From 513e49b396f1c4a2a1d6e264af90535c58339904 Mon Sep 17 00:00:00 2001
From: Kefu Chai <kchai@redhat.com>
Date: Sat, 29 Jun 2019 21:34:39 +0800
Subject: [PATCH] common/dout.h: extract log level mapping out

so we can reuse it.

Signed-off-by: Kefu Chai <kchai@redhat.com>
---
 src/common/dout.h        | 14 ++------------
 src/crimson/common/log.h | 15 +++++++++++++++
 2 files changed, 17 insertions(+), 12 deletions(-)

diff --git a/src/common/dout.h b/src/common/dout.h
index 4fec750f57c21..415678e4992d6 100644
--- a/src/common/dout.h
+++ b/src/common/dout.h
@@ -127,18 +127,8 @@ struct is_dynamic<dynamic_marker_t<T>> : public std::true_type {};
       std::ostream* _dout = &_out;
 #define dendl_impl                              \
      "";                                        \
-      const std::string _s = _out.str();        \
-      if (_lv < 0) {                            \
-        _logger.error(_s.c_str());              \
-      } else if (_lv < 1) {                     \
-        _logger.warn(_s.c_str());               \
-      } else if (_lv < 5) {                     \
-        _logger.info(_s.c_str());               \
-      } else if (_lv <= 20) {                    \
-        _logger.debug(_s.c_str());              \
-      } else {                                  \
-        _logger.trace(_s.c_str());              \
-      }                                         \
+      _logger.log(ceph::to_log_level(_lv),      \
+                  _out.str().c_str());          \
     }                                           \
   } while (0)
 #else
diff --git a/src/crimson/common/log.h b/src/crimson/common/log.h
index 64ff33654ed43..9f1949fd25414 100644
--- a/src/crimson/common/log.h
+++ b/src/crimson/common/log.h
@@ -1,6 +1,21 @@
+#pragma once
+
 #include <seastar/util/log.hh>
 #include "common/subsys_types.h"
 
 namespace ceph {
 seastar::logger& get_logger(int subsys);
+static inline seastar::log_level to_log_level(int level) {
+  if (level < 0) {
+    return seastar::log_level::error;
+  } else if (level < 1) {
+    return seastar::log_level::warn;
+  } else if (level < 5) {
+    return seastar::log_level::info;
+  } else if (level <= 20) {
+    return seastar::log_level::debug;
+  } else {
+    return seastar::log_level::trace;
+  }
+}
 }
-- 
2.39.5