rocksdb has been updated to 7.5.3 in meta-oe causing
ceph compilation to fail.

Backport necessary patches to allow ceph to work with
newer versions rocksdb.

Signed-off-by: Sakib Sajal <[email protected]>
---
 ...kv-rocksdb_cache-drop-ROCKSDB_PRIszt.patch |  51 +++++
 ...-reorder-ShardedCache-methods-declar.patch |  70 ++++++
 ...-define-DeleterFn-function-pointer-t.patch | 101 +++++++++
 ...-implement-methods-required-by-rocks.patch | 207 ++++++++++++++++++
 ...05-kv-rocksdb_cache-mark-Shard-const.patch |  32 +++
 ...006-rocksdb-build-with-rocksdb-7.y.z.patch | 109 +++++++++
 recipes-extended/ceph/ceph_15.2.15.bb         |   6 +
 7 files changed, 576 insertions(+)
 create mode 100644 
recipes-extended/ceph/ceph/0001-kv-rocksdb_cache-drop-ROCKSDB_PRIszt.patch
 create mode 100644 
recipes-extended/ceph/ceph/0002-kv-rocksdb_cache-reorder-ShardedCache-methods-declar.patch
 create mode 100644 
recipes-extended/ceph/ceph/0003-kv-rocksdb_cache-define-DeleterFn-function-pointer-t.patch
 create mode 100644 
recipes-extended/ceph/ceph/0004-kv-rocksdb_cache-implement-methods-required-by-rocks.patch
 create mode 100644 
recipes-extended/ceph/ceph/0005-kv-rocksdb_cache-mark-Shard-const.patch
 create mode 100644 
recipes-extended/ceph/ceph/0006-rocksdb-build-with-rocksdb-7.y.z.patch

diff --git 
a/recipes-extended/ceph/ceph/0001-kv-rocksdb_cache-drop-ROCKSDB_PRIszt.patch 
b/recipes-extended/ceph/ceph/0001-kv-rocksdb_cache-drop-ROCKSDB_PRIszt.patch
new file mode 100644
index 0000000..795c60f
--- /dev/null
+++ b/recipes-extended/ceph/ceph/0001-kv-rocksdb_cache-drop-ROCKSDB_PRIszt.patch
@@ -0,0 +1,51 @@
+From b7b58010fd10b95c681df78cc4322e6586a39099 Mon Sep 17 00:00:00 2001
+From: Kefu Chai <[email protected]>
+Date: Tue, 17 Aug 2021 15:20:24 +0800
+Subject: [PATCH 1/6] kv/rocksdb_cache: drop ROCKSDB_PRIszt
+
+ROCKSDB_PRIszt is a macro for "zu", which is in turn use for printing an
+(unsigned) size_t variable.
+
+there is no point having it in the header file or define a macro for it,
+as %zu is standard compliant, and we don't get any advantage by using a
+macro for it.
+
+Signed-off-by: Kefu Chai <[email protected]>
+
+Upstream-Status: Backport [44f5b827eb3c65665373a86908bf5d47e7d02687]
+
+Signed-off-by: Sakib Sajal <[email protected]>
+
+---
+ src/kv/rocksdb_cache/ShardedCache.cc | 2 +-
+ src/kv/rocksdb_cache/ShardedCache.h  | 1 -
+ 2 files changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/src/kv/rocksdb_cache/ShardedCache.cc 
b/src/kv/rocksdb_cache/ShardedCache.cc
+index 367140a9..8e08deb8 100644
+--- a/src/kv/rocksdb_cache/ShardedCache.cc
++++ b/src/kv/rocksdb_cache/ShardedCache.cc
+@@ -131,7 +131,7 @@ std::string ShardedCache::GetPrintableOptions() const {
+   char buffer[kBufferSize];
+   {
+     std::lock_guard<std::mutex> 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 4d64893a..8ab2587b 100644
+--- a/src/kv/rocksdb_cache/ShardedCache.h
++++ b/src/kv/rocksdb_cache/ShardedCache.h
+@@ -22,7 +22,6 @@
+ #ifndef CACHE_LINE_SIZE
+ #define CACHE_LINE_SIZE 64 // XXX arch-specific define 
+ #endif
+-#define ROCKSDB_PRIszt "zu"
+ 
+ namespace rocksdb_cache {
+ 
+-- 
+2.33.0
+
diff --git 
a/recipes-extended/ceph/ceph/0002-kv-rocksdb_cache-reorder-ShardedCache-methods-declar.patch
 
b/recipes-extended/ceph/ceph/0002-kv-rocksdb_cache-reorder-ShardedCache-methods-declar.patch
new file mode 100644
index 0000000..3fc8c86
--- /dev/null
+++ 
b/recipes-extended/ceph/ceph/0002-kv-rocksdb_cache-reorder-ShardedCache-methods-declar.patch
@@ -0,0 +1,70 @@
+From 6cdb1387a713fad765b5193d5acf4504f206a66f Mon Sep 17 00:00:00 2001
+From: Kefu Chai <[email protected]>
+Date: Tue, 17 Aug 2021 15:39:00 +0800
+Subject: [PATCH 2/6] kv/rocksdb_cache: reorder ShardedCache methods
+ declarations
+
+in the exact order in which rocksdb::Cache declare its public virtual
+methods.
