bluestore/NVMEDevice: fix compiling error

Signed-off-by: xie xingguo <xie.xingguo@zte.com.cn>

diff --git a/src/os/bluestore/NVMEDevice.cc b/src/os/bluestore/NVMEDevice.cc
index 9d0eb63a60389528d889bde6900d8ab51acd2935..a1b2c68146ffc7f335dbf909f108db81e1f45f89 100644 (file)
--- a/src/os/bluestore/NVMEDevice.cc
+++ b/src/os/bluestore/NVMEDevice.cc
@@ -511,7 +511,7 @@ void io_complete(void *t, const struct nvme_completion *completion)
   Task *task = static_cast<Task*>(t);
   IOContext *ctx = task->ctx;
   SharedDriverData *driver = task->device->get_driver();
-  driver->inflight_ops.dec();
+  int left = driver->inflight_ops.dec();
   utime_t lat = ceph_clock_now(g_ceph_context);
   lat -= task->start;
   if (task->command == IOCommand::WRITE_COMMAND) {