From 445a07b6cb837d1196f9fceb7655900031ca093f Mon Sep 17 00:00:00 2001
From: Wei Fu <fuweid89@gmail.com>
Date: Sun, 26 Nov 2023 21:03:26 +0800
Subject: [PATCH] tx.go: introduce failpoint before fdatasync

It can be used for power failure cases.

Signed-off-by: Wei Fu <fuweid89@gmail.com>
---
 tx.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tx.go b/tx.go
index 8b86030c1..4e1f454f5 100644
--- a/tx.go
+++ b/tx.go
@@ -475,6 +475,7 @@ func (tx *Tx) write() error {
 
 	// Ignore file sync if flag is set on DB.
 	if !tx.db.NoSync || common.IgnoreNoSync {
+		// gofail: var beforeSyncDataPages struct{}
 		if err := fdatasync(tx.db); err != nil {
 			return err
 		}
@@ -512,6 +513,7 @@ func (tx *Tx) writeMeta() error {
 		return err
 	}
 	if !tx.db.NoSync || common.IgnoreNoSync {
+		// gofail: var beforeSyncMetaPage struct{}
 		if err := fdatasync(tx.db); err != nil {
 			return err
 		}