+
+ case 2: /* 12 bytes: 4 major, 4 minor, 4 inode
+ * This format is never actually used but was
+ * an historical accident
+ */
+ if (fsidlen != 12)
+ goto out;
+ memcpy(&dev, fsid, 4); major = ntohl(dev);
+ memcpy(&dev, fsid+4, 4); minor = ntohl(dev);
+ memcpy(&inode, fsid+8, 4);
+ break;
+
+ case 3: /* 8 bytes: 4 byte packed device number, 4 inode */
+ /* This is *host* endian, not net-byte-order, because
+ * no-one outside this host has any business interpreting it
+ */
+ if (fsidlen != 8)
+ goto out;
+ memcpy(&dev, fsid, 4);
+ memcpy(&inode, fsid+4, 4);
+ major = (dev & 0xfff00) >> 8;
+ minor = (dev & 0xff) | ((dev >> 12) & 0xfff00);
+ break;
+