DAOS-18495 object: use deep stack for IV involved ULT (#17422)

Use deep stack for IV involved ULTs.

Signed-off-by: Niu Yawei <yawei.niu@hpe.com>

Author: NiuYawei

src/container/srv_container.c

@@ -1,6 +1,6 @@
 /*
  * (C) Copyright 2016-2024 Intel Corporation.
- * (C) Copyright 2025 Hewlett Packard Enterprise Development LP
+ * (C) Copyright 2025-2026 Hewlett Packard Enterprise Development LP
  *
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
@@ -2266,7 +2266,8 @@ cont_svc_eph_track_leader_start(struct cont_svc *svc)
 	D_ASSERT(svc->cs_cont_ephs_leader_req == NULL);
 	uuid_clear(anonym_uuid);
 	sched_req_attr_init(&attr, SCHED_REQ_ANONYM, &anonym_uuid);
-	svc->cs_cont_ephs_leader_req = sched_create_ult(&attr, cont_track_eph_leader_ult, svc, 0);
+	svc->cs_cont_ephs_leader_req =
+	    sched_create_ult(&attr, cont_track_eph_leader_ult, svc, DSS_DEEP_STACK_SZ);
 	if (svc->cs_cont_ephs_leader_req == NULL) {
 		D_ERROR(DF_UUID" Failed to create EC leader eph ULT.\n",
 			DP_UUID(svc->cs_pool_uuid));

src/container/srv_target.c

@@ -1,7 +1,7 @@
 /**
  * (C) Copyright 2016-2024 Intel Corporation.
  * (C) Copyright 2025 Google LLC
- * (C) Copyright 2025 Hewlett Packard Enterprise Development LP
+ * (C) Copyright 2025-2026 Hewlett Packard Enterprise Development LP
  *
  * SPDX-License-Identifier: BSD-2-Clause-Patent
  */
@@ -2358,10 +2358,9 @@ ds_cont_tgt_snapshot_notify_handler(crt_rpc_t *rpc)
 	args.snap_opts = in->tsi_opts;
 	args.oit_oid = in->tsi_oit_oid;
 
-	out->tso_rc = ds_pool_thread_collective(in->tsi_pool_uuid,
-						PO_COMP_ST_NEW | PO_COMP_ST_DOWN |
-						PO_COMP_ST_DOWNOUT, cont_snap_notify_one,
-						&args, 0);
+	out->tso_rc = ds_pool_thread_collective(
+	    in->tsi_pool_uuid, PO_COMP_ST_NEW | PO_COMP_ST_DOWN | PO_COMP_ST_DOWNOUT,
+	    cont_snap_notify_one, &args, DSS_ULT_DEEP_STACK);
 	if (out->tso_rc != 0)
 		D_ERROR(DF_CONT": Snapshot notify failed: "DF_RC"\n",
 			DP_CONT(in->tsi_pool_uuid, in->tsi_cont_uuid),

src/object/srv_ec_aggregate.c

@@ -2687,7 +2687,8 @@ ec_agg_param_init(struct ds_cont_child *cont, struct agg_param *param)
 	agg_param->ap_credits_max	= EC_AGG_ITERATION_MAX;
 	D_INIT_LIST_HEAD(&agg_param->ap_agg_entry.ae_cur_stripe.as_dextents);
 
-	rc = dss_ult_execute(ec_agg_init_ult, agg_param, NULL, NULL, DSS_XS_SYS, 0, 0);
+	rc = dss_ult_execute(ec_agg_init_ult, agg_param, NULL, NULL, DSS_XS_SYS, 0,
+			     DSS_DEEP_STACK_SZ);
 	if (rc != 0)
 		D_GOTO(out, rc);
 

src/object/srv_obj.c

@@ -1405,7 +1405,8 @@ obj_fetch_ec_agg_boundary(struct obj_io_context *ioc, daos_unit_oid_t *uoid)
 
 	arg.eab_pool = ioc->ioc_coc->sc_pool->spc_pool;
 	uuid_copy(arg.eab_co_uuid, ioc->ioc_coc->sc_uuid);
-	rc = dss_ult_execute(obj_fetch_ec_agg_boundary_ult, &arg, NULL, NULL, DSS_XS_SYS, 0, 0);
+	rc = dss_ult_execute(obj_fetch_ec_agg_boundary_ult, &arg, NULL, NULL, DSS_XS_SYS, 0,
+			     DSS_DEEP_STACK_SZ);
 	if (rc) {
 		DL_ERROR(rc, DF_CONT ", " DF_UOID " fetch ec_agg_boundary failed.",
 			 DP_CONT(ioc->ioc_coc->sc_pool_uuid, ioc->ioc_coc->sc_uuid),