BlockDevice: fix result code overflow

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

diff --git a/src/os/bluestore/BlockDevice.h b/src/os/bluestore/BlockDevice.h
index 484ecbe442e6b81542328e515d6711f33b0e66f8..955f77c3ca00d97cc53bb9897ba7ccf94c2b0605 100644 (file)
--- a/src/os/bluestore/BlockDevice.h
+++ b/src/os/bluestore/BlockDevice.h
@@ -52,7 +52,7 @@ struct IOContext {
 
   bool has_aios() {
     Mutex::Locker l(lock);
-    return num_pending.read() + num_running.read();
+    return num_pending.read() || num_running.read();
   }
 
   void aio_wait();