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-rw-r--r--rpc/rpc-transport/socket/src/socket.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/rpc/rpc-transport/socket/src/socket.c b/rpc/rpc-transport/socket/src/socket.c
index 0a3a5812a91..a7e2bb0cfdf 100644
--- a/rpc/rpc-transport/socket/src/socket.c
+++ b/rpc/rpc-transport/socket/src/socket.c
@@ -1904,6 +1904,7 @@ __socket_read_reply (rpc_transport_t *this)
/* release priv->lock, so as to avoid deadlock b/w conn->lock
* and priv->lock, since we are doing an upcall here.
*/
+ frag->state = SP_STATE_NOTIFYING_XID;
pthread_mutex_unlock (&priv->lock);
{
ret = rpc_transport_notify (this,
@@ -1912,6 +1913,9 @@ __socket_read_reply (rpc_transport_t *this)
}
pthread_mutex_lock (&priv->lock);
+ /* Transition back to externally visible state. */
+ frag->state = SP_STATE_READ_MSGTYPE;
+
if (ret == -1) {
gf_log (this->name, GF_LOG_WARNING,
"notify for event MAP_XID failed for %s",
@@ -1999,6 +2003,14 @@ __socket_read_frag (rpc_transport_t *this)
}
break;
+
+ case SP_STATE_NOTIFYING_XID:
+ /* Another epoll thread is notifying higher layers
+ *of reply's xid. */
+ errno = EAGAIN;
+ return -1;
+ break;
+
}
out: