Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933617AbbFJHuV (ORCPT ); Wed, 10 Jun 2015 03:50:21 -0400 Received: from victor.provo.novell.com ([137.65.250.26]:58160 "EHLO prv3-mh.provo.novell.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754197AbbFJHtV (ORCPT ); Wed, 10 Jun 2015 03:49:21 -0400 From: Nick Wang To: philipp.reisner@linbit.com, lars.ellenberg@linbit.com, drbd-dev@lists.linbit.com Cc: linux-kernel@vger.kernel.org, nwang@suse.com Subject: [PATCH 09/10] Notify peer to change status after both side finished zero out. Date: Wed, 10 Jun 2015 15:48:28 +0800 Message-Id: <1433922509-10280-10-git-send-email-nwang@suse.com> X-Mailer: git-send-email 1.8.4.5 In-Reply-To: <1433922509-10280-1-git-send-email-nwang@suse.com> References: <1433922509-10280-1-git-send-email-nwang@suse.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3432 Lines: 88 Update peer node state after both finished. Signed-off-by: Nick Wang CC: Philipp Reisner CC: Lars Ellenberg CC: drbd-dev@lists.linbit.com CC: linux-kernel@vger.kernel.org --- drbd/drbd_int.h | 1 + drbd/drbd_main.c | 5 +++++ drbd/drbd_receiver.c | 13 +++++++++++++ 3 files changed, 19 insertions(+) diff --git a/drbd/drbd_int.h b/drbd/drbd_int.h index e956eb4..0a92f7d 100644 --- a/drbd/drbd_int.h +++ b/drbd/drbd_int.h @@ -1210,6 +1210,7 @@ extern int drbd_send_protocol(struct drbd_connection *connection); extern int drbd_send_uuids(struct drbd_peer_device *); extern int drbd_send_uuids_skip_initial_sync(struct drbd_peer_device *); extern int drbd_send_zero_out_start(struct drbd_peer_device *); +extern int drbd_send_zero_out_finish(struct drbd_peer_device *); extern int drbd_send_zero_out_ok(struct drbd_peer_device *); extern int drbd_send_zero_out_fail(struct drbd_peer_device *); extern void drbd_gen_and_send_sync_uuid(struct drbd_peer_device *); diff --git a/drbd/drbd_main.c b/drbd/drbd_main.c index 5892ff3..f9f1a2e 100644 --- a/drbd/drbd_main.c +++ b/drbd/drbd_main.c @@ -913,6 +913,11 @@ int drbd_send_zero_out_start(struct drbd_peer_device *peer_device) return _drbd_send_uuids(peer_device, 16); } +int drbd_send_zero_out_finish(struct drbd_peer_device *peer_device) +{ + return _drbd_send_uuids(peer_device, 32); +} + /** * _drbd_send_zero_out_state() - Sends the drbd state to the peer * @peer_device: DRBD peer device. diff --git a/drbd/drbd_receiver.c b/drbd/drbd_receiver.c index cbb66e6..240a557 100644 --- a/drbd/drbd_receiver.c +++ b/drbd/drbd_receiver.c @@ -4344,6 +4344,10 @@ static int receive_uuids(struct drbd_connection *connection, struct packet_info peer_device->connection->agreed_pro_version >= 90 && device->ldev->md.uuid[UI_CURRENT] == UUID_JUST_CREATED && (p_uuid[UI_FLAGS] & 16); + int zero_out_finish = + device->state.conn == C_CONNECTED && + peer_device->connection->agreed_pro_version >= 90 && + (p_uuid[UI_FLAGS] & 32); if (skip_initial_sync) { drbd_info(device, "Accepted new current UUID, preparing to skip initial sync\n"); drbd_bitmap_io(device, &drbd_bmio_clear_n_write, @@ -4373,6 +4377,14 @@ static int receive_uuids(struct drbd_connection *connection, struct packet_info } } + if (zero_out_finish) { + drbd_info(device, "Both side finished zero out devices.\n"); + spin_lock_irq(&device->resource->req_lock); + _drbd_set_state(_NS2(device, disk, D_UP_TO_DATE, pdsk, D_UP_TO_DATE), + CS_VERBOSE, NULL); + spin_unlock_irq(&device->resource->req_lock); + } + put_ldev(device); } else if (device->state.disk < D_INCONSISTENT && device->state.role == R_PRIMARY) { @@ -4451,6 +4463,7 @@ static int receive_zero_out_state(struct drbd_connection *connection, struct pac _drbd_set_state(_NS2(device, disk, D_UP_TO_DATE, pdsk, D_UP_TO_DATE), CS_VERBOSE, NULL); spin_unlock_irq(&device->resource->req_lock); + drbd_send_zero_out_finish(peer_device); } else { /* waiting for local device finished */ set_bit(ZERO_DONE, &device->flags); -- 1.8.4.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/