bluestore/NVMEDevice: remove unused local variables

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 aea5b7ac599651a73d1a80459bebd6bd91cd7c0c..bd2a686d5574dd6ec494b5db136dfc8714242c07 100644 (file)
--- a/src/os/bluestore/NVMEDevice.cc
+++ b/src/os/bluestore/NVMEDevice.cc
@@ -777,7 +777,6 @@ int NVMEDevice::aio_zero(
     len -= t.length();
     bl.claim_append(t);
   }
-  bufferlist foo;
   // note: this works with aio only becaues the actual buffer is
   // this->zeros, which is page-aligned and never freed.
   return aio_write(off, bl, ioc, false);