Log the CowOperation when decompression failed
Test: th
Bug: 302992208
Change-Id: I617062d75a79ae73dfdff13c2e9d2a62c5dfcfc0
diff --git a/fs_mgr/libsnapshot/snapuserd/dm-snapshot-merge/snapuserd_worker.cpp b/fs_mgr/libsnapshot/snapuserd/dm-snapshot-merge/snapuserd_worker.cpp
index 559dcc7..571b352 100644
--- a/fs_mgr/libsnapshot/snapuserd/dm-snapshot-merge/snapuserd_worker.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/dm-snapshot-merge/snapuserd_worker.cpp
@@ -103,7 +103,7 @@
ssize_t rv = reader_->ReadData(cow_op, buffer, BLOCK_SZ);
if (rv != BLOCK_SZ) {
SNAP_LOG(ERROR) << "ProcessReplaceOp failed for block " << cow_op->new_block
- << ", return = " << rv;
+ << ", return = " << rv << ", COW operation = " << *cow_op;
return false;
}
return true;
diff --git a/fs_mgr/libsnapshot/snapuserd/user-space-merge/read_worker.cpp b/fs_mgr/libsnapshot/snapuserd/user-space-merge/read_worker.cpp
index b9ecfa5..5cb13e8 100644
--- a/fs_mgr/libsnapshot/snapuserd/user-space-merge/read_worker.cpp
+++ b/fs_mgr/libsnapshot/snapuserd/user-space-merge/read_worker.cpp
@@ -283,7 +283,8 @@
// We found the sector in mapping. Check the type of COW OP and
// process it.
if (!ProcessCowOp(it->second, buffer)) {
- SNAP_LOG(ERROR) << "ProcessCowOp failed";
+ SNAP_LOG(ERROR)
+ << "ProcessCowOp failed, sector = " << sector << ", size = " << sz;
return false;
}