From: Philipp Reisner <philipp.reisner@linbit.com>
To: linux-kernel@vger.kernel.org, Jens Axboe <axboe@kernel.dk>
Cc: drbd-dev@lists.linbit.com
Subject: [PATCH 12/54] drbd: drbd_send_protocol(): Return 0 upon success and an error code otherwise
Date: Mon, 5 Sep 2011 13:45:03 +0200 [thread overview]
Message-ID: <1315223145-20640-13-git-send-email-philipp.reisner@linbit.com> (raw)
In-Reply-To: <1315223145-20640-1-git-send-email-philipp.reisner@linbit.com>
From: Andreas Gruenbacher <agruen@linbit.com>
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
---
drivers/block/drbd/drbd_main.c | 10 +++++-----
drivers/block/drbd/drbd_receiver.c | 2 +-
2 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c
index 4e53450..9ee7cf1 100644
--- a/drivers/block/drbd/drbd_main.c
+++ b/drivers/block/drbd/drbd_main.c
@@ -825,7 +825,7 @@ int drbd_send_sync_param(struct drbd_conf *mdev)
int drbd_send_protocol(struct drbd_tconn *tconn)
{
struct p_protocol *p;
- int size, cf, rv;
+ int size, cf, err;
size = sizeof(struct p_protocol);
@@ -836,7 +836,7 @@ int drbd_send_protocol(struct drbd_tconn *tconn)
* as that is blocked during handshake */
p = kmalloc(size, GFP_NOIO);
if (p == NULL)
- return 0;
+ return -ENOMEM;
p->protocol = cpu_to_be32(tconn->net_conf->wire_protocol);
p->after_sb_0p = cpu_to_be32(tconn->net_conf->after_sb_0p);
@@ -853,7 +853,7 @@ int drbd_send_protocol(struct drbd_tconn *tconn)
else {
conn_err(tconn, "--dry-run is not supported by peer");
kfree(p);
- return -1;
+ return -EOPNOTSUPP;
}
}
p->conn_flags = cpu_to_be32(cf);
@@ -861,9 +861,9 @@ int drbd_send_protocol(struct drbd_tconn *tconn)
if (tconn->agreed_pro_version >= 87)
strcpy(p->integrity_alg, tconn->net_conf->integrity_alg);
- rv = !conn_send_cmd2(tconn, P_PROTOCOL, p->head.payload, size);
+ err = conn_send_cmd2(tconn, P_PROTOCOL, p->head.payload, size);
kfree(p);
- return rv;
+ return err;
}
int _drbd_send_uuids(struct drbd_conf *mdev, u64 uuid_flags)
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 91de208..0ca559b 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -931,7 +931,7 @@ retry:
drbd_thread_start(&tconn->asender);
- if (drbd_send_protocol(tconn) == -1)
+ if (drbd_send_protocol(tconn) == -EOPNOTSUPP)
return -1;
return !idr_for_each(&tconn->volumes, drbd_connected, tconn);
--
1.7.4.1
next prev parent reply other threads:[~2011-09-05 11:51 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-05 11:44 [RFC 00/54] drbd: part 6 of adding multiple volume support to drbd Philipp Reisner
2011-09-05 11:44 ` [PATCH 01/54] drbd: drbd_get_data_sock(): Return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:44 ` [PATCH 02/54] drbd: Add drbd_send_all(): Send an entire buffer Philipp Reisner
2011-09-05 11:44 ` [PATCH 03/54] drbd: conn_send_cmd2(): Return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:44 ` [PATCH 04/54] drbd: _conn_send_cmd(): " Philipp Reisner
2011-09-05 11:44 ` [PATCH 05/54] drbd: _drbd_send_cmd(): " Philipp Reisner
2011-09-05 11:44 ` [PATCH 06/54] drbd: conn_send_cmd(): " Philipp Reisner
2011-09-05 11:44 ` [PATCH 07/54] drbd: Get rid of USE_DATA_SOCKET and USE_META_SOCKET Philipp Reisner
2011-09-05 11:44 ` [PATCH 08/54] drbd: drbd_send_cmd(): Return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:45 ` [PATCH 09/54] drbd: drbd_send_sync_param(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 10/54] drbd: drbd_send_state(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 11/54] drbd: drbd_send_handshake(): " Philipp Reisner
2011-09-05 11:45 ` Philipp Reisner [this message]
2011-09-05 11:45 ` [PATCH 13/54] drbd: drbd_send_uuids() and its variants: " Philipp Reisner
2011-09-05 11:45 ` [PATCH 14/54] drbd: drbd_gen_and_send_sync_uuid(): Return void: the result is never used Philipp Reisner
