LU-10318 dom: support DATA_VERSION IO type

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

diff --git a/lustre/target/tgt_handler.c b/lustre/target/tgt_handler.c
index 3e0b9cb..e7c96bb 100644 (file)
--- a/lustre/target/tgt_handler.c
+++ b/lustre/target/tgt_handler.c
@@ -1591,7 +1591,9 @@ EXPORT_SYMBOL(tgt_io_thread_done);
 int tgt_mdt_data_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
                      struct lustre_handle *lh, int mode, __u64 *flags)
 {
-       union ldlm_policy_data policy;
+       union ldlm_policy_data policy = {
+               .l_inodebits.bits = MDS_INODELOCK_DOM,
+       };
        int rc;
 
        ENTRY;
@@ -1600,9 +1602,6 @@ int tgt_mdt_data_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
        LASSERT(ns != NULL);
        LASSERT(!lustre_handle_is_used(lh));
 
-       policy.l_inodebits.bits = MDS_INODELOCK_DOM | MDS_INODELOCK_UPDATE;
-       policy.l_inodebits.try_bits = 0;
-
        rc = ldlm_cli_enqueue_local(ns, res_id, LDLM_IBITS, &policy, mode,
                                    flags, ldlm_blocking_ast,
                                    ldlm_completion_ast, ldlm_glimpse_ast,
@@ -1612,6 +1611,13 @@ int tgt_mdt_data_lock(struct ldlm_namespace *ns, struct ldlm_res_id *res_id,
 }
 EXPORT_SYMBOL(tgt_mdt_data_lock);
 
+void tgt_mdt_data_unlock(struct lustre_handle *lh, enum ldlm_mode mode)
+{
+       LASSERT(lustre_handle_is_used(lh));
+       ldlm_lock_decref(lh, mode);
+}
+EXPORT_SYMBOL(tgt_mdt_data_unlock);
+
 /**
  * Helper function for getting server side [start, start+count] DLM lock
  * if asked by client.