diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c
index 596d2ca5836..64a4cfd4ae0 100644
--- a/src/backend/access/transam/xlog.c
+++ b/src/backend/access/transam/xlog.c
@@ -9151,6 +9151,35 @@ get_backup_status(void)
 	return sessionBackupState;
 }
 
+/*
+ * XLogBackupStatus
+ *
+ * Returns true if any backup is currently in progress on this server (across all sessions),
+ * and optionally returns the LSN of the latest checkpoint redo location used as a starting
+ * point for an online backup (if lastBackupStart is not NULL).
+ *
+ * Note: We must hold WALInsertLock to read runningBackups and lastBackupStart to ensure
+ * consistent access to the shared memory values.
+ */
+bool
+XLogBackupStatus(XLogRecPtr *lastBackupStart)
+{
+	bool result;
+	XLogRecPtr lsn = InvalidXLogRecPtr;
+
+	WALInsertLockAcquireExclusive();
+	result = (XLogCtl->Insert.runningBackups > 0);
+	if (lastBackupStart)
+		lsn = XLogCtl->Insert.lastBackupStart;
+	WALInsertLockRelease();
+
+	if (lastBackupStart)
+		*lastBackupStart = lsn;
+
+	return result;
+}
+
+
 /*
  * do_pg_backup_stop
  *
diff --git a/src/include/access/xlog.h b/src/include/access/xlog.h
index adddac6710e..c5a326c98e2 100644
--- a/src/include/access/xlog.h
+++ b/src/include/access/xlog.h
@@ -299,6 +299,7 @@ extern void do_pg_backup_stop(BackupState *state, bool waitforarchive);
 extern void do_pg_abort_backup(int code, Datum arg);
 extern void register_persistent_abort_backup_handler(void);
 extern SessionBackupState get_backup_status(void);
+extern bool XLogBackupStatus(XLogRecPtr *lastBackupStart);
 
 /* File path names (all relative to $PGDATA) */
 #define RECOVERY_SIGNAL_FILE	"recovery.signal"