Adjust for newer versions of RocksDB. Taken from upstream: https://github.com/ceph/ceph/pull/42815 https://github.com/ceph/ceph/commit/ff7f192ea3cf88ca1098bcf9396ff4f8ed1e8792.diff diff --git a/src/kv/rocksdb_cache/BinnedLRUCache.cc b/src/kv/rocksdb_cache/BinnedLRUCache.cc index 0d657883e92de..47c56e2ddd769 100644 --- a/src/kv/rocksdb_cache/BinnedLRUCache.cc +++ b/src/kv/rocksdb_cache/BinnedLRUCache.cc @@ -151,13 +151,20 @@ void BinnedLRUCacheShard::EraseUnRefEntries() { } } -void BinnedLRUCacheShard::ApplyToAllCacheEntries(void (*callback)(void*, size_t), - bool thread_safe) { +void BinnedLRUCacheShard::ApplyToAllCacheEntries( + const std::function& callback, + bool thread_safe) +{ if (thread_safe) { mutex_.lock(); } table_.ApplyToAllCacheEntries( - [callback](BinnedLRUHandle* h) { callback(h->value, h->charge); }); + [callback](BinnedLRUHandle* h) { + callback(h->key(), h->value, h->charge, h->deleter); + }); if (thread_safe) { mutex_.unlock(); } @@ -345,7 +352,7 @@ bool BinnedLRUCacheShard::Release(rocksdb::Cache::Handle* handle, bool force_era rocksdb::Status BinnedLRUCacheShard::Insert(const rocksdb::Slice& key, uint32_t hash, void* value, size_t charge, - void (*deleter)(const rocksdb::Slice& key, void* value), + DeleterFn deleter, rocksdb::Cache::Handle** handle, rocksdb::Cache::Priority priority) { auto e = new BinnedLRUHandle(); rocksdb::Status s; @@ -464,6 +471,12 @@ std::string BinnedLRUCacheShard::GetPrintableOptions() const { return std::string(buffer); } +DeleterFn BinnedLRUCacheShard::GetDeleter(rocksdb::Cache::Handle* h) const +{ + auto* handle = reinterpret_cast(h); + return handle->deleter; +} + BinnedLRUCache::BinnedLRUCache(CephContext *c, size_t capacity, int num_shard_bits, @@ -519,6 +532,13 @@ void BinnedLRUCache::DisownData() { #endif // !__SANITIZE_ADDRESS__ } +#if (ROCKSDB_MAJOR >= 6 && ROCKSDB_MINOR >= 22) +DeleterFn BinnedLRUCache::GetDeleter(Handle* handle) const +{ + return reinterpret_cast(handle)->deleter; +} +#endif + size_t BinnedLRUCache::TEST_GetLRUSize() { size_t lru_size_of_all_shards = 0; for (int i = 0; i < num_shards_; i++) { diff --git a/src/kv/rocksdb_cache/BinnedLRUCache.h b/src/kv/rocksdb_cache/BinnedLRUCache.h index 85608be0e5734..88bf4502e8927 100644 --- a/src/kv/rocksdb_cache/BinnedLRUCache.h +++ b/src/kv/rocksdb_cache/BinnedLRUCache.h @@ -56,7 +56,7 @@ std::shared_ptr NewBinnedLRUCache( struct BinnedLRUHandle { void* value; - void (*deleter)(const rocksdb::Slice&, void* value); + DeleterFn deleter; BinnedLRUHandle* next_hash; BinnedLRUHandle* next; BinnedLRUHandle* prev; @@ -189,7 +189,7 @@ class alignas(CACHE_LINE_SIZE) BinnedLRUCacheShard : public CacheShard { // Like Cache methods, but with an extra "hash" parameter. virtual rocksdb::Status Insert(const rocksdb::Slice& key, uint32_t hash, void* value, size_t charge, - void (*deleter)(const rocksdb::Slice& key, void* value), + DeleterFn deleter, rocksdb::Cache::Handle** handle, rocksdb::Cache::Priority priority) override; virtual rocksdb::Cache::Handle* Lookup(const rocksdb::Slice& key, uint32_t hash) override; @@ -205,13 +205,19 @@ class alignas(CACHE_LINE_SIZE) BinnedLRUCacheShard : public CacheShard { virtual size_t GetUsage() const override; virtual size_t GetPinnedUsage() const override; - virtual void ApplyToAllCacheEntries(void (*callback)(void*, size_t), - bool thread_safe) override; + virtual void ApplyToAllCacheEntries( + const std::function& callback, + bool thread_safe) override; virtual void EraseUnRefEntries() override; virtual std::string GetPrintableOptions() const override; + virtual DeleterFn GetDeleter(rocksdb::Cache::Handle* handle) const override; + void