,10 +2162,20 @@ int btrfs_balance(struct btrfs_root *dev_root)
> found_key.offset);
> BUG_ON(ret && ret != -ENOSPC);
> key.offset = found_key.offset - 1;
> + spin_lock(&dev_root->fs_info->balance_info_lock);
> + bal_info->completed++;
> + spin_unlock(&dev_root->fs_info->balance_info_lock);
> + printk(KERN_INFO "btrfs: balance: %llu/%llu block groups
> completed\n",
> + bal_info->completed, bal_info->expected);
> }
> ret = 0;
> error:
> btrfs_free_path(path);
> + spin_lock(&dev_root->fs_info->balance_info_lock);
> + kfree(dev_root->fs_info->balance_info);
^^^^^
move it out of the spinlocked section
> + dev_root->fs_info->balance_info = NULL;
> + spin_unlock(&dev_root->fs_info->balance_info_lock);
> +error_no_status:
> mutex_unlock(&dev_root->fs_info->volume_mutex);
> return ret;
> }
> --
> 1.7.2.5
>
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