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-rw-r--r--src/backend/access/transam/slru.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/backend/access/transam/slru.c b/src/backend/access/transam/slru.c
index 3afd5340911..af57fe9e53a 100644
--- a/src/backend/access/transam/slru.c
+++ b/src/backend/access/transam/slru.c
@@ -1603,7 +1603,9 @@ SlruSyncFileTag(SlruCtl ctl, const FileTag *ftag, char *path)
if (fd < 0)
return -1;
+ pgstat_report_wait_start(WAIT_EVENT_SLRU_FLUSH_SYNC);
result = pg_fsync(fd);
+ pgstat_report_wait_end();
save_errno = errno;
CloseTransientFile(fd);