__u8 beingCreated:1; /* This object is still being created so skip some checks. */
__u8 isShadowed:1; /* This object is shadowed on the way to being renamed. */
+ __u8 xattrKnown:1; /* We know if this has object has xattribs or not. */
+ __u8 hasXattr:1; /* This object has xattribs. Valid if xattrKnown. */
+
__u8 serial; /* serial number of chunk in NAND. Cached here */
__u16 sum; /* sum of the name to speed searching */