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 f58aef7388394964dbf60a91233be98da9edaa12..bc52c3e5dd1ba593d8c23e5569f2d5497c1c50d1 100644 (file)
--- a/src/common/kernel-ctl/kernel-ctl.c
+++ b/src/common/kernel-ctl/kernel-ctl.c
@@ -408,6 +408,11 @@ int kernctl_buffer_flush(int fd)
        return LTTNG_IOCTL_CHECK(fd, RING_BUFFER_FLUSH);
 }
 
+int kernctl_buffer_flush_empty(int fd)
+{
+       return LTTNG_IOCTL_CHECK(fd, RING_BUFFER_FLUSH_EMPTY);
+}
+
 /* returns the version of the metadata. */
 int kernctl_get_metadata_version(int fd, uint64_t *version)
 {