Revert "Fix: don't perform extra flush on metadata channel"

[lttng-modules.git] / lttng-abi.c

diff --git a/lttng-abi.c b/lttng-abi.c
index 87465189060edd4122cc9f8c5ad87c3fe218b6f1..3e4a88c1f83b74ab77f08b52493943d2d3035ef0 100644 (file)
--- a/lttng-abi.c
+++ b/lttng-abi.c
@@ -569,6 +569,8 @@ long lttng_session_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                return lttng_session_list_tracker_pids(session);
        case LTTNG_KERNEL_SESSION_METADATA_REGEN:
                return lttng_session_metadata_regenerate(session);
+       case LTTNG_KERNEL_SESSION_STATEDUMP:
+               return lttng_session_statedump(session);
        default:
                return -ENOIOCTLCMD;
        }
@@ -972,8 +974,11 @@ int lttng_abi_open_metadata_stream(struct file *channel_file)
                goto notransport;
        }
 
-       if (!lttng_kref_get(&session->metadata_cache->refcount))
+       if (!lttng_kref_get(&session->metadata_cache->refcount)) {
+               ret = -EOVERFLOW;
                goto kref_error;
+       }
+
        ret = lttng_abi_create_stream_fd(channel_file, stream_priv,
                        &lttng_metadata_ring_buffer_file_operations);
        if (ret < 0)