2011-09-05 11:45 ` [PATCH 15/54] drbd: drbd_send_sizes(): Return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:45 ` [PATCH 16/54] drbd: _conn_send_state_req(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 17/54] drbd: conn_send_state_req(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 18/54] drbd: drbd_send_state_req(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 19/54] drbd: drbd_send_sr_reply(): Return void: the result is never used Philipp Reisner
2011-09-05 11:45 ` [PATCH 20/54] drbd: drbd_send_b_ack(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 21/54] drbd: _drbd_send_ack(): Return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:45 ` [PATCH 22/54] drbd: drbd_send_ack(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 23/54] drbd: drbd_send_ack_{dp,rp}(): Return void: the result is never used Philipp Reisner
2011-09-05 11:45 ` [PATCH 24/54] drbd: drbd_send_ack_ex(): Return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:45 ` [PATCH 25/54] drbd: drbd_send_drequest(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 26/54] drbd: drbd_send_drequest_csum(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 27/54] drbd: drbd_send_oos(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 28/54] drbd: _drbd_no_send_page(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 29/54] drbd: _drbd_send_page(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 30/54] drbd: _drbd_send_zc_ee(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 31/54] drbd: drbd_send_block(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 32/54] drbd: _drbd_send_bio(), _drbd_send_zc_bio(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 33/54] drbd: drbd_send_dblock(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 34/54] drbd: drbd_send_short_cmd(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 35/54] drbd: Temporarily change the return type of all worker callbacks Philipp Reisner
2011-09-05 11:45 ` [PATCH 36/54] drbd: Make all worker callbacks return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:45 ` [PATCH 37/54] drbd: drbd_process_done_ee(): Return " Philipp Reisner
2011-09-05 11:45 ` [PATCH 38/54] drbd: decode_header(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 39/54] drbd: drbd_recv_header(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 40/54] drbd: drbd_drain_block(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 41/54] drbd: recv_dless_read(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 42/54] drbd: recv_resync_read(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 43/54] drbd: send_bitmap_rle_or_plain(): Error handling cleanup Philipp Reisner
2011-09-05 11:45 ` [PATCH 44/54] drbd: Add drbd_recv_all(): Receive an entire buffer Philipp Reisner
2011-09-05 11:45 ` [PATCH 45/54] drbd: Make all command handlers return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:45 ` [PATCH 46/54] drbd: drbd_bm_read() never returns a positive value through drbd_bitmap_io() Philipp Reisner
2011-09-05 11:45 ` [PATCH 47/54] drbd: _drbd_md_sync_page_io(): Return 0 upon success and an error code otherwise Philipp Reisner
2011-09-05 11:45 ` [PATCH 48/54] drbd: drbd_md_sync_page_io(): " Philipp Reisner
2011-09-05 11:45 ` [PATCH 49/54] drbd: Remove duplicate initialization Philipp Reisner
2011-09-05 11:45 ` [PATCH 50/54] drbd: Remove unnecessary assertion Philipp Reisner
2011-09-05 11:45 ` [PATCH 51/54] drbd: drbd_may_do_local_read(): Use bool/true/false Philipp Reisner
2011-09-05 11:45 ` [PATCH 52/54] drbd: Rename various functions from *_oos_* to *_out_of_sync_* for clarity Philipp Reisner
2011-09-05 11:45 ` [PATCH 53/54] drbd: Get rid of typedef drbd_work_cb Philipp Reisner
2011-09-05 11:45 ` [PATCH 54/54] drbd: Introduce and use drbd_recv_all_warn() Philipp Reisner
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