[PATCH 02/16] ceph: messenger: reset connection kvec caller

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Reset a connection's kvec fields in the caller rather than in
prepare_write_connect().   This ends up repeating a few lines of
code but it's improving the separation between distinct operations
on the connection, which we can take advantage of later.

Signed-off-by: Alex Elder <elder@xxxxxxxxxxx>
Reviewed-by: Sage Weil <sage@xxxxxxxxxxx>
---
 net/ceph/messenger.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index bcbd409..cca3cf3 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -725,7 +725,6 @@ static int prepare_write_connect(struct ceph_messenger *msgr,
 	con->out_connect.protocol_version = cpu_to_le32(proto);
 	con->out_connect.flags = 0;

-	ceph_con_out_kvec_reset(con);
 	if (include_banner)
 		prepare_write_banner(msgr, con);
 	ceph_con_out_kvec_add(con, sizeof (con->out_connect), &con->out_connect);
@@ -1389,6 +1388,7 @@ static int process_connect(struct ceph_connection *con)
 			return -1;
 		}
 		con->auth_retry = 1;
+		ceph_con_out_kvec_reset(con);
 		ret = prepare_write_connect(con->msgr, con, 0);
 		if (ret < 0)
 			return ret;
@@ -1409,6 +1409,7 @@ static int process_connect(struct ceph_connection *con)
 		       ENTITY_NAME(con->peer_name),
 		       ceph_pr_addr(&con->peer_addr.in_addr));
 		reset_connection(con);
+		ceph_con_out_kvec_reset(con);
 		prepare_write_connect(con->msgr, con, 0);
 		prepare_read_connect(con);

@@ -1432,6 +1433,7 @@ static int process_connect(struct ceph_connection *con)
 		     le32_to_cpu(con->out_connect.connect_seq),
 		     le32_to_cpu(con->in_connect.connect_seq));
 		con->connect_seq = le32_to_cpu(con->in_connect.connect_seq);
+		ceph_con_out_kvec_reset(con);
 		prepare_write_connect(con->msgr, con, 0);
 		prepare_read_connect(con);
 		break;
@@ -1446,6 +1448,7 @@ static int process_connect(struct ceph_connection *con)
 		     le32_to_cpu(con->in_connect.global_seq));
 		get_global_seq(con->msgr,
 			       le32_to_cpu(con->in_connect.global_seq));
+		ceph_con_out_kvec_reset(con);
 		prepare_write_connect(con->msgr, con, 0);
 		prepare_read_connect(con);
 		break;
@@ -1851,6 +1854,7 @@ more:

 	/* open the socket first? */
 	if (con->sock == NULL) {
+		ceph_con_out_kvec_reset(con);
 		prepare_write_connect(msgr, con, 1);
 		prepare_read_banner(con);
 		set_bit(CONNECTING, &con->state);
--
1.7.5.4

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