+
+Signed-off-by: Kefu Chai <[email protected]>
+
+Upstream-Status: Backport [633656f8ade2c1d67a66f8b7ca3aa0a2ae82e6b1]
+
+Signed-off-by: Sakib Sajal <[email protected]>
+---
+ src/kv/rocksdb_cache/ShardedCache.h | 21 ++++++++++-----------
+ 1 file changed, 10 insertions(+), 11 deletions(-)
+
+diff --git a/src/kv/rocksdb_cache/ShardedCache.h 
b/src/kv/rocksdb_cache/ShardedCache.h
+index 8ab2587b..a16cf561 100644
+--- a/src/kv/rocksdb_cache/ShardedCache.h
++++ b/src/kv/rocksdb_cache/ShardedCache.h
+@@ -56,34 +56,33 @@ 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),
+                                  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;
++  virtual void DisownData() override = 0;
+   virtual void ApplyToAllCacheEntries(void (*callback)(void*, size_t),
+                                       bool thread_safe) override;
+   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_; }
+ 
+-- 
+2.33.0
+
diff --git 
a/recipes-extended/ceph/ceph/0003-kv-rocksdb_cache-define-DeleterFn-function-pointer-t.patch
 
b/recipes-extended/ceph/ceph/0003-kv-rocksdb_cache-define-DeleterFn-function-pointer-t.patch
new file mode 100644
index 0000000..01144b7
--- /dev/null
+++ 
b/recipes-extended/ceph/ceph/0003-kv-rocksdb_cache-define-DeleterFn-function-pointer-t.patch
@@ -0,0 +1,101 @@
+From 29f1e556c1e7c5ab195983552387e1410e0b5b6c Mon Sep 17 00:00:00 2001
+From: Kefu Chai <[email protected]>
+Date: Tue, 17 Aug 2021 16:25:32 +0800
+Subject: [PATCH 3/6] kv/rocksdb_cache: define DeleterFn function pointer type
+
+this paves the road to rocksdb v6.22.1 compatible implementation
+
+Signed-off-by: Kefu Chai <[email protected]>
+
+Upstream-Status: Backport [c7a6c74b62dfcc96f676eb6d8844852c4705b66f]
+
+Signed-off-by: Sakib Sajal <[email protected]>
+---
+ src/kv/rocksdb_cache/BinnedLRUCache.cc | 2 +-
+ src/kv/rocksdb_cache/BinnedLRUCache.h  | 4 ++--
+ src/kv/rocksdb_cache/ShardedCache.cc   | 2 +-
+ src/kv/rocksdb_cache/ShardedCache.h    | 6 ++++--
+ 4 files changed, 8 insertions(+), 6 deletions(-)
+
+diff --git a/src/kv/rocksdb_cache/BinnedLRUCache.cc 
b/src/kv/rocksdb_cache/BinnedLRUCache.cc
+index 2391a7f6..4e5f4dd4 100644
+--- a/src/kv/rocksdb_cache/BinnedLRUCache.cc
++++ b/src/kv/rocksdb_cache/BinnedLRUCache.cc
+@@ -344,7 +344,7 @@ 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;
+diff --git a/src/kv/rocksdb_cache/BinnedLRUCache.h 
b/src/kv/rocksdb_cache/BinnedLRUCache.h
+index 96023ce2..b0fb7148 100644
+--- a/src/kv/rocksdb_cache/BinnedLRUCache.h
++++ b/src/kv/rocksdb_cache/BinnedLRUCache.h
+@@ -56,7 +56,7 @@ std::shared_ptr<rocksdb::Cache> 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;
+diff --git a/src/kv/rocksdb_cache/ShardedCache.cc 
b/src/kv/rocksdb_cache/ShardedCache.cc
+index 8e08deb8..ef3b3b98 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))
+diff --git a/src/kv/rocksdb_cache/ShardedCache.h 
