From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933545Ab1IILRn (ORCPT ); Fri, 9 Sep 2011 07:17:43 -0400 Received: from mail09.linbit.com ([212.69.161.110]:45664 "EHLO mail09.linbit.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758712Ab1IILRl (ORCPT ); Fri, 9 Sep 2011 07:17:41 -0400 From: Philipp Reisner To: linux-kernel@vger.kernel.org, Jens Axboe Cc: drbd-dev@lists.linbit.com Subject: [PATCH 07/11] drbd: Implemented conn_lowest_conn() Date: Fri, 9 Sep 2011 13:17:32 +0200 Message-Id: <1315567056-32314-8-git-send-email-philipp.reisner@linbit.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1315567056-32314-1-git-send-email-philipp.reisner@linbit.com> References: <1315567056-32314-1-git-send-email-philipp.reisner@linbit.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- drivers/block/drbd/drbd_state.c | 12 ++++++++++++ drivers/block/drbd/drbd_state.h | 1 + 2 files changed, 13 insertions(+), 0 deletions(-) diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c index cfd923e..e441d1f 100644 --- a/drivers/block/drbd/drbd_state.c +++ b/drivers/block/drbd/drbd_state.c @@ -115,6 +115,18 @@ enum drbd_disk_state conn_highest_pdsk(struct drbd_tconn *tconn) return ds; } +enum drbd_disk_state conn_lowest_conn(struct drbd_tconn *tconn) +{ + enum drbd_conns conn = C_MASK; + struct drbd_conf *mdev; + int vnr; + + idr_for_each_entry(&tconn->volumes, mdev, vnr) + conn = min_t(enum drbd_conns, conn, mdev->state.conn); + + return conn; +} + /** * cl_wide_st_chg() - true if the state change is a cluster wide one * @mdev: DRBD device. diff --git a/drivers/block/drbd/drbd_state.h b/drivers/block/drbd/drbd_state.h index 0f8441d..e554537 100644 --- a/drivers/block/drbd/drbd_state.h +++ b/drivers/block/drbd/drbd_state.h @@ -154,5 +154,6 @@ enum drbd_role conn_highest_role(struct drbd_tconn *tconn); enum drbd_role conn_highest_peer(struct drbd_tconn *tconn); enum drbd_disk_state conn_highest_disk(struct drbd_tconn *tconn); enum drbd_disk_state conn_highest_pdsk(struct drbd_tconn *tconn); +enum drbd_disk_state conn_lowest_conn(struct drbd_tconn *tconn); #endif -- 1.7.4.1