LU-12691 ldlm: obd_max_recoverable_clients is not atomic

[fs/lustre-release.git] / lustre / target / tgt_lastrcvd.c

diff --git a/lustre/target/tgt_lastrcvd.c b/lustre/target/tgt_lastrcvd.c
index b36908b..f31a6a3 100644 (file)
--- a/lustre/target/tgt_lastrcvd.c
+++ b/lustre/target/tgt_lastrcvd.c
@@ -844,7 +844,7 @@ void tgt_boot_epoch_update(struct lu_target *tgt)
         * - there is no client to recover or the recovery was aborted
         */
        if (!strncmp(tgt->lut_obd->obd_type->typ_name, LUSTRE_MDT_NAME, 3) &&
-           (tgt->lut_obd->obd_max_recoverable_clients == 0 ||
+           (atomic_read(&tgt->lut_obd->obd_max_recoverable_clients) == 0 ||
            tgt->lut_obd->obd_abort_recovery))
                tgt->lut_lsd.lsd_feature_incompat &= ~OBD_INCOMPAT_MULTI_RPCS;
 
@@ -1565,7 +1565,7 @@ static int tgt_clients_data_init(const struct lu_env *env,
                exp->exp_connecting = 0;
                exp->exp_in_recovery = 0;
                spin_unlock(&exp->exp_lock);
-               obd->obd_max_recoverable_clients++;
+               atomic_inc(&obd->obd_max_recoverable_clients);
 
                if (tgt->lut_lsd.lsd_feature_incompat &
                    OBD_INCOMPAT_MULTI_RPCS &&