LU-8900 snapshot: user interface for write barrier on MDT

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

diff --git a/lustre/target/barrier.c b/lustre/target/barrier.c
index e52d303..6145e0e 100644 (file)
--- a/lustre/target/barrier.c
+++ b/lustre/target/barrier.c
@@ -323,6 +323,9 @@ int barrier_handler(struct dt_device *key, struct ptlrpc_request *req)
                break;
        case BS_FREEZING_P1:
        case BS_FREEZING_P2:
+               if (OBD_FAIL_CHECK(OBD_FAIL_BARRIER_FAILURE))
+                       GOTO(fini, rc = -EINVAL);
+
                barrier->bi_deadline = cfs_time_current_sec() +
                                        desc->lgbd_timeout;
                rc = barrier_freeze(&env, barrier,