From: Kefu Chai <kchai@redhat.com>
Date: Mon, 27 Apr 2020 03:28:05 +0000 (+0800)
Subject: Merge pull request #33790 from bstillwell/add_conf_option_zstd_compression_level
X-Git-Tag: v16.1.0~2500
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=6ad027c63ec1fca1dae79bb6e51346adb15e3e23;p=ceph.git

Merge pull request #33790 from bstillwell/add_conf_option_zstd_compression_level

compressor: Add a config option to specify Zstd compression level

Reviewed-by: Kefu Chai <kchai@redhat.com>
---

6ad027c63ec1fca1dae79bb6e51346adb15e3e23
diff --cc src/compressor/zstd/ZstdCompressor.h
index efbb6a5ea2fd,27812f0a834d..b59f3314fb47
--- a/src/compressor/zstd/ZstdCompressor.h
+++ b/src/compressor/zstd/ZstdCompressor.h
@@@ -22,15 -22,13 +22,13 @@@
  #include "include/encoding.h"
  #include "compressor/Compressor.h"
  
- #define COMPRESSION_LEVEL 5
- 
  class ZstdCompressor : public Compressor {
   public:
-   ZstdCompressor() : Compressor(COMP_ALG_ZSTD, "zstd") {}
+   ZstdCompressor(CephContext *cct) : Compressor(COMP_ALG_ZSTD, "zstd"), cct(cct) {}
  
 -  int compress(const bufferlist &src, bufferlist &dst) override {
 +  int compress(const ceph::buffer::list &src, ceph::buffer::list &dst) override {
      ZSTD_CStream *s = ZSTD_createCStream();
-     ZSTD_initCStream_srcSize(s, COMPRESSION_LEVEL, src.length());
+     ZSTD_initCStream_srcSize(s, cct->_conf->compressor_zstd_level, src.length());
      auto p = src.begin();
      size_t left = src.length();