rename options_ to db_options_ in DBImpl to avoid confusion

Summary: as title

Test Plan: make release

Reviewers: sdong, igor

Reviewed By: igor

Subscribers: leveldb

Differential Revision: https://reviews.facebook.net/D22935

db/db_filesnapshot.cc

@@ -32,9 +32,9 @@ Status DBImpl::DisableFileDeletions() {
   MutexLock l(&mutex_);
   ++disable_delete_obsolete_files_;
   if (disable_delete_obsolete_files_ == 1) {
-    Log(options_.info_log, "File Deletions Disabled");
+    Log(db_options_.info_log, "File Deletions Disabled");
   } else {
-    Log(options_.info_log,
+    Log(db_options_.info_log,
         "File Deletions Disabled, but already disabled. Counter: %d",
         disable_delete_obsolete_files_);
   }
@@ -53,19 +53,19 @@ Status DBImpl::EnableFileDeletions(bool force) {
       --disable_delete_obsolete_files_;
     }
     if (disable_delete_obsolete_files_ == 0)  {
-      Log(options_.info_log, "File Deletions Enabled");
+      Log(db_options_.info_log, "File Deletions Enabled");
       should_purge_files = true;
       FindObsoleteFiles(deletion_state, true);
     } else {
-      Log(options_.info_log,
+      Log(db_options_.info_log,
           "File Deletions Enable, but not really enabled. Counter: %d",
           disable_delete_obsolete_files_);
     }
   }
   if (should_purge_files)  {
     PurgeObsoleteFiles(deletion_state);
   }
-  LogFlush(options_.info_log);
+  LogFlush(db_options_.info_log);
   return Status::OK();
 }
 
@@ -98,7 +98,7 @@ Status DBImpl::GetLiveFiles(std::vector<std::string>& ret,
 
     if (!status.ok()) {
       mutex_.Unlock();
-      Log(options_.info_log, "Cannot Flush data %s\n",
+      Log(db_options_.info_log, "Cannot Flush data %s\n",
           status.ToString().c_str());
       return status;
     }
@@ -136,7 +136,7 @@ Status DBImpl::GetSortedWalFiles(VectorLogPtr& files) {
   Status s;
   // list wal files in main db dir.
   VectorLogPtr logs;
-  s = GetSortedWalsOfType(options_.wal_dir, logs, kAliveLogFile);
+  s = GetSortedWalsOfType(db_options_.wal_dir, logs, kAliveLogFile);
   if (!s.ok()) {
     return s;
   }
@@ -149,7 +149,7 @@ Status DBImpl::GetSortedWalFiles(VectorLogPtr& files) {
 
   files.clear();
   // list wal files in archive dir.
-  std::string archivedir = ArchivalDirectory(options_.wal_dir);
+  std::string archivedir = ArchivalDirectory(db_options_.wal_dir);
   if (env_->FileExists(archivedir)) {
     s = GetSortedWalsOfType(archivedir, files, kArchivedLogFile);
     if (!s.ok()) {
@@ -160,7 +160,7 @@ Status DBImpl::GetSortedWalFiles(VectorLogPtr& files) {
   uint64_t latest_archived_log_number = 0;
   if (!files.empty()) {
     latest_archived_log_number = files.back()->LogNumber();
-    Log(options_.info_log, "Latest Archived log: %" PRIu64,
+    Log(db_options_.info_log, "Latest Archived log: %" PRIu64,
         latest_archived_log_number);
   }
 
@@ -173,7 +173,7 @@ Status DBImpl::GetSortedWalFiles(VectorLogPtr& files) {
       // same log in both db dir and archived dir. Simply
       // ignore the one in db dir. Note that, if we read
       // archived dir first, we would have missed the log file.
-      Log(options_.info_log, "%s already moved to archive",
+      Log(db_options_.info_log, "%s already moved to archive",
           log->PathName().c_str());
     }
   }