relayd: tracefile array: Allow head position to skip ahead

[lttng-tools.git] / src / bin / lttng-relayd / tracefile-array.c

diff --git a/src/bin/lttng-relayd/tracefile-array.c b/src/bin/lttng-relayd/tracefile-array.c
index a52ccd550823fdeeeaf9f892cbd7e09a74d0959e..c7a86966fc5d6bff46b41b00a8513b8f82b0e290 100644 (file)
--- a/src/bin/lttng-relayd/tracefile-array.c
+++ b/src/bin/lttng-relayd/tracefile-array.c
@@ -120,15 +120,16 @@ void tracefile_array_file_rotate(struct tracefile_array *tfa,
        }
 }
 
-void tracefile_array_commit_seq(struct tracefile_array *tfa)
+void tracefile_array_commit_seq(struct tracefile_array *tfa,
+               uint64_t new_seq_head)
 {
        uint64_t *headp, *tailp;
 
        /* Increment overall head. */
-       tfa->seq_head++;
-       /* If we are committing our first index overall, set tail to 0. */
+       tfa->seq_head = new_seq_head;
+       /* If we are committing our first index overall, set tail to head. */
        if (tfa->seq_tail == -1ULL) {
-               tfa->seq_tail = 0;
+               tfa->seq_tail = new_seq_head;
        }
        if (!tfa->count) {
                /* Not in tracefile rotation mode. */