+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2004-2006 Sage Weil <sage@newdream.net>
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation. See file COPYING.
- *
- */
-
-#ifndef CEPH_BTRFSFILESTOREBACKEDN_H
-#define CEPH_BTRFSFILESTOREBACKEDN_H
-
-#if defined(__linux__)
-#include "GenericFileStoreBackend.h"
-
-class BtrfsFileStoreBackend : public GenericFileStoreBackend {
-private:
- bool has_clone_range; ///< clone range ioctl is supported
- bool has_snap_create; ///< snap create ioctl is supported
- bool has_snap_destroy; ///< snap destroy ioctl is supported
- bool has_snap_create_v2; ///< snap create v2 ioctl (async!) is supported
- bool has_wait_sync; ///< wait sync ioctl is supported
- bool stable_commits;
- bool m_filestore_btrfs_clone_range;
- bool m_filestore_btrfs_snap;
-public:
- explicit BtrfsFileStoreBackend(FileStore *fs);
- ~BtrfsFileStoreBackend() override {}
- const char *get_name() override {
- return "btrfs";
- }
- int detect_features() override;
- bool can_checkpoint() override;
- int create_current() override;
- int list_checkpoints(list<string>& ls) override;
- int create_checkpoint(const string& name, uint64_t *cid) override;
- int sync_checkpoint(uint64_t cid) override;
- int rollback_to(const string& name) override;
- int destroy_checkpoint(const string& name) override;
- int syncfs() override;
- int clone_range(int from, int to, uint64_t srcoff, uint64_t len, uint64_t dstoff) override;
-};
-#endif
-#endif