Btrfs: Add inode map, and the start of file extent items

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

1 files changed, 9 insertions, 4 deletions

diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index 0bb5c38427c9..f250e5fad773 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -13,8 +13,8 @@ void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
         struct btrfs_extent_item *ei;
         struct btrfs_root_item *ri;
         struct btrfs_dir_item *di;
+        struct btrfs_inode_map_item *mi;
         u32 type;
-        u32 namelen;
 
         printf("leaf %Lu total ptrs %d free space %d\n",
                 btrfs_header_blocknr(&l->header), nr,
@@ -34,15 +34,13 @@ void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
                 case BTRFS_INODE_ITEM_KEY:
                         break;
                 case BTRFS_DIR_ITEM_KEY:
-                        namelen = btrfs_item_size(l->items + i) - sizeof(*di);
                         di = btrfs_item_ptr(l, i, struct btrfs_dir_item);
                         printf("\t\tdir oid %Lu flags %u type %u\n",
                                 btrfs_dir_objectid(di),
                                 btrfs_dir_flags(di),
                                 btrfs_dir_type(di));
                         printf("\t\tname %.*s\n",
-                                namelen, (char *)(di + 1));
-
+                               btrfs_dir_name_len(di),(char *)(di + 1));
                         break;
                 case BTRFS_ROOT_ITEM_KEY:
                         ri = btrfs_item_ptr(l, i, struct btrfs_root_item);
@@ -54,6 +52,13 @@ void btrfs_print_leaf(struct btrfs_root *root, struct btrfs_leaf *l)
                         printf("\t\textent data refs %u owner %Lu\n",
                                 btrfs_extent_refs(ei), btrfs_extent_owner(ei));
                         break;
+                case BTRFS_INODE_MAP_ITEM_KEY:
+                        mi = btrfs_item_ptr(l, i, struct btrfs_inode_map_item);
+                        printf("\t\tinode map key %Lu %u %Lu\n",
+                               btrfs_disk_key_objectid(&mi->key),
+                               btrfs_disk_key_flags(&mi->key),
+                               btrfs_disk_key_offset(&mi->key));
+                        break;
                 case BTRFS_STRING_ITEM_KEY:
                         printf("\t\titem data %.*s\n", btrfs_item_size(item),
                                 btrfs_leaf_data(l) + btrfs_item_offset(item));