b/src/kv/rocksdb_cache/ShardedCache.h
+index a16cf561..674e5322 100644
+--- a/src/kv/rocksdb_cache/ShardedCache.h
++++ b/src/kv/rocksdb_cache/ShardedCache.h
+@@ -25,6 +25,8 @@
+ 
+ namespace rocksdb_cache {
+ 
++using DeleterFn = void (*)(const rocksdb::Slice& key, void* value);
++
+ // Single cache shard interface.
+ class CacheShard {
+  public:
+@@ -33,7 +35,7 @@ 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;
+@@ -59,7 +61,7 @@ class ShardedCache : public rocksdb::Cache, public 
PriorityCache::PriCache {
+   // rocksdb::Cache
+   virtual const char* Name() const override = 0;
+   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;
+-- 
+2.33.0
+
diff --git 
a/recipes-extended/ceph/ceph/0004-kv-rocksdb_cache-implement-methods-required-by-rocks.patch
 
b/recipes-extended/ceph/ceph/0004-kv-rocksdb_cache-implement-methods-required-by-rocks.patch
new file mode 100644
index 0000000..ee1e141
--- /dev/null
+++ 
b/recipes-extended/ceph/ceph/0004-kv-rocksdb_cache-implement-methods-required-by-rocks.patch
@@ -0,0 +1,207 @@
+From 90696cb3652eb307c6aadde4af7d9198dc00c15f Mon Sep 17 00:00:00 2001
+From: Kefu Chai <[email protected]>
+Date: Tue, 17 Aug 2021 16:27:47 +0800
+Subject: [PATCH 4/6] kv/rocksdb_cache: implement methods required by rocksdb
+ v6.22.1
+
+rocksdb v6.22.1 added couple pure methods, so let's implement them.
+
+Signed-off-by: Kefu Chai <[email protected]>
+
+Upstream-Status: Backport [2c445598ce5280e85feb1f0e94d1940a444ee421]
+
+Signed-off-by: Sakib Sajal <[email protected]>
+---
+ src/kv/rocksdb_cache/BinnedLRUCache.cc | 26 +++++++++++++++++++++++---
+ src/kv/rocksdb_cache/BinnedLRUCache.h  | 14 +++++++++++---
+ src/kv/rocksdb_cache/ShardedCache.cc   | 25 ++++++++++++++++++++++++-
+ src/kv/rocksdb_cache/ShardedCache.h    | 20 ++++++++++++++++++--
+ 4 files changed, 76 insertions(+), 9 deletions(-)
+
+diff --git a/src/kv/rocksdb_cache/BinnedLRUCache.cc 
b/src/kv/rocksdb_cache/BinnedLRUCache.cc
+index 4e5f4dd4..1e6ba7af 100644
+--- a/src/kv/rocksdb_cache/BinnedLRUCache.cc
++++ b/src/kv/rocksdb_cache/BinnedLRUCache.cc
+@@ -150,13 +150,20 @@ void BinnedLRUCacheShard::EraseUnRefEntries() {
+   }
+ }
+ 
+-void BinnedLRUCacheShard::ApplyToAllCacheEntries(void (*callback)(void*, 
size_t),
+-                                           bool thread_safe) {
++void BinnedLRUCacheShard::ApplyToAllCacheEntries(
++  const std::function<void(const rocksdb::Slice& key,
++                           void* value,
++                           size_t charge,
++                           DeleterFn)>& 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();
+   }
+@@ -463,6 +470,12 @@ std::string BinnedLRUCacheShard::GetPrintableOptions() 
const {
+   return std::string(buffer);
+ }
+ 
++DeleterFn BinnedLRUCacheShard::GetDeleter(rocksdb::Cache::Handle* h) const
++{
++  auto* handle = reinterpret_cast<BinnedLRUHandle*>(h);
++  return handle->deleter;
++}
++
