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-rw-r--r--src/backend/backup/basebackup_incremental.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/backend/backup/basebackup_incremental.c b/src/backend/backup/basebackup_incremental.c
index 22b861ce528..3ab2bfd68d9 100644
--- a/src/backend/backup/basebackup_incremental.c
+++ b/src/backend/backup/basebackup_incremental.c
@@ -436,12 +436,12 @@ PrepareForIncrementalBackup(IncrementalBackupInfo *ib,
* drifting to something that is not a multiple of ten.
*/
timeout_in_ms -=
- TimestampDifferenceMilliseconds(current_time, initial_time) %
+ TimestampDifferenceMilliseconds(initial_time, current_time) %
timeout_in_ms;
/* Wait for up to 10 seconds. */
summarized_lsn = WaitForWalSummarization(backup_state->startpoint,
- 10000, &pending_lsn);
+ timeout_in_ms, &pending_lsn);
/* If WAL summarization has progressed sufficiently, stop waiting. */
if (summarized_lsn >= backup_state->startpoint)