X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=lttng-abi.c;h=9400f5374aad7ce1510e7db59bcc423568b50448;hb=53f7c057e722934b40599fa9d5daf0cda3bda671;hp=cc3d4b5bf37765a50f8b8860b28b22e9639a241e;hpb=e795690f41343b02cb6e78aa5edfe126c072a53c;p=lttng-modules.git

diff --git a/lttng-abi.c b/lttng-abi.c
index cc3d4b5b..9400f537 100644
--- a/lttng-abi.c
+++ b/lttng-abi.c
@@ -684,6 +684,18 @@ long lttng_metadata_ring_buffer_ioctl(struct file *filp,
 			goto err;
 		break;
 	}
+	case RING_BUFFER_SNAPSHOT:
+	{
+		/*
+		 * Force the buffer to quiescent so the ring buffer
+		 * don't attempt to perform a SWITCH_FLUSH, which would
+		 * desynchronize the client accounting of the amount of
+		 * data available in the buffer from the ring buffer
+		 * view.
+		 */
+		buf->quiescent = true;
+		break;
+	}
 	default:
 		break;
 	}
@@ -754,6 +766,18 @@ long lttng_metadata_ring_buffer_compat_ioctl(struct file *filp,
 			goto err;
 		break;
 	}
+	case RING_BUFFER_SNAPSHOT:
+	{
+		/*
+		 * Force the buffer to quiescent so the ring buffer
+		 * don't attempt to perform a SWITCH_FLUSH, which would
+		 * desynchronize the client accounting of the amount of
+		 * data available in the buffer from the ring buffer
+		 * view.
+		 */
+		buf->quiescent = true;
+		break;
+	}
 	default:
 		break;
 	}