From 85c4be39578fc4bfce9c709b74e043c7f44509c0 Mon Sep 17 00:00:00 2001
From: Vitaliy Filippov <vitalif@yourcmc.ru>
Date: Wed, 17 Jun 2026 15:40:05 +0300
Subject: [PATCH] Clear lsn on sync retry to prevent possible crash on full
 io_uring

---
 src/blockstore/blockstore_sync.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/blockstore/blockstore_sync.cpp b/src/blockstore/blockstore_sync.cpp
index 0ae284c1..d34398d3 100644
--- a/src/blockstore/blockstore_sync.cpp
+++ b/src/blockstore/blockstore_sync.cpp
@@ -115,6 +115,7 @@ int blockstore_impl_t::do_sync(blockstore_op_t *op, int base_state)
     PRIV(op)->lsn = heap->get_completed_lsn();
     if (!submit_fsyncs(PRIV(op)->pending_ops))
     {
+        PRIV(op)->lsn = 0;
         PRIV(op)->wait_detail = 1;
         PRIV(op)->wait_for = WAIT_SQE;
         return 0;