TEST_GetLRUList(BinnedLRUHandle** lru, BinnedLRUHandle** lru_low_pri); // Retrieves number of elements in LRU, for unit test purpose only @@ -304,7 +310,9 @@ class BinnedLRUCache : public ShardedCache { virtual size_t GetCharge(Handle* handle) const override; virtual uint32_t GetHash(Handle* handle) const override; virtual void DisownData() override; - +#if (ROCKSDB_MAJOR >= 6 && ROCKSDB_MINOR >= 22) + virtual DeleterFn GetDeleter(Handle* handle) const override; +#endif // Retrieves number of elements in LRU, for unit test purpose only size_t TEST_GetLRUSize(); // Sets the high pri pool ratio diff --git a/src/kv/rocksdb_cache/ShardedCache.cc b/src/kv/rocksdb_cache/ShardedCache.cc index 367140a94d8be..6cbd89ad6472c 100644 --- a/src/kv/rocksdb_cache/ShardedCache.cc +++ b/src/kv/rocksdb_cache/ShardedCache.cc @@ -44,7 +44,7 @@ void ShardedCache::SetStrictCapacityLimit(bool strict_capacity_limit) { } rocksdb::Status ShardedCache::Insert(const rocksdb::Slice& key, void* value, size_t charge, - void (*deleter)(const rocksdb::Slice& key, void* value), + DeleterFn deleter, rocksdb::Cache::Handle** handle, Priority priority) { uint32_t hash = HashSlice(key); return GetShard(Shard(hash)) @@ -109,13 +109,36 @@ size_t ShardedCache::GetPinnedUsage() const { return usage; } +#if (ROCKSDB_MAJOR >= 6 && ROCKSDB_MINOR >= 22) +DeleterFn ShardedCache::GetDeleter(Handle* handle) const +{ + uint32_t hash = GetHash(handle); + return GetShard(Shard(hash))->GetDeleter(handle); +} + +void ShardedCache::ApplyToAllEntries( + const std::function& callback, + const ApplyToAllEntriesOptions& opts) +{ + int num_shards = 1 << num_shard_bits_; + for (int s = 0; s < num_shards; s++) { + GetShard(s)->ApplyToAllCacheEntries(callback, true /* thread_safe */); + } +} +#else void ShardedCache::ApplyToAllCacheEntries(void (*callback)(void*, size_t), bool thread_safe) { int num_shards = 1 << num_shard_bits_; for (int s = 0; s < num_shards; s++) { - GetShard(s)->ApplyToAllCacheEntries(callback, thread_safe); + GetShard(s)->ApplyToAllCacheEntries( + [callback](const rocksdb::Slice&, void* value, size_t charge, DeleterFn) { + callback(value, charge); + }, + thread_safe); } } +#endif void ShardedCache::EraseUnRefEntries() { int num_shards = 1 << num_shard_bits_; @@ -131,7 +154,7 @@ std::string ShardedCache::GetPrintableOptions() const { char buffer[kBufferSize]; { std::lock_guard l(capacity_mutex_); - snprintf(buffer, kBufferSize, " capacity : %" ROCKSDB_PRIszt "\n", + snprintf(buffer, kBufferSize, " capacity : %zu\n", capacity_); ret.append(buffer); snprintf(buffer, kBufferSize, " num_shard_bits : %d\n", num_shard_bits_); diff --git a/src/kv/rocksdb_cache/ShardedCache.h b/src/kv/rocksdb_cache/ShardedCache.h index 4d64893ab1c7b..f98421a09a33a 100644 --- a/src/kv/rocksdb_cache/ShardedCache.h +++ b/src/kv/rocksdb_cache/ShardedCache.h @@ -14,6 +14,7 @@ #include #include +#include "rocksdb/version.h" #include "rocksdb/cache.h" #include "include/ceph_hash.h" #include "common/PriorityCache.h" @@ -22,10 +23,11 @@ #ifndef CACHE_LINE_SIZE #define CACHE_LINE_SIZE 64 // XXX arch-specific define #endif -#define ROCKSDB_PRIszt "zu" namespace rocksdb_cache { +using DeleterFn = void (*)(const rocksdb::Slice& key, void* value); + // Single cache shard interface. class CacheShard { public: @@ -34,7 +36,7 @@ class CacheShard { virtual rocksdb::Status Insert(const rocksdb::Slice& key, uint32_t hash, void* value, size_t charge, - void (*deleter)(const rocksdb::Slice& key, void* value), + DeleterFn deleter, rocksdb::Cache::Handle** handle, rocksdb::Cache::Priority priority) = 0; virtual rocksdb::Cache::Handle* Lookup(const rocksdb::Slice& key, uint32_t