+ BinnedLRUCache::BinnedLRUCache(CephContext *c, 
+                                size_t capacity, 
+                                int num_shard_bits,
+@@ -518,6 +531,13 @@ void BinnedLRUCache::DisownData() {
+ #endif  // !__SANITIZE_ADDRESS__
+ }
+ 
++#if (ROCKSDB_MAJOR >= 6 && ROCKSDB_MINOR >= 22)
++DeleterFn BinnedLRUCache::GetDeleter(Handle* handle) const
++{
++  return reinterpret_cast<const BinnedLRUHandle*>(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 b0fb7148..ba0c2720 100644
+--- a/src/kv/rocksdb_cache/BinnedLRUCache.h
++++ b/src/kv/rocksdb_cache/BinnedLRUCache.h
+@@ -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<void(const rocksdb::Slice& key,
++                             void* value,
++                             size_t charge,
++                             DeleterFn)>& 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
+@@ -303,7 +309,9 @@ 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 ef3b3b98..6cbd89ad 100644
+--- a/src/kv/rocksdb_cache/ShardedCache.cc
++++ b/src/kv/rocksdb_cache/ShardedCache.cc
+@@ -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<void(const rocksdb::Slice& key, void* value, size_t 
charge,
++                             DeleterFn deleter)>& 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_;
+diff --git a/src/kv/rocksdb_cache/ShardedCache.h 
b/src/kv/rocksdb_cache/ShardedCache.h
+index 674e5322..4d3ca302 100644
+--- a/src/kv/rocksdb_cache/ShardedCache.h
++++ b/src/kv/rocksdb_cache/ShardedCache.h
+@@ -14,6 +14,7 @@
+ #include <string>
+ #include <mutex>
+ 
++#include "rocksdb/version.h"
+ #include "rocksdb/cache.h"
+ #include "include/ceph_hash.h"
+ #include "common/PriorityCache.h"
+@@ -45,10 +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<void(const rocksdb::Slice& key,
++                             void* value,
++                             size_t charge,
++                             DeleterFn)>& 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
+@@ -77,9 +83,19 @@ class ShardedCache : public rocksdb::Cache, public 
PriorityCache::PriCache {
+   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<void(const rocksdb::Slice& key, void* value, size_t 
charge,
++                               DeleterFn deleter)>& 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;
+-- 
+2.33.0
+
diff --git 
a/recipes-extended/ceph/ceph/0005-kv-rocksdb_cache-mark-Shard-const.patch 
b/recipes-extended/ceph/ceph/0005-kv-rocksdb_cache-mark-Shard-const.patch
new file mode 100644
index 0000000..bc18574
--- /dev/null
+++ b/recipes-extended/ceph/ceph/0005-kv-rocksdb_cache-mark-Shard-const.patch
@@ -0,0 +1,32 @@
+From 52c57e25a5e2c617bc797b8ce50060b5894bd7fc Mon Sep 17 00:00:00 2001
+From: Kefu Chai <[email protected]>
+Date: Tue, 17 Aug 2021 18:06:31 +0800
+Subject: [PATCH 5/6] kv/rocksdb_cache: mark Shard() const
+
+it does not mutate anything, so mark it `const`.
