From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752911Ab1IELqj (ORCPT ); Mon, 5 Sep 2011 07:46:39 -0400 Received: from mail09.linbit.com ([212.69.161.110]:60183 "EHLO mail09.linbit.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752714Ab1IELp7 (ORCPT ); Mon, 5 Sep 2011 07:45:59 -0400 From: Philipp Reisner To: linux-kernel@vger.kernel.org, Jens Axboe Cc: drbd-dev@lists.linbit.com Subject: [PATCH 21/54] drbd: _drbd_send_ack(): Return 0 upon success and an error code otherwise Date: Mon, 5 Sep 2011 13:45:12 +0200 Message-Id: <1315223145-20640-22-git-send-email-philipp.reisner@linbit.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1315223145-20640-1-git-send-email-philipp.reisner@linbit.com> References: <1315223145-20640-1-git-send-email-philipp.reisner@linbit.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Andreas Gruenbacher Signed-off-by: Philipp Reisner Signed-off-by: Lars Ellenberg --- drivers/block/drbd/drbd_main.c | 28 +++++++++++++--------------- 1 files changed, 13 insertions(+), 15 deletions(-) diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 3bbe85b..2718327 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -1249,7 +1249,6 @@ void drbd_send_b_ack(struct drbd_conf *mdev, u32 barrier_nr, u32 set_size) static int _drbd_send_ack(struct drbd_conf *mdev, enum drbd_packet cmd, u64 sector, u32 blksize, u64 block_id) { - int ok; struct p_block_ack p; p.sector = sector; @@ -1258,9 +1257,8 @@ static int _drbd_send_ack(struct drbd_conf *mdev, enum drbd_packet cmd, p.seq_num = cpu_to_be32(atomic_inc_return(&mdev->packet_seq)); if (!mdev->tconn->meta.socket || mdev->state.conn < C_CONNECTED) - return false; - ok = !drbd_send_cmd(mdev, &mdev->tconn->meta, cmd, &p.head, sizeof(p)); - return ok; + return -EIO; + return drbd_send_cmd(mdev, &mdev->tconn->meta, cmd, &p.head, sizeof(p)); } /* dp->sector and dp->block_id already/still in network byte order, @@ -1271,14 +1269,14 @@ int drbd_send_ack_dp(struct drbd_conf *mdev, enum drbd_packet cmd, { data_size -= (mdev->tconn->agreed_pro_version >= 87 && mdev->tconn->integrity_r_tfm) ? crypto_hash_digestsize(mdev->tconn->integrity_r_tfm) : 0; - return _drbd_send_ack(mdev, cmd, dp->sector, cpu_to_be32(data_size), - dp->block_id); + return !_drbd_send_ack(mdev, cmd, dp->sector, cpu_to_be32(data_size), + dp->block_id); } int drbd_send_ack_rp(struct drbd_conf *mdev, enum drbd_packet cmd, struct p_block_req *rp) { - return _drbd_send_ack(mdev, cmd, rp->sector, rp->blksize, rp->block_id); + return !_drbd_send_ack(mdev, cmd, rp->sector, rp->blksize, rp->block_id); } /** @@ -1290,10 +1288,10 @@ int drbd_send_ack_rp(struct drbd_conf *mdev, enum drbd_packet cmd, int drbd_send_ack(struct drbd_conf *mdev, enum drbd_packet cmd, struct drbd_peer_request *peer_req) { - return _drbd_send_ack(mdev, cmd, - cpu_to_be64(peer_req->i.sector), - cpu_to_be32(peer_req->i.size), - peer_req->block_id); + return !_drbd_send_ack(mdev, cmd, + cpu_to_be64(peer_req->i.sector), + cpu_to_be32(peer_req->i.size), + peer_req->block_id); } /* This function misuses the block_id field to signal if the blocks @@ -1301,10 +1299,10 @@ int drbd_send_ack(struct drbd_conf *mdev, enum drbd_packet cmd, int drbd_send_ack_ex(struct drbd_conf *mdev, enum drbd_packet cmd, sector_t sector, int blksize, u64 block_id) { - return _drbd_send_ack(mdev, cmd, - cpu_to_be64(sector), - cpu_to_be32(blksize), - cpu_to_be64(block_id)); + return !_drbd_send_ack(mdev, cmd, + cpu_to_be64(sector), + cpu_to_be32(blksize), + cpu_to_be64(block_id)); } int drbd_send_drequest(struct drbd_conf *mdev, int cmd, -- 1.7.4.1