ceph/src/os/filestore/ZFSFileStoreBackend.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3
   4 #ifndef CEPH_ZFSFILESTOREBACKEND_H
   5 #define CEPH_ZFSFILESTOREBACKEND_H
   6
   7 #ifdef HAVE_LIBZFS
   8 #include "GenericFileStoreBackend.h"
   9 #include "os/fs/ZFS.h"
  10
  11 class ZFSFileStoreBackend : public GenericFileStoreBackend {
  12 private:
  13   ZFS zfs;
  14   ZFS::Handle *base_zh;
  15   ZFS::Handle *current_zh;
  16   bool m_filestore_zfs_snap;
  17   int update_current_zh();
  18 public:
  19   explicit ZFSFileStoreBackend(FileStore *fs);
  20   ~ZFSFileStoreBackend();
  21   const char *get_name() override {
  22     return "zfs";
  23   }
  24   int detect_features();
  25   bool can_checkpoint();
  26   int create_current();
  27   int list_checkpoints(list<string>& ls);
  28   int create_checkpoint(const string& name, uint64_t *cid);
  29   int rollback_to(const string& name);
  30   int destroy_checkpoint(const string& name);
  31 };
  32 #endif
  33 #endif