[[struct-ost-lvb]]
The 'ost_lvb' structure is a "lock value block", and encompasses
-attribute data for resources on the OST. It is an optional part of an
+attribute data for resources on the OST. It is returned from an OST to
+a client requesting an extent lock. It is an optional part of an
LDLM_ENQUEUE reply RPC for an MDT as well.
+[source,c]
----
struct ost_lvb {
__u64 lvb_size;