From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from prv3-mh.provo.novell.com (victor.provo.novell.com [137.65.250.26]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by mail09.linbit.com (LINBIT Mail Daemon) with ESMTPS id EADEA10556A0 for ; Wed, 10 Jun 2015 09:49:20 +0200 (CEST) From: Nick Wang To: philipp.reisner@linbit.com, lars.ellenberg@linbit.com, drbd-dev@lists.linbit.com Date: Wed, 10 Jun 2015 15:48:26 +0800 Message-Id: <1433922509-10280-8-git-send-email-nwang@suse.com> In-Reply-To: <1433922509-10280-1-git-send-email-nwang@suse.com> References: <1433922509-10280-1-git-send-email-nwang@suse.com> Cc: linux-kernel@vger.kernel.org Subject: [Drbd-dev] [PATCH 07/10] Using P_ZERO_OUT to send back device zero out status. List-Id: "*Coordination* of development, patches, contributions -- *Questions* \(even to developers\) go to drbd-user, please." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Send back status of zero out device to peer node. 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 | 2 ++ drbd/drbd_main.c | 28 ++++++++++++++++++++++++++++ 2 files changed, 30 insertions(+) diff --git a/drbd/drbd_int.h b/drbd/drbd_int.h index b49095e..e956eb4 100644 --- a/drbd/drbd_int.h +++ b/drbd/drbd_int.h @@ -1210,6 +1210,8 @@ 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_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 *); extern int drbd_send_sizes(struct drbd_peer_device *peer_device, int trigger_reply, enum dds_flags flags); extern int drbd_send_state(struct drbd_peer_device *, union drbd_state); diff --git a/drbd/drbd_main.c b/drbd/drbd_main.c index 841ed30..5892ff3 100644 --- a/drbd/drbd_main.c +++ b/drbd/drbd_main.c @@ -913,6 +913,34 @@ int drbd_send_zero_out_start(struct drbd_peer_device *peer_device) return _drbd_send_uuids(peer_device, 16); } +/** + * _drbd_send_zero_out_state() - Sends the drbd state to the peer + * @peer_device: DRBD peer device. + * @state: Device zero out status. + */ +static int _drbd_send_zero_out_state(struct drbd_peer_device *peer_device, unsigned int status) +{ + struct drbd_socket *sock; + struct p_state *p; + + sock = &peer_device->connection->data; + p = drbd_prepare_command(peer_device, sock); + if (!p) + return -EIO; + p->state = cpu_to_be32(status); + return drbd_send_command(peer_device, sock, P_ZERO_OUT, sizeof(*p), NULL, 0); +} + +int drbd_send_zero_out_ok(struct drbd_peer_device *peer_device) +{ + return _drbd_send_zero_out_state(peer_device, 0); +} + +int drbd_send_zero_out_fail(struct drbd_peer_device *peer_device) +{ + return _drbd_send_zero_out_state(peer_device, 1); +} + void drbd_print_uuids(struct drbd_device *device, const char *text) { if (get_ldev_if_state(device, D_NEGOTIATING)) { -- 1.8.4.5