+
+Signed-off-by: Kefu Chai <[email protected]>
+
+Upstream-Status: Backport [0296ac4458c0be0609f033e15b0fa8c6c9c20049]
+
+Signed-off-by: Sakib Sajal <[email protected]>
+---
+ src/kv/rocksdb_cache/ShardedCache.h | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/kv/rocksdb_cache/ShardedCache.h 
b/src/kv/rocksdb_cache/ShardedCache.h
+index 4d3ca302..f98421a0 100644
+--- a/src/kv/rocksdb_cache/ShardedCache.h
++++ b/src/kv/rocksdb_cache/ShardedCache.h
+@@ -136,7 +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;
+   }
+-- 
+2.33.0
+
diff --git 
a/recipes-extended/ceph/ceph/0006-rocksdb-build-with-rocksdb-7.y.z.patch 
b/recipes-extended/ceph/ceph/0006-rocksdb-build-with-rocksdb-7.y.z.patch
new file mode 100644
index 0000000..c7ca704
--- /dev/null
+++ b/recipes-extended/ceph/ceph/0006-rocksdb-build-with-rocksdb-7.y.z.patch
@@ -0,0 +1,109 @@
+From 06f23837c757ff7a8aa8db4e5965e25e9ca69f45 Mon Sep 17 00:00:00 2001
+From: "Kaleb S. KEITHLEY" <[email protected]>
+Date: Mon, 23 May 2022 07:41:26 -0400
+Subject: [PATCH 6/6] rocksdb: build with rocksdb-7.y.z
+
+RocksDB 7, specifically 7.2.2 has landed in Fedora 37/rawhide.
+
+https://tracker.ceph.com/issues/55730
+
+Signed-off-by: Kaleb S. KEITHLEY <[email protected]>
+(cherry picked from commit eea10281e6f4078f261b05b6bd9c9c9aec129201)
+
+Upstream-Status: Backport [be3ca10e60ade9dbe7d3e5cb018f32c7cc97e2ed]
+
+Signed-off-by: Sakib Sajal <[email protected]>
+---
+ src/kv/RocksDBStore.cc                 | 7 ++-----
+ src/kv/rocksdb_cache/BinnedLRUCache.cc | 2 +-
+ src/kv/rocksdb_cache/BinnedLRUCache.h  | 2 +-
+ src/kv/rocksdb_cache/ShardedCache.cc   | 2 +-
+ src/kv/rocksdb_cache/ShardedCache.h    | 4 ++--
+ 5 files changed, 7 insertions(+), 10 deletions(-)
+
+diff --git a/src/kv/RocksDBStore.cc b/src/kv/RocksDBStore.cc
+index 328277e5..115d28fc 100644
+--- a/src/kv/RocksDBStore.cc
++++ b/src/kv/RocksDBStore.cc
+@@ -728,19 +728,16 @@ int64_t RocksDBStore::estimate_prefix_size(const string& 
prefix,
+ {
+   auto cf = get_cf_handle(prefix);
+   uint64_t size = 0;
+-  uint8_t flags =
+-    //rocksdb::DB::INCLUDE_MEMTABLES |  // do not include memtables...
+-    rocksdb::DB::INCLUDE_FILES;
+   if (cf) {
+     string start = key_prefix + string(1, '\x00');
+     string limit = key_prefix + string("\xff\xff\xff\xff");
+     rocksdb::Range r(start, limit);
+-    db->GetApproximateSizes(cf, &r, 1, &size, flags);
++    db->GetApproximateSizes(cf, &r, 1, &size);
+   } else {
+     string start = combine_strings(prefix , key_prefix);
+     string limit = combine_strings(prefix , key_prefix + "\xff\xff\xff\xff");
+     rocksdb::Range r(start, limit);
+-    db->GetApproximateSizes(default_cf, &r, 1, &size, flags);
++    db->GetApproximateSizes(default_cf, &r, 1, &size);
+   }
+   return size;
+ }
+diff --git a/src/kv/rocksdb_cache/BinnedLRUCache.cc 
b/src/kv/rocksdb_cache/BinnedLRUCache.cc
+index 1e6ba7af..c4918355 100644
+--- a/src/kv/rocksdb_cache/BinnedLRUCache.cc
++++ b/src/kv/rocksdb_cache/BinnedLRUCache.cc
+@@ -531,7 +531,7 @@ void BinnedLRUCache::DisownData() {
+ #endif  // !__SANITIZE_ADDRESS__
