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// -*- 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) 2014 Red Hat
*
* 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_OS_FS_H
#define CEPH_OS_FS_H
#include <errno.h>
#include <time.h>
#include <string>
#include "include/types.h"
#include "common/Mutex.h"
#include "common/Cond.h"
class FS {
public:
virtual ~FS() { }
static FS *create(uint64_t f_type);
static FS *create_by_fd(int fd);
virtual const char *get_name() {
return "generic";
}
virtual int set_alloc_hint(int fd, uint64_t hint);
virtual int get_handle(int fd, std::string *h);
virtual int open_handle(int mount_fd, const std::string& h, int flags);
virtual int copy_file_range(int to_fd, uint64_t to_offset,
int from_fd,
uint64_t from_offset, uint64_t from_len);
virtual int zero(int fd, uint64_t offset, uint64_t length);
// -- aio --
};
#endif
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