From e64d16d54ebc0a60d43aa68e804d874e7a443f05 Mon Sep 17 00:00:00 2001
From: Haomai Wang <haomai@xsky.com>
Date: Mon, 4 Jan 2016 22:30:05 +0800
Subject: [PATCH] BlockDevice: Fix compile error

Signed-off-by: Haomai Wang <haomai@xsky.com>
---
 src/os/bluestore/BlockDevice.cc | 21 +++++++++++++++++++++
 src/os/bluestore/BlockDevice.h  |  7 +++++--
 src/os/bluestore/NVMEDevice.h   |  2 --
 3 files changed, 26 insertions(+), 4 deletions(-)

diff --git a/src/os/bluestore/BlockDevice.cc b/src/os/bluestore/BlockDevice.cc
index 741921a8d80b4..528d71114ded9 100644
--- a/src/os/bluestore/BlockDevice.cc
+++ b/src/os/bluestore/BlockDevice.cc
@@ -19,6 +19,27 @@
 #include "NVMEDevice.h"
 #endif
 
+#include "common/debug.h"
+
+#define dout_subsys ceph_subsys_bdev
+#undef dout_prefix
+#define dout_prefix *_dout << "bdev "
+
+void IOContext::aio_wait()
+{
+  Mutex::Locker l(lock);
+  // see _aio_thread for waker logic
+  num_waiting.inc();
+  while (num_running.read() > 0 || num_reading.read() > 0) {
+    dout(10) << __func__ << " " << this
+	     << " waiting for " << num_running.read() << " aios and/or "
+	     << num_reading.read() << " readers to complete" << dendl;
+    cond.Wait(lock);
+  }
+  num_waiting.dec();
+  dout(20) << __func__ << " " << this << " done" << dendl;
+}
+
 BlockDevice *BlockDevice::create(const string& type, aio_callback_t cb, void *cbpriv)
 {
   if (type == "kernel") {
diff --git a/src/os/bluestore/BlockDevice.h b/src/os/bluestore/BlockDevice.h
index 59fbbfb8c423f..b668048e6243c 100644
--- a/src/os/bluestore/BlockDevice.h
+++ b/src/os/bluestore/BlockDevice.h
@@ -17,6 +17,8 @@
 #ifndef CEPH_OS_BLUESTORE_BLOCKDEVICE_H
 #define CEPH_OS_BLUESTORE_BLOCKDEVICE_H
 
+#include "os/fs/FS.h"
+
 /// track in-flight io
 struct IOContext {
   void *priv;
@@ -52,10 +54,11 @@ struct IOContext {
 
 class BlockDevice {
 public:
+  virtual ~BlockDevice() {}
   typedef void (*aio_callback_t)(void *handle, void *aio);
 
-  static BlockDevice *create(CephContext *cct, const string& type,
-                             aio_callback_t cb, void *cbpriv);
+  static BlockDevice *create(
+      const string& type, aio_callback_t cb, void *cbpriv);
 
   virtual void aio_submit(IOContext *ioc) = 0;
 
diff --git a/src/os/bluestore/NVMEDevice.h b/src/os/bluestore/NVMEDevice.h
index 1d529bb0645ca..81a67621288cc 100644
--- a/src/os/bluestore/NVMEDevice.h
+++ b/src/os/bluestore/NVMEDevice.h
@@ -17,8 +17,6 @@
 #ifndef CEPH_OS_BLUESTORE_NVMEDEVICE
 #define CEPH_OS_BLUESTORE_NVMEDEVICE
 
-#include "include/interval_set.h"
-
 #include "BlockDevice.h"
 
 class NVMEDevice : public BlockDevice {
-- 
2.39.5