LU-13653 mdt: ignore quota when creating slave stripe

When creating striped directory, the quota limit has been checked
on master MDT, the quota should be ignored when creating the slave
stripe object.

Lustre-change: https://review.whamcloud.com/#/c/38875/
Lustre-commit: f762aceb



Change-Id: Ia53b1975a8d66c78725feb313659f7a9b889e735
Signed-off-by: Hongchao Zhang <hongchao@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/38875

Reviewed-by: Lai Siyao <lai.siyao@whamcloud.com>
Reviewed-by: Wang Shilong <wshilong@ddn.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/39282

Reviewed-by: Wang Shilong <wshilong@whamcloud.com>

lustre/target/out_lib.c

@@ -598,6 +598,10 @@ int out_create_add_exec(const struct lu_env *env, struct dt_object *obj,
 	struct tx_arg *arg;
 	int rc;
 
+	/* LU-13653: ignore quota for DNE directory creation */
+	if (dof->dof_type == DFT_DIR)
+		th->th_ignore_quota = 1;
+
 	rc = dt_declare_create(env, obj, attr, NULL, dof, th);
 	if (rc != 0)
 		return rc;