fix warning of unused direct io helper functions

Summary:
add build guard
Closes https://github.com/facebook/rocksdb/pull/1771

Differential Revision: D4410779

Pulled By: siying

fbshipit-source-id: 3796c30
This commit is contained in:
Aaron Gao 2017-01-12 12:26:39 -08:00 committed by Facebook Github Bot
parent dc2584eea0
commit d4e07a8459

View File

@ -50,6 +50,7 @@ int Fadvise(int fd, off_t offset, size_t len, int advice) {
/* /*
* DirectIOHelper * DirectIOHelper
*/ */
#ifndef NDEBUG
namespace { namespace {
const size_t kSectorSize = 512; const size_t kSectorSize = 512;
#ifdef OS_LINUX #ifdef OS_LINUX
@ -66,6 +67,7 @@ static bool IsPageAligned(const void* ptr) {
} }
} }
#endif
/* /*
* PosixSequentialFile * PosixSequentialFile