Fix: use "flush empty" ioctl for snapshots

[lttng-tools.git] / src / common / kernel-ctl / kernel-ctl.c

diff --git a/src/common/kernel-ctl/kernel-ctl.c b/src/common/kernel-ctl/kernel-ctl.c
index 610a3c53b4cce80dec3fa3896eb3b5b7dd313b5b..144dbf04d8d7ff5ec1a5956d916981584788535f 100644 (file)
--- a/src/common/kernel-ctl/kernel-ctl.c
+++ b/src/common/kernel-ctl/kernel-ctl.c
@@ -426,6 +426,11 @@ int kernctl_buffer_flush(int fd)
        return LTTNG_IOCTL(fd, RING_BUFFER_FLUSH);
 }
 
+int kernctl_buffer_flush_empty(int fd)
+{
+       return LTTNG_IOCTL(fd, RING_BUFFER_FLUSH_EMPTY);
+}
+
 /* returns the version of the metadata. */
 int kernctl_get_metadata_version(int fd, uint64_t *version)
 {