X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=lttng-abi.c;h=0f01d3d7df558b3ad6515edddc5006d865693d8b;hb=7337bad8813e5d9ec7f37669afb3ec3bf07937da;hp=196aed84e421fa96708e13e247aee2277b255485;hpb=b6155a916c35bfa4c4e5d49c52072e12c3daebba;p=lttng-modules.git

diff --git a/lttng-abi.c b/lttng-abi.c
index 196aed84..0f01d3d7 100644
--- a/lttng-abi.c
+++ b/lttng-abi.c
@@ -629,6 +629,18 @@ 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;
 	}
@@ -699,6 +711,18 @@ 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;
 	}