.LLOGD Body
[[struct-llogd-body]]
****
[source,c]
----
struct llogd_body {
        struct llog_logid  lgd_logid;
        __u32 lgd_ctxt_idx;
        __u32 lgd_llh_flags;
        __u32 lgd_index;
        __u32 lgd_saved_index;
        __u32 lgd_len;
        __u64 lgd_cur_offset;
};
----
****

.LLog LogID
[[struct-llog-logid]]
****
[source,c]
----
struct llog_logid {
	struct ost_id		lgl_oi;
        __u32                   lgl_ogen;
};
----
****

The 'llog_logid' structure is used to identify a single Lustre log file.
It holds a <<struct-ost-id>> in 'lgl_oi', which is typically a FID.