From c542da26743a8fe42b7a91a19766e7f502388065 Mon Sep 17 00:00:00 2001
From: Daniel Zheng <zhengdaniel@google.com>
Date: Thu, 2 May 2024 11:36:22 -0700
Subject: [PATCH] libsnapshot: update write error logs

We want to print how much total data we are attempting to write if a
failure occurs

Bug: 336461151
Test: th
Change-Id: I269b7e280df34994c80fa8ef7d39163d053fa9ea
---
 fs_mgr/libsnapshot/libsnapshot_cow/writer_v3.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs_mgr/libsnapshot/libsnapshot_cow/writer_v3.cpp b/fs_mgr/libsnapshot/libsnapshot_cow/writer_v3.cpp
index 95398e4b9..1117ec965 100644
--- a/fs_mgr/libsnapshot/libsnapshot_cow/writer_v3.cpp
+++ b/fs_mgr/libsnapshot/libsnapshot_cow/writer_v3.cpp
@@ -731,7 +731,8 @@ bool CowWriterV3::WriteOperation(std::span<const CowOperationV3> ops,
             i += chunk;
         }
         if (total_written != total_data_size) {
-            PLOG(ERROR) << "write failed for data of size: " << data.size()
+            PLOG(ERROR) << "write failed for data vector of size: " << data.size()
+                        << " and total data length: " << total_data_size
                         << " at offset: " << next_data_pos_ << " " << errno
                         << ", only wrote: " << total_written;
             return false;