Merge pull request ceph#55054 from pereman2/zns-remove

os/bluestore: remove zoned namespace support
It has never been finished and now its in the way of future improvements.

Author: aclamk

CMakeLists.txt

@@ -233,13 +233,6 @@ endif()
 
 include(CMakeDependentOption)
 
-CMAKE_DEPENDENT_OPTION(WITH_ZBD "Enable libzbd bluestore backend" OFF
-  "WITH_BLUESTORE" OFF)
-if(WITH_ZBD)
-  find_package(zbd REQUIRED)
-  set(HAVE_LIBZBD ${ZBD_FOUND})
-endif()
-
 CMAKE_DEPENDENT_OPTION(WITH_LIBURING "Enable io_uring bluestore backend" ON
   "WITH_BLUESTORE;HAVE_LIBAIO" OFF)
 set(HAVE_LIBURING ${WITH_LIBURING})

ceph.spec.in

@@ -21,7 +21,6 @@
 # https://rpm-software-management.github.io/rpm/manual/conditionalbuilds.html
 #################################################################################
 %bcond_with make_check
-%bcond_with zbd
 %bcond_with cmake_verbose_logging
 %bcond_without ceph_test_package
 %ifarch s390
@@ -301,9 +300,6 @@ BuildRequires:	socat
 BuildRequires:	python%{python3_pkgversion}-asyncssh
 BuildRequires:	python%{python3_pkgversion}-natsort
 %endif
-%if 0%{with zbd}
-BuildRequires:  libzbd-devel
-%endif
 %if 0%{?suse_version}
 BuildRequires:  libthrift-devel >= 0.13.0
 %else
@@ -1422,9 +1418,6 @@ cmake .. \
 %if 0%{without lua_packages}
     -DWITH_RADOSGW_LUA_PACKAGES:BOOL=OFF \
 %endif
-%if 0%{with zbd}
-    -DWITH_ZBD:BOOL=ON \
-%endif
 %if 0%{with cmake_verbose_logging}
     -DCMAKE_VERBOSE_MAKEFILE:BOOL=ON \
 %endif

install-deps.sh

@@ -36,8 +36,6 @@ ARCH=$(uname -m)
 function munge_ceph_spec_in {
     local with_seastar=$1
     shift
-    local with_zbd=$1
-    shift
     local for_make_check=$1
     shift
     local OUTFILE=$1
@@ -46,9 +44,6 @@ function munge_ceph_spec_in {
     if $with_seastar; then
         sed -i -e 's/%bcond_with seastar/%bcond_without seastar/g' $OUTFILE
     fi
-    if $with_zbd; then
-        sed -i -e 's/%bcond_with zbd/%bcond_without zbd/g' $OUTFILE
-    fi
     if $for_make_check; then
         sed -i -e 's/%bcond_with make_check/%bcond_without make_check/g' $OUTFILE
     fi
@@ -229,19 +224,6 @@ function install_boost_on_ubuntu {
 
 }
 
-function install_libzbd_on_ubuntu {
-    ci_debug "Running install_libzbd_on_ubuntu() in install-deps.sh"
-    local codename=$1
-    local project=libzbd
-    local sha1=1fadde94b08fab574b17637c2bebd2b1e7f9127b
-    install_pkg_on_ubuntu \
-        $project \
-        $sha1 \
-        $codename \
-        check \
-        libzbd-dev
-}
-
 motr_pkgs_url='https://github.com/Seagate/cortx-motr/releases/download/2.0.0-rgw'
 
 function install_cortx_motr_on_ubuntu {
@@ -431,7 +413,6 @@ if [ x$(uname)x = xFreeBSDx ]; then
     exit
 else
     [ $WITH_SEASTAR ] && with_seastar=true || with_seastar=false
-    [ $WITH_ZBD ] && with_zbd=true || with_zbd=false
     [ $WITH_PMEM ] && with_pmem=true || with_pmem=false
     [ $WITH_RADOSGW_MOTR ] && with_rgw_motr=true || with_rgw_motr=false
     source /etc/os-release
@@ -460,12 +441,10 @@ else
             *Bionic*)
                 ensure_decent_gcc_on_ubuntu 9 bionic
                 [ ! $NO_BOOST_PKGS ] && install_boost_on_ubuntu bionic
-                $with_zbd && install_libzbd_on_ubuntu bionic
                 ;;
             *Focal*)
                 ensure_decent_gcc_on_ubuntu 11 focal
                 [ ! $NO_BOOST_PKGS ] && install_boost_on_ubuntu focal
-                $with_zbd && install_libzbd_on_ubuntu focal
                 ;;
             *Jammy*)
                 [ ! $NO_BOOST_PKGS ] && install_boost_on_ubuntu jammy
@@ -559,7 +538,7 @@ else
         if [ "$INSTALL_EXTRA_PACKAGES" ]; then
             $SUDO dnf install -y $INSTALL_EXTRA_PACKAGES
         fi
-        munge_ceph_spec_in $with_seastar $with_zbd $for_make_check $DIR/ceph.spec
+        munge_ceph_spec_in $with_seastar $for_make_check $DIR/ceph.spec
         # for python3_pkgversion macro defined by python-srpm-macros, which is required by python3-devel
         $SUDO dnf install -y python3-devel
         $SUDO $builddepcmd $DIR/ceph.spec 2>&1 | tee $DIR/yum-builddep.out