+ }
+ 
+-#if (ROCKSDB_MAJOR >= 6 && ROCKSDB_MINOR >= 22)
++#if (ROCKSDB_MAJOR >= 7 || (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR >= 22))
+ DeleterFn BinnedLRUCache::GetDeleter(Handle* handle) const
+ {
+   return reinterpret_cast<const BinnedLRUHandle*>(handle)->deleter;
+diff --git a/src/kv/rocksdb_cache/BinnedLRUCache.h 
b/src/kv/rocksdb_cache/BinnedLRUCache.h
+index ba0c2720..266667f0 100644
+--- a/src/kv/rocksdb_cache/BinnedLRUCache.h
++++ b/src/kv/rocksdb_cache/BinnedLRUCache.h
+@@ -309,7 +309,7 @@ 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)
++#if (ROCKSDB_MAJOR >= 7 || (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
+diff --git a/src/kv/rocksdb_cache/ShardedCache.cc 
b/src/kv/rocksdb_cache/ShardedCache.cc
+index 6cbd89ad..7d160f9c 100644
+--- a/src/kv/rocksdb_cache/ShardedCache.cc
++++ b/src/kv/rocksdb_cache/ShardedCache.cc
+@@ -109,7 +109,7 @@ size_t ShardedCache::GetPinnedUsage() const {
+   return usage;
+ }
+ 
+-#if (ROCKSDB_MAJOR >= 6 && ROCKSDB_MINOR >= 22)
++#if (ROCKSDB_MAJOR >= 7 || (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR >= 22))
+ DeleterFn ShardedCache::GetDeleter(Handle* handle) const
+ {
+   uint32_t hash = GetHash(handle);
+diff --git a/src/kv/rocksdb_cache/ShardedCache.h 
b/src/kv/rocksdb_cache/ShardedCache.h
+index f98421a0..855912d7 100644
+--- a/src/kv/rocksdb_cache/ShardedCache.h
++++ b/src/kv/rocksdb_cache/ShardedCache.h
+@@ -83,11 +83,11 @@ class ShardedCache : public rocksdb::Cache, public 
PriorityCache::PriCache {
+   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)
++#if (ROCKSDB_MAJOR >= 7 || (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)
++#if (ROCKSDB_MAJOR >= 7 || (ROCKSDB_MAJOR == 6 && ROCKSDB_MINOR >= 22))
+   virtual void ApplyToAllEntries(
+       const std::function<void(const rocksdb::Slice& key, void* value, size_t 
charge,
+                                DeleterFn deleter)>& callback,
+-- 
+2.33.0
+
diff --git a/recipes-extended/ceph/ceph_15.2.15.bb 
b/recipes-extended/ceph/ceph_15.2.15.bb
index f2ece8c..14b4c97 100644
--- a/recipes-extended/ceph/ceph_15.2.15.bb
+++ b/recipes-extended/ceph/ceph_15.2.15.bb
@@ -17,6 +17,12 @@ SRC_URI = 
"http://download.ceph.com/tarballs/ceph-${PV}.tar.gz \
            
file://0001-buffer.h-add-missing-header-file-due-to-gcc-upgrade.patch \
            
file://0002-common-fix-FTBFS-due-to-dout-need_dynamic-on-GCC-12.patch \
            file://CVE-2021-3979.patch \
+           file://0001-kv-rocksdb_cache-drop-ROCKSDB_PRIszt.patch \
+           
file://0002-kv-rocksdb_cache-reorder-ShardedCache-methods-declar.patch \
+           
file://0003-kv-rocksdb_cache-define-DeleterFn-function-pointer-t.patch \
+           
file://0004-kv-rocksdb_cache-implement-methods-required-by-rocks.patch \
+           file://0005-kv-rocksdb_cache-mark-Shard-const.patch \
+           file://0006-rocksdb-build-with-rocksdb-7.y.z.patch \
 "
 
 SRC_URI[sha256sum] = 
"5dccdaff2ebe18d435b32bfc06f8b5f474bf6ac0432a6a07d144b7c56700d0bf"
-- 
2.33.0

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