remove ceph code

[stor4nfv.git] / src / ceph / src / os / bluestore / aio.h

diff --git a/src/ceph/src/os/bluestore/aio.h b/src/ceph/src/os/bluestore/aio.h
deleted file mode 100644 (file)
index 2517e5f..0000000
--- a/src/ceph/src/os/bluestore/aio.h
+++ /dev/null
@@ -1,94 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-
-#pragma once
-
-#include "acconfig.h"
-#ifdef HAVE_LIBAIO
-# include <libaio.h>
-
-#include <boost/intrusive/list.hpp>
-#include <boost/container/small_vector.hpp>
-
-#include "include/buffer.h"
-#include "include/types.h"
-
-struct aio_t {
-  struct iocb iocb;  // must be first element; see shenanigans in aio_queue_t
-  void *priv;
-  int fd;
-  boost::container::small_vector<iovec,4> iov;
-  uint64_t offset, length;
-  int rval;
-  bufferlist bl;  ///< write payload (so that it remains stable for duration)
-
-  boost::intrusive::list_member_hook<> queue_item;
-
-  aio_t(void *p, int f) : priv(p), fd(f), offset(0), length(0), rval(-1000) {
-  }
-
-  void pwritev(uint64_t _offset, uint64_t len) {
-    offset = _offset;
-    length = len;
-    io_prep_pwritev(&iocb, fd, &iov[0], iov.size(), offset);
-  }
-  void pread(uint64_t _offset, uint64_t len) {
-    offset = _offset;
-    length = len;
-    bufferptr p = buffer::create_page_aligned(length);
-    io_prep_pread(&iocb, fd, p.c_str(), length, offset);
-    bl.append(std::move(p));
-  }
-
-  int get_return_value() {
-    return rval;
-  }
-};
-
-typedef boost::intrusive::list<
-  aio_t,
-  boost::intrusive::member_hook<
-    aio_t,
-    boost::intrusive::list_member_hook<>,
-    &aio_t::queue_item> > aio_list_t;
-
-struct aio_queue_t {
-  int max_iodepth;
-  io_context_t ctx;
-
-  typedef list<aio_t>::iterator aio_iter;
-
-  explicit aio_queue_t(unsigned max_iodepth)
-    : max_iodepth(max_iodepth),
-      ctx(0) {
-  }
-  ~aio_queue_t() {
-    assert(ctx == 0);
-  }
-
-  int init() {
-    assert(ctx == 0);
-    int r = io_setup(max_iodepth, &ctx);
-    if (r < 0) {
-      if (ctx) {
-       io_destroy(ctx);
-       ctx = 0;
-      }
-    }
-    return r;
-  }
-  void shutdown() {
-    if (ctx) {
-      int r = io_destroy(ctx);
-      assert(r == 0);
-      ctx = 0;
-    }
-  }
-
-  int submit(aio_t &aio, int *retries);
-  int submit_batch(aio_iter begin, aio_iter end, uint16_t aios_size, 
-                  void *priv, int *retries);
-  int get_next_completed(int timeout_ms, aio_t **paio, int max);
-};
-
-#endif