+ /* spa_history_log_sync() will free ha and strings */
+}
+
+void
+spa_history_log_internal(history_internal_events_t event, spa_t *spa,
+ dmu_tx_t *tx, const char *fmt, ...)
+{
+ dmu_tx_t *htx = tx;
+ va_list adx;
+
+ /* create a tx if we didn't get one */
+ if (tx == NULL) {
+ htx = dmu_tx_create_dd(spa_get_dsl(spa)->dp_mos_dir);
+ if (dmu_tx_assign(htx, TXG_WAIT) != 0) {
+ dmu_tx_abort(htx);
+ return;
+ }
+ }
+
+ va_start(adx, fmt);
+ log_internal(event, spa, htx, fmt, adx);
+ va_end(adx);
+
+ /* if we didn't get a tx from the caller, commit the one we made */
+ if (tx == NULL)
+ dmu_tx_commit(htx);
+}
+
+void
+spa_history_log_version(spa_t *spa, history_internal_events_t event)
+{
+#ifdef _KERNEL
+ uint64_t current_vers = spa_version(spa);
+
+ if (current_vers >= SPA_VERSION_ZPOOL_HISTORY) {
+ spa_history_log_internal(event, spa, NULL,
+ "pool spa %llu; zfs spa %llu; zpl %d; uts %s %s %s %s",
+ (u_longlong_t)current_vers, SPA_VERSION, ZPL_VERSION,
+ utsname.nodename, utsname.release, utsname.version,
+ utsname.machine);
+ }
+ cmn_err(CE_CONT, "!%s version %llu pool %s using %llu",
+ event == LOG_POOL_IMPORT ? "imported" :
+ event == LOG_POOL_CREATE ? "created" : "accessed",
+ (u_longlong_t)current_vers, spa_name(spa), SPA_VERSION);
+#endif