Btrfs: start of block group code

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index 1e7038b070ae..2f95fc67a036 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -11,6 +11,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
         struct btrfs_root_item *ri;
         struct btrfs_dir_item *di;
         struct btrfs_inode_item *ii;
+        struct btrfs_block_group_item *bi;
         u32 type;
 
         printk("leaf %Lu total ptrs %d free space %d\n",
@@ -53,6 +54,12 @@ void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
                         printk("\t\textent data refs %u\n",
                                 btrfs_extent_refs(ei));
                         break;
+                case BTRFS_BLOCK_GROUP_ITEM_KEY:
+                        bi = btrfs_item_ptr(l, i,
+                                            struct btrfs_block_group_item);
+                        printk("\t\tblock group used %Lu\n",
+                               btrfs_block_group_used(bi));
+                        break;
                 case BTRFS_STRING_ITEM_KEY:
                         printk("\t\titem data %.*s\n", btrfs_item_size(item),
                                 btrfs_leaf_data(l) + btrfs_item_offset(item));