1 files changed, 14 insertions, 2 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index f63c9b3f6e08..5181c53c1124 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -936,8 +936,8 @@ struct btrfs_fs_info {
         wait_queue_head_t transaction_blocked_wait;
         wait_queue_head_t async_submit_wait;
 
-        struct btrfs_super_block super_copy;
-        struct btrfs_super_block super_for_commit;
+        struct btrfs_super_block *super_copy;
+        struct btrfs_super_block *super_for_commit;
         struct block_device *__bdev;
         struct super_block *sb;
         struct inode *btree_inode;
@@ -2387,6 +2387,18 @@ static inline int btrfs_fs_closing(struct btrfs_fs_info *fs_info)
         smp_mb();
         return fs_info->closing;
 }
+static inline void free_fs_info(struct btrfs_fs_info *fs_info)
+{
+        kfree(fs_info->delayed_root);
+        kfree(fs_info->extent_root);
+        kfree(fs_info->tree_root);
+        kfree(fs_info->chunk_root);
+        kfree(fs_info->dev_root);
+        kfree(fs_info->csum_root);
+        kfree(fs_info->super_copy);
+        kfree(fs_info->super_for_commit);
+        kfree(fs_info);
+}
 
 /* root-item.c */
 int btrfs_find_root_ref(struct btrfs_root *tree_root,