diff --git a/0004-src-common-ceph-time.h.patch b/0004-src-common-ceph-time.h.patch
new file mode 100644
index 0000000..c8f7661
--- /dev/null
+++ b/0004-src-common-ceph-time.h.patch
@@ -0,0 +1,10 @@
+--- ceph-15.2.8/src/common/ceph_time.h.orig	2020-12-24 06:23:32.605762289 -0500
++++ ceph-15.2.8/src/common/ceph_time.h	2020-12-24 13:50:14.304877611 -0500
+@@ -18,6 +18,7 @@
+ #include <chrono>
+ #include <iostream>
+ #include <string>
++#include <optional>
+ #include <sys/time.h>
+ 
+ #include "include/ceph_assert.h"
diff --git a/0005-src-CMakeLists.txt.patch b/0005-src-CMakeLists.txt.patch
new file mode 100644
index 0000000..0aecebd
--- /dev/null
+++ b/0005-src-CMakeLists.txt.patch
@@ -0,0 +1,22 @@
+--- ceph-15.2.8/src/CMakeLists.txt.orig	2021-01-25 13:34:31.122206146 -0500
++++ ceph-15.2.8/src/CMakeLists.txt	2021-01-25 13:37:12.863612216 -0500
+@@ -23,10 +23,16 @@
+ set(datadir ${CEPH_INSTALL_DATADIR})
+ set(prefix ${CMAKE_INSTALL_PREFIX})
+ 
+-add_definitions("-DHAVE_CONFIG_H -D__CEPH__ -D_REENTRANT -D_THREAD_SAFE -D__STDC_FORMAT_MACROS")
+-add_definitions("-D_FILE_OFFSET_BITS=64")
++add_definitions(-DHAVE_CONFIG_H
++  -D__CEPH__
++  -D_REENTRANT
++  -D_THREAD_SAFE
++  -D__STDC_FORMAT_MACROS
++  -D_FILE_OFFSET_BITS=64
++  -DBOOST_ASIO_DISABLE_THREAD_KEYWORD_EXTENSION
++  -DBOOST_ASIO_USE_TS_EXECUTOR_AS_DEFAULT)
+ if(LINUX)
+-  add_definitions("-D_GNU_SOURCE")
++  add_definitions(-D_GNU_SOURCE)
+ endif()
+ 
+ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall")
diff --git a/0006-src-rgw-rgw_asio_frontend.cc.patch b/0006-src-rgw-rgw_asio_frontend.cc.patch
new file mode 100644
index 0000000..de47ac6
--- /dev/null
+++ b/0006-src-rgw-rgw_asio_frontend.cc.patch
@@ -0,0 +1,64 @@
+--- ceph-15.2.8/src/rgw/rgw_asio_frontend.cc.orig	2020-12-16 12:29:50.000000000 -0500
++++ ceph-15.2.8/src/rgw/rgw_asio_frontend.cc	2021-01-04 18:20:49.156104233 -0500
+@@ -2,6 +2,7 @@
+ // vim: ts=8 sw=2 smarttab ft=cpp
+ 
+ #include <atomic>
++#include <ctime>
+ #include <thread>
+ #include <vector>
+ 
+@@ -138,6 +139,29 @@
+   return out << h.quote << p->value() << h.quote;
+ }
+ 
++// log fractional seconds in milliseconds
++struct log_ms_remainder {
++  ceph::coarse_real_time t;
++  log_ms_remainder(ceph::coarse_real_time t) : t(t) {}
++};
++std::ostream& operator<<(std::ostream& out, const log_ms_remainder& m) {
++  using namespace std::chrono;
++  return out << std::setfill('0') << std::setw(3)
++      << duration_cast<milliseconds>(m.t.time_since_epoch()).count() % 1000;
++}
++
++// log time in apache format: day/month/year:hour:minute:second zone
++struct log_apache_time {
++  ceph::coarse_real_time t;
++  log_apache_time(ceph::coarse_real_time t) : t(t) {}
++};
++std::ostream& operator<<(std::ostream& out, const log_apache_time& a) {
++  const auto t = ceph::coarse_real_clock::to_time_t(a.t);
++  const auto local = std::localtime(&t);
++  return out << std::put_time(local, "%d/%b/%Y:%T.") << log_ms_remainder{a.t}
++      << std::put_time(local, " %z");
++};
++
+ using SharedMutex = ceph::async::SharedMutex<boost::asio::io_context::executor_type>;
+ 
+ template <typename Stream>
+@@ -228,16 +252,20 @@
+       RGWRestfulIO client(cct, &real_client_io);
+       auto y = optional_yield{context, yield};
+       int http_ret = 0;
++      string user = "-";
++      const auto started = ceph::coarse_real_clock::now();
++
+       process_request(env.store, env.rest, &req, env.uri_prefix,
+                       *env.auth_registry, &client, env.olog, y,
+                       scheduler, &http_ret);
+ 
+       if (cct->_conf->subsys.should_gather(dout_subsys, 1)) {
+         // access log line elements begin per Apache Combined Log Format with additions following
+-        const auto now = ceph::coarse_real_clock::now();
+-        using ceph::operator<<; // for coarse_real_time
++        // const auto now = ceph::coarse_real_clock::now();
++        // using ceph::operator<<; // for coarse_real_time
+         ldout(cct, 1) << "beast: " << hex << &req << dec << ": "
+-            << remote_endpoint.address() << " - - [" << now << "] \""
++        //     << remote_endpoint.address() << " - - [" << now << "] \""
++            << remote_endpoint.address() << " - " << user << " [" << log_apache_time{started} << "] \""
+             << message.method_string() << ' ' << message.target() << ' '
+             << http_version{message.version()} << "\" " << http_ret << ' '
+             << client.get_bytes_sent() + client.get_bytes_received() << ' '
diff --git a/0007-src-tools-rbd-action-Bench.cc.patch b/0007-src-tools-rbd-action-Bench.cc.patch
new file mode 100644
index 0000000..d0ced55
--- /dev/null
+++ b/0007-src-tools-rbd-action-Bench.cc.patch
@@ -0,0 +1,10 @@
+--- ceph-15.2.8/src/tools/rbd/action/Bench.cc.orig	2021-01-25 17:08:06.189223814 -0500
++++ ceph-15.2.8/src/tools/rbd/action/Bench.cc	2021-01-25 17:08:27.297805754 -0500
+@@ -10,6 +10,7 @@
+ #include "include/types.h"
+ #include "global/signal_handler.h"
+ #include <iostream>
++#include <atomic>
+ #include <boost/accumulators/accumulators.hpp>
+ #include <boost/accumulators/statistics/stats.hpp>
+ #include <boost/accumulators/statistics/rolling_sum.hpp>