From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:45:59 +0200 Subject: Adding upstream version 16.2.11+ds. Signed-off-by: Daniel Baumann --- src/os/filestore/BtrfsFileStoreBackend.h | 49 ++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) create mode 100644 src/os/filestore/BtrfsFileStoreBackend.h (limited to 'src/os/filestore/BtrfsFileStoreBackend.h') diff --git a/src/os/filestore/BtrfsFileStoreBackend.h b/src/os/filestore/BtrfsFileStoreBackend.h new file mode 100644 index 000000000..eafa88f41 --- /dev/null +++ b/src/os/filestore/BtrfsFileStoreBackend.h @@ -0,0 +1,49 @@ +// -*- 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 + * + * 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(std::list& ls) override; + int create_checkpoint(const std::string& name, uint64_t *cid) override; + int sync_checkpoint(uint64_t cid) override; + int rollback_to(const std::string& name) override; + int destroy_checkpoint(const std::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 -- cgit v1.2.3