Do not block stabilize by list and list by write

blockstore_write.cpp

@@ -289,7 +289,6 @@ int blockstore_impl_t::dequeue_write(blockstore_op_t *op)
             PRIV(op)->op_state = 3;
         }
     }
-    inflight_writes++;
     return 1;
 }
 
@@ -374,7 +373,6 @@ resume_4:
             dirty_it++;
         }
     }
-    inflight_writes--;
     // Acknowledge write
     op->retval = op->len;
     FINISH_OP(op);
@@ -386,7 +384,6 @@ void blockstore_impl_t::handle_write_event(ring_data_t *data, blockstore_op_t *o
     live = true;
     if (data->res != data->iov.iov_len)
     {
-        inflight_writes--;
         // FIXME: our state becomes corrupted after a write error. maybe do something better than just die
         throw std::runtime_error(
             "write operation failed ("+std::to_string(data->res)+" != "+std::to_string(data->iov.iov_len)+
@@ -445,7 +442,7 @@ int blockstore_impl_t::dequeue_del(blockstore_op_t *op)
     });
     assert(dirty_it != dirty_db.end());
     blockstore_journal_check_t space_check(this);
-    if (!space_check.check_available(op, 1, sizeof(journal_entry_del), 0))
+    if (!space_check.check_available(op, 1, sizeof(journal_entry_del), JOURNAL_STABILIZE_RESERVATION))
     {
         return 0;
     }