1 files changed, 75 insertions, 0 deletions
diff --git a/src/librbd/cache/pwl/ssd/LogEntry.h b/src/librbd/cache/pwl/ssd/LogEntry.h
new file mode 100644
index 000000000..8e26f661f
--- /dev/null
+++ b/src/librbd/cache/pwl/ssd/LogEntry.h
@@ -0,0 +1,75 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// // vim: ts=8 sw=2 smarttab
+
+#ifndef CEPH_LIBRBD_CACHE_PWL_SSD_LOG_ENTRY_H
+#define CEPH_LIBRBD_CACHE_PWL_SSD_LOG_ENTRY_H
+
+#include "librbd/cache/pwl/LogEntry.h"
+
+namespace librbd {
+namespace cache {
+class ImageWritebackInterface;
+namespace pwl {
+namespace ssd {
+
+class WriteLogEntry : public pwl::WriteLogEntry {
+public:
+  WriteLogEntry(
+      std::shared_ptr<SyncPointLogEntry> sync_point_entry,
+      uint64_t image_offset_bytes, uint64_t write_bytes)
+    : pwl::WriteLogEntry(sync_point_entry, image_offset_bytes, write_bytes) {}
+  WriteLogEntry(
+      uint64_t image_offset_bytes, uint64_t write_bytes)
+    : pwl::WriteLogEntry(image_offset_bytes, write_bytes) {}
+  WriteLogEntry(
+      std::shared_ptr<SyncPointLogEntry> sync_point_entry,
+      uint64_t image_offset_bytes, uint64_t write_bytes,
+      uint32_t data_length)
+    : pwl::WriteLogEntry(sync_point_entry, image_offset_bytes,
+                         write_bytes, data_length) {}
+  WriteLogEntry(
+      uint64_t image_offset_bytes, uint64_t write_bytes,
+      uint32_t data_length)
+    : pwl::WriteLogEntry(image_offset_bytes, write_bytes, data_length) {}
+  ~WriteLogEntry() {}
+  WriteLogEntry(const WriteLogEntry&) = delete;
+  WriteLogEntry &operator=(const WriteLogEntry&) = delete;
+  void writeback_bl(librbd::cache::ImageWritebackInterface &image_writeback,
+                 Context *ctx, ceph::bufferlist &&bl) override;
+  void init_cache_bl(bufferlist &src_bl, uint64_t off, uint64_t len) override;
+  buffer::list &get_cache_bl() override;
+  void copy_cache_bl(bufferlist *out) override;
+  void remove_cache_bl() override;
+  unsigned int get_aligned_data_size() const override;
+  void inc_bl_refs() { bl_refs++; };
+  void dec_bl_refs() { bl_refs--; };
+  unsigned int reader_count() const override {
+    return bl_refs;
+  }
+};
+
+class WriteSameLogEntry : public WriteLogEntry {
+public:
+  WriteSameLogEntry(
+      std::shared_ptr<SyncPointLogEntry> sync_point_entry,
+      uint64_t image_offset_bytes, uint64_t write_bytes,
+      uint32_t data_length)
+    : WriteLogEntry(sync_point_entry, image_offset_bytes,
+                        write_bytes, data_length) {}
+  WriteSameLogEntry(
+      uint64_t image_offset_bytes, uint64_t write_bytes,
+      uint32_t data_length)
+    : WriteLogEntry(image_offset_bytes, write_bytes, data_length) {}
+  ~WriteSameLogEntry() {}
+  WriteSameLogEntry(const WriteSameLogEntry&) = delete;
+  WriteSameLogEntry &operator=(const WriteSameLogEntry&) = delete;
+  void writeback_bl(librbd::cache::ImageWritebackInterface &image_writeback,
+                 Context *ctx, ceph::bufferlist &&bl) override;
+};
+
+} // namespace ssd
+} // namespace pwl
+} // namespace cache
+} // namespace librbd
+
+#endif // CEPH_LIBRBD_CACHE_PWL_SSD_LOG_ENTRY_H