X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fcommon%2Fust-consumer%2Fust-consumer.c;h=113ae959ea32e75b52fd13e7a5cc7d0d0a1867fa;hp=f0147af4eee84b83164ea692601cb19908729766;hb=1c20f0e29cbf8627bfb1ff444572d52d6655c4e2;hpb=3c4599b9a5c12ceff19368c6cd51e01d81824726

diff --git a/src/common/ust-consumer/ust-consumer.c b/src/common/ust-consumer/ust-consumer.c
index f0147af4e..113ae959e 100644
--- a/src/common/ust-consumer/ust-consumer.c
+++ b/src/common/ust-consumer/ust-consumer.c
@@ -1664,7 +1664,7 @@ int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
 		struct lttng_consumer_local_data *ctx)
 {
 	unsigned long len, subbuf_size, padding;
-	int err, write_index = 0;
+	int err, write_index = 1;
 	long ret = 0;
 	char dummy;
 	struct ustctl_consumer_stream *ustream;
@@ -1680,11 +1680,6 @@ int lttng_ustconsumer_read_subbuffer(struct lttng_consumer_stream *stream,
 	/* Ease our life for what's next. */
 	ustream = stream->ustream;
 
-	/* Indicate that for this stream we have to write the index. */
-	if (stream->index_fd >= 0) {
-		write_index = 1;
-	}
-
 	/* We can consume the 1 byte written into the wait_fd by UST */
 	if (stream->monitor && !stream->hangup_flush_done) {
 		ssize_t readlen;
@@ -1743,12 +1738,14 @@ retry:
 	}
 	assert(stream->chan->output == CONSUMER_CHANNEL_MMAP);
 
-	if (!stream->metadata_flag && write_index) {
+	if (!stream->metadata_flag) {
 		index.offset = htobe64(stream->out_fd_offset);
 		ret = get_index_values(&index, ustream);
 		if (ret < 0) {
 			goto end;
 		}
+	} else {
+		write_index = 0;
 	}
 
 	/* Get the full padded subbuffer size */
@@ -1788,12 +1785,14 @@ retry:
 	assert(err == 0);
 
 	/* Write index if needed. */
-	if (write_index) {
-		err = index_write(stream->index_fd, &index, sizeof(index));
-		if (err < 0) {
-			ret = -1;
-			goto end;
-		}
+	if (!write_index) {
+		goto end;
+	}
+
+	assert(!stream->metadata_flag);
+	err = consumer_stream_write_index(stream, &index);
+	if (err < 0) {
+		goto end;
 	}
 
 end: