os/bluestore: enable dummy db/txc in ExtentMap::reshard_action.

Intended for UT simplication only.

Signed-off-by: Igor Fedotov <igor.fedotov@croit.io>

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index a2f33c26b9f48f16e1540bc96a43612230c72da0..d9c7298453852d260567886de31e61667ec27529 100644 (file)
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -3757,11 +3757,13 @@ void BlueStore::ExtentMap::reshard_action(
            << shard_index_end << ")" << dendl;
 
   // Fault the range
-  fault_range(db, needs_reshard_begin, (needs_reshard_end - needs_reshard_begin));
+  if (db) {
+    fault_range(db, needs_reshard_begin, (needs_reshard_end - needs_reshard_begin));
+  }
 
   // Remove old shard keys
   string key;
-  for (unsigned i = shard_index_begin; i < shard_index_end; ++i) {
+  for (unsigned i = shard_index_begin; t && i < shard_index_end; ++i) {
     generate_extent_shard_key_and_apply(
       onode->key, shards[i].shard_info->offset, &key,
       [&](const string& final_key) {
@@ -3816,13 +3818,15 @@ void BlueStore::ExtentMap::reshard_action(
     // identify new spanning blobs
     dout(20) << __func__ << " checking spanning blobs 0x[" << std::hex
             << spanning_scan_begin << "," << spanning_scan_end << ")" << dendl;
-    if (spanning_scan_begin < needs_reshard_begin) {
-      fault_range(db, spanning_scan_begin,
-                 needs_reshard_begin - spanning_scan_begin);
-    }
-    if (spanning_scan_end > needs_reshard_end) {
-      fault_range(db, needs_reshard_end,
-                 spanning_scan_end - needs_reshard_end);
+    if (db) {
+      if (spanning_scan_begin < needs_reshard_begin) {
+        fault_range(db, spanning_scan_begin,
+                   needs_reshard_begin - spanning_scan_begin);
+      }
+      if (spanning_scan_end > needs_reshard_end) {
+        fault_range(db, needs_reshard_end,
+                      spanning_scan_end - needs_reshard_end);
+      }
     }
     auto current_shard = extent_map_shards.begin() + shard_index_begin;
     auto end_shard = extent_map_shards.end();