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-rw-r--r--fs/ceph/messenger.c22
-rw-r--r--fs/ceph/messenger.h1
2 files changed, 19 insertions, 4 deletions
diff --git a/fs/ceph/messenger.c b/fs/ceph/messenger.c
index b0571b01b19f..96fd556a7804 100644
--- a/fs/ceph/messenger.c
+++ b/fs/ceph/messenger.c
@@ -322,7 +322,10 @@ static void reset_connection(struct ceph_connection *con)
con->connect_seq = 0;
con->out_seq = 0;
- con->out_msg = NULL;
+ if (con->out_msg) {
+ ceph_msg_put(con->out_msg);
+ con->out_msg = NULL;
+ }
con->in_seq = 0;
mutex_unlock(&con->out_mutex);
}
@@ -423,7 +426,7 @@ static void prepare_write_message_footer(struct ceph_connection *con, int v)
con->out_kvec_bytes += sizeof(m->footer);
con->out_kvec_left++;
con->out_more = m->more_to_follow;
- con->out_msg = NULL; /* we're done with this one */
+ con->out_msg_done = true;
}
/*
@@ -436,6 +439,7 @@ static void prepare_write_message(struct ceph_connection *con)
con->out_kvec_bytes = 0;
con->out_kvec_is_msg = true;
+ con->out_msg_done = false;
/* Sneak an ack in there first? If we can get it into the same
* TCP packet that's a good thing. */
@@ -452,8 +456,9 @@ static void prepare_write_message(struct ceph_connection *con)
/* move message to sending/sent list */
m = list_first_entry(&con->out_queue,
struct ceph_msg, list_head);
+ con->out_msg = m;
+ ceph_msg_get(m);
list_move_tail(&m->list_head, &con->out_sent);
- con->out_msg = m; /* we don't bother taking a reference here. */
m->hdr.seq = cpu_to_le64(++con->out_seq);
@@ -1521,6 +1526,12 @@ more_kvec:
/* msg pages? */
if (con->out_msg) {
+ if (con->out_msg_done) {
+ ceph_msg_put(con->out_msg);
+ con->out_msg = NULL; /* we're done with this one */
+ goto do_next;
+ }
+
ret = write_partial_msg_pages(con);
if (ret == 1)
goto more_kvec; /* we need to send the footer, too! */
@@ -1533,6 +1544,7 @@ more_kvec:
}
}
+do_next:
if (!test_bit(CONNECTING, &con->state)) {
/* is anything else pending? */
if (!list_empty(&con->out_queue)) {
@@ -1923,8 +1935,10 @@ void ceph_con_revoke(struct ceph_connection *con, struct ceph_msg *msg)
list_del_init(&msg->list_head);
ceph_msg_put(msg);
msg->hdr.seq = 0;
- if (con->out_msg == msg)
+ if (con->out_msg == msg) {
+ ceph_msg_put(con->out_msg);
con->out_msg = NULL;
+ }
if (con->out_kvec_is_msg) {
con->out_skip = con->out_kvec_bytes;
con->out_kvec_is_msg = false;
diff --git a/fs/ceph/messenger.h b/fs/ceph/messenger.h
index 981b7c08ad82..eff5cb5197fc 100644
--- a/fs/ceph/messenger.h
+++ b/fs/ceph/messenger.h
@@ -182,6 +182,7 @@ struct ceph_connection {
/* message out temps */
struct ceph_msg *out_msg; /* sending message (== tail of
out_sent) */
+ bool out_msg_done;
struct ceph_msg_pos out_msg_pos;
struct kvec out_kvec[8], /* sending header/footer data */
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