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// -*- 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
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