@@ -1107,16 +1107,18 @@ struct btrfs_block_group_cache {
int cached;
int ro;
/*
- * If the free space extent count exceeds this number, convert the block
- * group to bitmaps.
- */
- u32 bitmap_high_thresh;
- /*
- * If the free space extent count drops below this number, convert the
- * block group back to extents.
- */
- u32 bitmap_low_thresh;
+ * If the free space extent count exceeds this number, convert the block
+ * group to bitmaps.
+ */
+ u32 bitmap_high_thresh;
+ /*
+ * If the free space extent count drops below this number, convert the
+ * block group back to extents.
+ */
+ u32 bitmap_low_thresh;
+ /* Block group cache stuff */
+ struct rb_node cache_node;
};
struct btrfs_device;
@@ -1146,6 +1148,7 @@ struct btrfs_fs_info {
struct extent_io_tree extent_ins;
struct extent_io_tree *excluded_extents;
+ struct rb_root block_group_cache_tree;
/* logical->physical extent mapping */
struct btrfs_mapping_tree mapping_tree;
@@ -797,6 +797,8 @@ struct btrfs_fs_info *btrfs_new_fs_info(int writable, u64 sb_bytenr)
extent_io_tree_init(&fs_info->block_group_cache);
extent_io_tree_init(&fs_info->pinned_extents);
extent_io_tree_init(&fs_info->extent_ins);
+
+ fs_info->block_group_cache_tree = RB_ROOT;
fs_info->excluded_extents = NULL;
fs_info->fs_root_tree = RB_ROOT;