From: xie xingguo <xie.xingguo@zte.com.cn>
Date: Thu, 3 Nov 2016 03:18:25 +0000 (+0800)
Subject: os/bluestore: drop redundant boundary check
X-Git-Tag: v11.1.0~439^2~2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=69b8e4d55a6f7a831d1bc1210b3ead0d80fb8ce2;p=ceph.git

os/bluestore: drop redundant boundary check

As we have done the sanity check ahead.

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

diff --git a/src/os/bluestore/BlueStore.cc b/src/os/bluestore/BlueStore.cc
index 11ecbf5d35ca..78c0b5ea7371 100644
--- a/src/os/bluestore/BlueStore.cc
+++ b/src/os/bluestore/BlueStore.cc
@@ -549,10 +549,7 @@ void BlueStore::Cache::trim(
     return;
   }
 
-  uint64_t need_to_free = 0;
-  if (current > target_bytes) {
-    need_to_free = current - target_bytes;
-  }
+  uint64_t need_to_free = current - target_bytes;
   uint64_t free_buffer = 0;
   uint64_t free_meta = 0;
   if (current_buffer > target_buffer) {