diff --git a/src/blockstore_flush.cpp b/src/blockstore_flush.cpp
index 4de301e64..dc94b2a35 100644
--- a/src/blockstore_flush.cpp
+++ b/src/blockstore_flush.cpp
@@ -783,6 +783,9 @@ void journal_flusher_co::update_clean_db()
     {
         auto clean_it = bs->clean_db.find(cur.oid);
         bs->clean_db.erase(clean_it);
+#ifdef BLOCKSTORE_DEBUG
+        printf("Free block %lu (delete)\n", clean_loc >> bs->block_order);
+#endif
         bs->data_alloc->set(clean_loc >> bs->block_order, false);
         clean_loc = UINT64_MAX;
     }
diff --git a/src/blockstore_init.cpp b/src/blockstore_init.cpp
index 07ff3cb1c..6f30435db 100644
--- a/src/blockstore_init.cpp
+++ b/src/blockstore_init.cpp
@@ -625,7 +625,11 @@ int blockstore_init_journal::handle_journal_part(void *buf, uint64_t done_pos, u
                         .journal_sector = proc_pos,
                     });
 #ifdef BLOCKSTORE_DEBUG
-                    printf("Allocate block %lu\n", je->big_write.location >> bs->block_order);
+                    printf(
+                        "Allocate block (journal) %lu: %lx:%lx v%lu\n",
+                        je->big_write.location >> bs->block_order,
+                        ov.oid.inode, ov.oid.stripe, ov.version
+                    );
 #endif
                     bs->data_alloc->set(je->big_write.location >> bs->block_order, true);
                     bs->journal.used_sectors[proc_pos]++;
diff --git a/src/blockstore_write.cpp b/src/blockstore_write.cpp
index 812b24d95..a2c62f6e3 100644
--- a/src/blockstore_write.cpp
+++ b/src/blockstore_write.cpp
@@ -224,7 +224,10 @@ int blockstore_impl_t::dequeue_write(blockstore_op_t *op)
         dirty_it->second.location = loc << block_order;
         dirty_it->second.state = (dirty_it->second.state & ~BS_ST_WORKFLOW_MASK) | BS_ST_SUBMITTED;
 #ifdef BLOCKSTORE_DEBUG
-        printf("Allocate block %lu\n", loc);
+        printf(
+            "Allocate block %lu for %lx:%lx v%lu\n",
+            loc, op->oid.inode, op->oid.stripe, op->version
+        );
 #endif
         data_alloc->set(loc, true);
         uint64_t stripe_offset = (op->offset % bitmap_granularity);