Use free running metadata channel key between sessiond and kernel consumer

[lttng-tools.git] / src / bin / lttng-sessiond / kernel.c

diff --git a/src/bin/lttng-sessiond/kernel.c b/src/bin/lttng-sessiond/kernel.c
index 158a12a3633fa54100c81d0f5179b6c2c9d9c68e..e5f068a0cd9515408a34b4621201e8b75f714a81 100644 (file)
--- a/src/bin/lttng-sessiond/kernel.c
+++ b/src/bin/lttng-sessiond/kernel.c
@@ -535,6 +535,7 @@ int kernel_open_metadata(struct ltt_kernel_session *session)
        }
 
        lkm->fd = ret;
+       lkm->key = ++next_kernel_channel_key;
        /* Prevent fd duplication after execlp() */
        ret = fcntl(lkm->fd, F_SETFD, FD_CLOEXEC);
        if (ret < 0) {
@@ -1052,7 +1053,7 @@ int kernel_snapshot_record(struct ltt_kernel_session *ksess,
                }
 
                /* Snapshot metadata, */
-               ret = consumer_snapshot_channel(socket, ksess->metadata->fd, output,
+               ret = consumer_snapshot_channel(socket, ksess->metadata->key, output,
                                1, ksess->uid, ksess->gid,
                                DEFAULT_KERNEL_TRACE_DIR, wait, 0);
                if (ret < 0) {