From: Qiaowei Ren <qiaowei.ren@intel.com>
Date: Tue, 19 Jun 2018 00:38:42 +0000 (+0800)
Subject: compressor: building error for QAT decompress
X-Git-Tag: v14.0.1~1071^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=3fedae59ede3316d1f3c155236247655fc0809f0;p=ceph.git

compressor: building error for QAT decompress

The parameter of decompress changes from 'bufferlist::iterator' to
'bufferlist::const_iterator', but chis change miss class QatAccel,
and so the building could not be successful for QAT environment.

This patch fix this error with '-DWITH_QATZIP=ON'.

Signed-off-by: Qiaowei Ren <qiaowei.ren@intel.com>
---

diff --git a/src/compressor/QatAccel.cc b/src/compressor/QatAccel.cc
index fe2ed4a56367..7701678c45b2 100644
--- a/src/compressor/QatAccel.cc
+++ b/src/compressor/QatAccel.cc
@@ -76,11 +76,11 @@ int QatAccel::compress(const bufferlist &in, bufferlist &out) {
 }
 
 int QatAccel::decompress(const bufferlist &in, bufferlist &out) {
-  bufferlist::iterator i = const_cast<bufferlist&>(in).begin();
+  auto i = in.begin();
   return decompress(i, in.length(), out);
 }
 
-int QatAccel::decompress(bufferlist::iterator &p,
+int QatAccel::decompress(bufferlist::const_iterator &p,
 		 size_t compressed_len,
 		 bufferlist &dst) {
   unsigned int ratio_idx = 0;
diff --git a/src/compressor/QatAccel.h b/src/compressor/QatAccel.h
index b64f7845c095..295b180eb217 100644
--- a/src/compressor/QatAccel.h
+++ b/src/compressor/QatAccel.h
@@ -29,7 +29,7 @@ class QatAccel {
 
   int compress(const bufferlist &in, bufferlist &out);
   int decompress(const bufferlist &in, bufferlist &out);
-  int decompress(bufferlist::iterator &p, size_t compressed_len, bufferlist &dst);
+  int decompress(bufferlist::const_iterator &p, size_t compressed_len, bufferlist &dst);
 };
 
 #endif