initial code repo

[stor4nfv.git] / src / ceph / src / os / fs / FS.h

diff --git a/src/ceph/src/os/fs/FS.h b/src/ceph/src/os/fs/FS.h
new file mode 100644 (file)
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+++ b/src/ceph/src/os/fs/FS.h
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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