Send back status of zero out device to peer node.
Signed-off-by: Nick Wang <[email protected]>
CC: Philipp Reisner <[email protected]>
CC: Lars Ellenberg <[email protected]>
CC: [email protected]
CC: [email protected]
---
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
--
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