.OST Lock Value Block
[[struct-ost-lvb]]
****
The 'ost_lvb' structure is a "lock value block", and encompasses
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;
	__s64	lvb_mtime;
	__s64	lvb_atime;
	__s64	lvb_ctime;
	__u64	lvb_blocks;
	__u32	lvb_mtime_ns;
	__u32	lvb_atime_ns;
	__u32	lvb_ctime_ns;
	__u32	lvb_padding;
};
----
****