From f64ae8a28f169ab9036c9f85350c7fefbe437ec0 Mon Sep 17 00:00:00 2001
From: Michal Jarzabek <stiopa@gmail.com>
Date: Wed, 26 Oct 2016 22:13:48 +0100
Subject: [PATCH] mds/MDLog: add const to member functions

Signed-off-by: Michal Jarzabek <stiopa@gmail.com>
---
 src/mds/MDLog.cc |  6 +++---
 src/mds/MDLog.h  | 18 +++++++++---------
 2 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/src/mds/MDLog.cc b/src/mds/MDLog.cc
index de7806dea7000..1938a74481480 100644
--- a/src/mds/MDLog.cc
+++ b/src/mds/MDLog.cc
@@ -125,17 +125,17 @@ void MDLog::write_head(MDSInternalContextBase *c)
   journaler->write_head(fin);
 }
 
-uint64_t MDLog::get_read_pos()
+uint64_t MDLog::get_read_pos() const
 {
   return journaler->get_read_pos(); 
 }
 
-uint64_t MDLog::get_write_pos()
+uint64_t MDLog::get_write_pos() const
 {
   return journaler->get_write_pos(); 
 }
 
-uint64_t MDLog::get_safe_pos()
+uint64_t MDLog::get_safe_pos() const
 {
   return journaler->get_write_safe_pos(); 
 }
diff --git a/src/mds/MDLog.h b/src/mds/MDLog.h
index e7658534117cf..eb1c6b41dc75f 100644
--- a/src/mds/MDLog.h
+++ b/src/mds/MDLog.h
@@ -161,7 +161,7 @@ class MDLog {
   friend class ESubtreeMap;
   friend class MDCache;
 
-  uint64_t get_last_segment_seq() {
+  uint64_t get_last_segment_seq() const {
     assert(!segments.empty());
     return segments.rbegin()->first;
   }
@@ -237,7 +237,7 @@ class MDLog {
     return NULL;
   }
 
-  bool have_any_segments() {
+  bool have_any_segments() const {
     return !segments.empty();
   }
 
@@ -246,13 +246,13 @@ class MDLog {
   size_t get_num_events() const { return num_events; }
   size_t get_num_segments() const { return segments.size(); }
 
-  uint64_t get_read_pos();
-  uint64_t get_write_pos();
-  uint64_t get_safe_pos();
+  uint64_t get_read_pos() const;
+  uint64_t get_write_pos() const;
+  uint64_t get_safe_pos() const;
   Journaler *get_journaler() { return journaler; }
-  bool empty() { return segments.empty(); }
+  bool empty() const { return segments.empty(); }
 
-  bool is_capped() { return capped; }
+  bool is_capped() const { return capped; }
   void cap();
 
   void kick_submitter();
@@ -280,11 +280,11 @@ class MDLog {
     _submit_entry(e, c);
     submit_cond.Signal();
   }
-  bool entry_is_open() { return cur_event != NULL; }
+  bool entry_is_open() const { return cur_event != NULL; }
 
   void wait_for_safe( MDSInternalContextBase *c );
   void flush();
-  bool is_flushed() {
+  bool is_flushed() const {
     return unflushed == 0;
   }