From: dingdangzhang <boqian.zy@alibaba-inc.com>
Date: Wed, 26 Jul 2017 12:05:01 +0000 (+0800)
Subject:  bluestore/BlueFS: pass string as const ref
X-Git-Tag: v12.1.2~88^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F16600%2Fhead;p=ceph.git

 bluestore/BlueFS: pass string as const ref

Signed-off-by: dingdangzhang <boqian.zy@alibaba-inc.com>
---

diff --git a/src/os/bluestore/BlueFS.cc b/src/os/bluestore/BlueFS.cc
index 36f0b3cb04987..ed94e60067c23 100644
--- a/src/os/bluestore/BlueFS.cc
+++ b/src/os/bluestore/BlueFS.cc
@@ -129,7 +129,7 @@ void BlueFS::_update_logger_stats()
   }
 }
 
-int BlueFS::add_block_device(unsigned id, string path)
+int BlueFS::add_block_device(unsigned id, const string& path)
 {
   dout(10) << __func__ << " bdev " << id << " path " << path << dendl;
   assert(id < bdev.size());
diff --git a/src/os/bluestore/BlueFS.h b/src/os/bluestore/BlueFS.h
index 7229355a10dfe..bb14ffc3697d0 100644
--- a/src/os/bluestore/BlueFS.h
+++ b/src/os/bluestore/BlueFS.h
@@ -384,7 +384,7 @@ public:
   /// sync any uncommitted state to disk
   void sync_metadata();
 
-  int add_block_device(unsigned bdev, string path);
+  int add_block_device(unsigned bdev, const string& path);
   bool bdev_support_label(unsigned id);
   uint64_t get_block_device_size(unsigned bdev);