update sources to ceph Nautilus 14.2.1

[ceph.git] / ceph / src / rocksdb / db / compaction.h

diff --git a/ceph/src/rocksdb/db/compaction.h b/ceph/src/rocksdb/db/compaction.h
index f80c5af8240d23921b0513f3f6fba491531af005..f1d787716960b284ad6cbbd09bbdfe8fb157195a 100644 (file)
--- a/ceph/src/rocksdb/db/compaction.h
+++ b/ceph/src/rocksdb/db/compaction.h
@@ -1,7 +1,7 @@
 //  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
-//  This source code is licensed under the BSD-style license found in the
-//  LICENSE file in the root directory of this source tree. An additional grant
-//  of patent rights can be found in the PATENTS file in the same directory.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
 //
 // Copyright (c) 2011 The LevelDB Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
@@ -40,6 +40,7 @@ class Compaction {
              std::vector<CompactionInputFiles> inputs, int output_level,
              uint64_t target_file_size, uint64_t max_compaction_bytes,
              uint32_t output_path_id, CompressionType compression,
+             CompressionOptions compression_opts, uint32_t max_subcompactions,
              std::vector<FileMetaData*> grandparents,
              bool manual_compaction = false, double score = -1,
              bool deletion_compaction = false,
@@ -99,7 +100,8 @@ class Compaction {
   // input level.
   // REQUIREMENT: "compaction_input_level" must be >= 0 and
   //              < "input_levels()"
-  const std::vector<FileMetaData*>* inputs(size_t compaction_input_level) {
+  const std::vector<FileMetaData*>* inputs(
+      size_t compaction_input_level) const {
     assert(compaction_input_level < inputs_.size());
     return &inputs_[compaction_input_level].files;
   }
@@ -117,6 +119,11 @@ class Compaction {
   // What compression for output
   CompressionType output_compression() const { return output_compression_; }
 
+  // What compression options for output
+  CompressionOptions output_compression_opts() const {
+    return output_compression_opts_;
+  }
+
   // Whether need to write output file to second DB path.
   uint32_t output_path_id() const { return output_path_id_; }
 
@@ -232,6 +239,8 @@ class Compaction {
 
   Slice GetLargestUserKey() const { return largest_user_key_; }
 
+  int GetInputBaseLevel() const;
+
   CompactionReason compaction_reason() { return compaction_reason_; }
 
   const std::vector<FileMetaData*>& grandparents() const {
@@ -240,6 +249,10 @@ class Compaction {
 
   uint64_t max_compaction_bytes() const { return max_compaction_bytes_; }
 
+  uint32_t max_subcompactions() const { return max_subcompactions_; }
+
+  uint64_t MaxInputFileCreationTime() const;
+
  private:
   // mark (or clear) all files that are being compacted
   void MarkFilesBeingCompacted(bool mark_as_compacted);
@@ -264,6 +277,7 @@ class Compaction {
   const int output_level_;  // levels to which output files are stored
   uint64_t max_output_file_size_;
   uint64_t max_compaction_bytes_;
+  uint32_t max_subcompactions_;
   const ImmutableCFOptions immutable_cf_options_;
   const MutableCFOptions mutable_cf_options_;
   Version* input_version_;
@@ -274,6 +288,7 @@ class Compaction {
 
   const uint32_t output_path_id_;
   CompressionType output_compression_;
+  CompressionOptions output_compression_opts_;
   // If true, then the comaction can be done by simply deleting input files.
   const bool deletion_compaction_;