This is a part of the CLFS silo patch found at
http://svn.cross-lfs.org/svn/repos/cross-lfs/trunk/patches/silo-1.4.13-fixes-3.patch

diff -Naur silo-1.4.13.orig/second/fs/ufs.c silo-1.4.13/second/fs/ufs.c
--- silo-1.4.13.orig/second/fs/ufs.c	2006-06-01 13:24:53.000000000 -0400
+++ silo-1.4.13/second/fs/ufs.c	2007-04-03 17:02:53.000000000 -0400
@@ -40,28 +40,18 @@
 
 ino_t inode = 0;
 
-#ifdef UFS_CIGAM
-/* Apparently new header */
-
 #define ufsi_size(x) ((unsigned int)((x)->ui_size))
 #define ufsi_db(x) ((unsigned int *)((x)->ui_u2.ui_addr.ui_db))
 #define ufsi_ib(x) ((unsigned int *)((x)->ui_u2.ui_addr.ui_ib))
 #define ufsd_namlen(x) ((unsigned char)((x)->d_u.d_44.d_namlen))
 
-#ifdef UFS_MINFREE
-/* Apparently even newer header */
-#define ufs_superblock ufs_super_block
+struct ufs_superblock_full {
+	struct ufs_super_block_first first;
+	struct ufs_super_block_second second;
+	struct ufs_super_block_third third;
+};
+#define ufs_superblock ufs_super_block_first
 #define ufs_direct ufs_dir_entry
-#endif
-
-#else
-
-#define ufsi_size(x) (((x)->ui_size.val[1]))
-#define ufsi_db(x) ((unsigned int *)((x)->ui_db))
-#define ufsi_ib(x) ((unsigned int *)((x)->ui_ib))
-#define ufsd_namlen(x) ((unsigned char)((x)->d_namlen))
-
-#endif
 
 #ifndef S_ISLNK
 #include <sys/stat.h>
@@ -92,25 +82,22 @@
         return p;
 }
 
-static struct ufs_superblock *ufs_read_super(ufs_filsys fs)
+static struct ufs_superblock_full *ufs_read_super(ufs_filsys fs)
 {
-    struct ufs_superblock *usb;
+    struct ufs_superblock_full *usb;
 
-    usb = (struct ufs_superblock *) malloc (2048);
+    usb = (struct ufs_superblock_full *) malloc (2048);
     if (!usb) return 0;
     if (io_channel_read_blk (fs->io, UFS_SBLOCK/1024, -2048, (char *)usb))
         return 0;
-    if (usb->fs_magic != UFS_MAGIC) {
-	/* XXX - replace hard-coded constant with a byte-swap macro */
-	if (usb->fs_magic == 0x54190100) {
-	}
+    if (usb->third.fs_magic != UFS_MAGIC) {
 	return 0;
     }
-    if (usb->fs_bsize != UFS_BSIZE)
+    if (usb->first.fs_bsize != UFS_BSIZE)
         return 0;
-    if (usb->fs_fsize != UFS_FSIZE)
+    if (usb->first.fs_fsize != UFS_FSIZE)
         return 0;
-    io_channel_set_blksize (fs->io, usb->fs_fsize);
+    io_channel_set_blksize (fs->io, usb->first.fs_fsize);
     return usb;
 }