hash) = 0; virtual bool Ref(rocksdb::Cache::Handle* handle) = 0; @@ -44,10 +46,15 @@ class CacheShard { virtual void SetStrictCapacityLimit(bool strict_capacity_limit) = 0; virtual size_t GetUsage() const = 0; virtual size_t GetPinnedUsage() const = 0; - virtual void ApplyToAllCacheEntries(void (*callback)(void*, size_t), - bool thread_safe) = 0; + virtual void ApplyToAllCacheEntries( + const std::function& callback, + bool thread_safe) = 0; virtual void EraseUnRefEntries() = 0; virtual std::string GetPrintableOptions() const { return ""; } + virtual DeleterFn GetDeleter(rocksdb::Cache::Handle* handle) const = 0; }; // Generic cache interface which shards cache by hash of keys. 2^num_shard_bits @@ -57,34 +64,43 @@ class ShardedCache : public rocksdb::Cache, public PriorityCache::PriCache { public: ShardedCache(size_t capacity, int num_shard_bits, bool strict_capacity_limit); virtual ~ShardedCache() = default; + // rocksdb::Cache virtual const char* Name() const override = 0; - virtual CacheShard* GetShard(int shard) = 0; - virtual const CacheShard* GetShard(int shard) const = 0; - virtual void* Value(Handle* handle) override = 0; - virtual size_t GetCharge(Handle* handle) const = 0; - virtual uint32_t GetHash(Handle* handle) const = 0; - virtual void DisownData() override = 0; - - virtual void SetCapacity(size_t capacity) override; - virtual void SetStrictCapacityLimit(bool strict_capacity_limit) override; - virtual rocksdb::Status Insert(const rocksdb::Slice& key, void* value, size_t charge, - void (*deleter)(const rocksdb::Slice& key, void* value), + DeleterFn, rocksdb::Cache::Handle** handle, Priority priority) override; virtual rocksdb::Cache::Handle* Lookup(const rocksdb::Slice& key, rocksdb::Statistics* stats) override; virtual bool Ref(rocksdb::Cache::Handle* handle) override; virtual bool Release(rocksdb::Cache::Handle* handle, bool force_erase = false) override; + virtual void* Value(Handle* handle) override = 0; virtual void Erase(const rocksdb::Slice& key) override; virtual uint64_t NewId() override; - virtual size_t GetCapacity() const override; + virtual void SetCapacity(size_t capacity) override; + virtual void SetStrictCapacityLimit(bool strict_capacity_limit) override; virtual bool HasStrictCapacityLimit() const override; + virtual size_t GetCapacity() const override; virtual size_t GetUsage() const override; virtual size_t GetUsage(rocksdb::Cache::Handle* handle) const override; virtual size_t GetPinnedUsage() const override; + virtual size_t GetCharge(Handle* handle) const = 0; +#if (ROCKSDB_MAJOR >= 6 && ROCKSDB_MINOR >= 22) + virtual DeleterFn GetDeleter(Handle* handle) const override; +#endif + virtual void DisownData() override = 0; +#if (ROCKSDB_MAJOR >= 6 && ROCKSDB_MINOR >= 22) + virtual void ApplyToAllEntries( + const std::function& callback, + const ApplyToAllEntriesOptions& opts) override; +#else virtual void ApplyToAllCacheEntries(void (*callback)(void*, size_t), bool thread_safe) override; +#endif virtual void EraseUnRefEntries() override; virtual std::string GetPrintableOptions() const override; + virtual CacheShard* GetShard(int shard) = 0; + virtual const CacheShard* GetShard(int shard) const = 0; + virtual uint32_t GetHash(Handle* handle) const = 0; int GetNumShardBits() const { return num_shard_bits_; } @@ -120,7 +136,7 @@ class ShardedCache : public rocksdb::Cache, public PriorityCache::PriCache { // return Hash(s.data(), s.size(), 0); } - uint32_t Shard(uint32_t hash) { + uint32_t Shard(uint32_t hash) const { // Note, hash >> 32 yields hash in gcc, not the zero we expect! return (num_shard_bits_ > 0) ? (hash >> (32 - num_shard_bits_)) : 0; }