ceph/src/os/filestore/XfsFileStoreBackend.h

   1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
   2 // vim: ts=8 sw=2 smarttab
   3 /*
   4  * Ceph - scalable distributed file system
   5  *
   6  * Copyright (C) 2014 Inktank, Inc
   7  *
   8  * This is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License version 2.1, as published by the Free Software
  11  * Foundation.  See file COPYING.
  12  *
  13  */
  14
  15 #ifndef CEPH_XFSFILESTOREBACKEND_H
  16 #define CEPH_XFSFILESTOREBACKEND_H
  17
  18 #include "GenericFileStoreBackend.h"
  19
  20 #include "include/int_types.h"
  21
  22 class XfsFileStoreBackend : public GenericFileStoreBackend {
  23 private:
  24   bool m_has_extsize;
  25   int set_extsize(int fd, unsigned int val);
  26 public:
  27   explicit XfsFileStoreBackend(FileStore *fs);
  28   ~XfsFileStoreBackend() override {}
  29   const char *get_name() override {
  30     return "xfs";
  31   }
  32   int detect_features() override;
  33   int set_alloc_hint(int fd, uint64_t hint) override;
  34 };
  35
  36 #endif /* CEPH_XFSFILESTOREBACKEND_H */