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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#ifndef CEPH_LIBRBD_EXCLUSIVE_LOCK_POLICY_H
#define CEPH_LIBRBD_EXCLUSIVE_LOCK_POLICY_H
namespace librbd {
namespace exclusive_lock {
enum OperationRequestType {
OPERATION_REQUEST_TYPE_GENERAL = 0,
OPERATION_REQUEST_TYPE_TRASH_SNAP_REMOVE = 1,
OPERATION_REQUEST_TYPE_FORCE_PROMOTION = 2,
};
struct Policy {
virtual ~Policy() {
}
virtual bool may_auto_request_lock() = 0;
virtual int lock_requested(bool force) = 0;
virtual bool accept_blocked_request(OperationRequestType) {
return false;
}
};
} // namespace exclusive_lock
} // namespace librbd
#endif // CEPH_LIBRBD_EXCLUSIVE_LOCK_POLICY_H
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