properly init block group cache structs

diff --git a/extent-tree.c b/extent-tree.c
index a26d49e..8f7dc06 100644 (file)
--- a/extent-tree.c
+++ b/extent-tree.c
@@ -744,6 +744,7 @@ int btrfs_read_block_groups(struct btrfs_root *root)
                btrfs_release_path(root, &path);
                bg->cache.start = found_key.objectid;
                bg->cache.size = found_key.offset;
+               bg->dirty = 0;
                ret = insert_existing_cache_extent(bg_cache, &bg->cache);
                BUG_ON(ret);
                if (key.objectid >=