src/blk/BlockDevice.cc

@@ -31,10 +31,6 @@
 #include "pmem/PMEMDevice.h"
 #endif
 
-#if defined(HAVE_LIBZBD)
-#include "zoned/HMSMRDevice.h"
-#endif
-
 #include "common/debug.h"
 #include "common/EventTrace.h"
 #include "common/errno.h"
@@ -113,11 +109,6 @@ BlockDevice::detect_device_type(const std::string& path)
     return block_device_t::pmem;
   }
 #endif
-#if (defined(HAVE_LIBAIO) || defined(HAVE_POSIXAIO)) && defined(HAVE_LIBZBD)
-  if (HMSMRDevice::support(path)) {
-    return block_device_t::hm_smr;
-  }
-#endif
 #if defined(HAVE_LIBAIO) || defined(HAVE_POSIXAIO)
   return block_device_t::aio;
 #else
@@ -142,11 +133,6 @@ BlockDevice::device_type_from_name(const std::string& blk_dev_name)
   if (blk_dev_name == "pmem") {
     return block_device_t::pmem;
   }
-#endif
-#if (defined(HAVE_LIBAIO) || defined(HAVE_POSIXAIO)) && defined(HAVE_LIBZBD)
-  if (blk_dev_name == "hm_smr") {
-    return block_device_t::hm_smr;
-  }
 #endif
   return block_device_t::unknown;
 }
@@ -168,10 +154,6 @@ BlockDevice* BlockDevice::create_with_type(block_device_t device_type,
 #if defined(HAVE_BLUESTORE_PMEM)
   case block_device_t::pmem:
     return new PMEMDevice(cct, cb, cbpriv);
-#endif
-#if (defined(HAVE_LIBAIO) || defined(HAVE_POSIXAIO)) && defined(HAVE_LIBZBD)
-  case block_device_t::hm_smr:
-    return new HMSMRDevice(cct, cb, cbpriv, d_cb, d_cbpriv);
 #endif
   default:
     ceph_abort_msg("unsupported device");

src/blk/BlockDevice.h

@@ -156,9 +156,6 @@ class BlockDevice {
     unknown,
 #if defined(HAVE_LIBAIO) || defined(HAVE_POSIXAIO)
     aio,
-#if defined(HAVE_LIBZBD)
-    hm_smr,
-#endif
 #endif
 #if defined(HAVE_SPDK)
     spdk,

src/blk/CMakeLists.txt

@@ -20,11 +20,6 @@ if(WITH_SPDK)
     spdk/NVMEDevice.cc)
 endif()
 
-if(WITH_ZBD)
-  list(APPEND libblk_srcs
-    zoned/HMSMRDevice.cc)
-endif()
-
 if(libblk_srcs)
   add_library(blk STATIC ${libblk_srcs})
   target_include_directories(blk PRIVATE "./")
@@ -39,10 +34,6 @@ if(WITH_SPDK)
     PRIVATE spdk::spdk)
 endif()
 
-if(WITH_ZBD)
-  target_link_libraries(blk PRIVATE ${ZBD_LIBRARIES})
-endif()
-
 if(WITH_BLUESTORE_PMEM)
   if(HAVE_LIBDML)
     target_link_libraries(blk PRIVATE dml::dml dml::dmlhl)

src/blk/zoned/HMSMRDevice.cc

@@ -4919,7 +4919,6 @@ options:
   - stupid
   - avl
   - hybrid
-  - zoned
   with_legacy: true
 - name: bluestore_freelist_blocks_per_key
   type: size
@@ -6348,7 +6347,6 @@ options:
   - aio
   - spdk
   - pmem
-  - hm_smr
 - name: bluestore_cleaner_sleep_interval
   type: float
   level: advanced