Btrfs: struct item endian fixes

Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c
index 7df16b1..33f5ee4 100644
--- a/fs/btrfs/print-tree.c
+++ b/fs/btrfs/print-tree.c
@@ -9,7 +9,7 @@
 {
 	int i;
 	u32 nr = btrfs_header_nritems(&l->header);
-	struct item *item;
+	struct btrfs_item *item;
 	struct extent_item *ei;
 	printf("leaf %Lu total ptrs %d free space %d\n",
 		btrfs_header_blocknr(&l->header), nr, leaf_free_space(l));
@@ -18,12 +18,15 @@
 		item = l->items + i;
 		printf("\titem %d key (%Lu %u %Lu) itemoff %d itemsize %d\n",
 			i,
-			item->key.objectid, item->key.flags, item->key.offset,
-			item->offset, item->size);
+			btrfs_key_objectid(&item->key),
+			btrfs_key_flags(&item->key),
+			btrfs_key_offset(&item->key),
+			btrfs_item_offset(item),
+			btrfs_item_size(item));
 		fflush(stdout);
-		printf("\t\titem data %.*s\n", item->size,
-			l->data+item->offset);
-		ei = (struct extent_item *)(l->data + item->offset);
+		printf("\t\titem data %.*s\n", btrfs_item_size(item),
+			l->data + btrfs_item_offset(item));
+		ei = (struct extent_item *)(l->data + btrfs_item_offset(item));
 		printf("\t\textent data refs %u owner %Lu\n", ei->refs,
 			ei->owner);
 		fflush(stdout);