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Kefu Chai 80b9067286 blk,build: drop BlueStore PMEM support 
BlueStore's PMEMDevice backend targets byte-addressable persistent
memory exposed as a DAX device, in practice Intel Optane DC persistent
memory. Intel Optane has been discontinued since 2021 and there is no
mainstream replacement, so the backend has effectively no hardware left
to run on. It was always experimental and has seen no functional change
since the DML/DSA offload landed in 2022; every commit to it since has
been a formatting sweep.

Keeping it builds in a chain of dependencies that nothing else needs:
libpmem, libndctl and libdaxctl, plus dml for the DSA offload that only
works on a Sapphire Rapids CPU. Remove the backend and everything tied
to it.

RBD persistent write-back cache (WITH_RBD_RWL) still uses PMDK's
libpmemobj, so the pmdk submodule, WITH_SYSTEM_PMDK, Buildpmdk and
Findpmdk stay. WITH_SYSTEM_PMDK now depends on WITH_RBD_RWL alone, and
Buildpmdk no longer builds ndctl support.

- remove the WITH_BLUESTORE_PMEM option, HAVE_BLUESTORE_PMEM and
  HAVE_LIBDML
- delete src/blk/pmem/PMEMDevice.{cc,h} and the pmem block_device_t
- drop the pmem value from the bdev_type option
- remove the --bluestore-pmem vstart flag
- drop the libpmem, libndctl and libdaxctl build deps from debian and
  rpm, keeping libpmemobj for RWL
- delete the Finddml, Findndctl and Finddaxctl cmake modules
- remove the DSA/DML and ndctl documentation

Signed-off-by: Kefu Chai <k.chai@proxmox.com>
2026-07-05 08:37:21 +08:00
..
code_tests cmake/.../FindSanitizers: add check for Sanitizers_FIBER_SUPPPORT 2024-02-20 16:20:23 -08:00
AddCephTest.cmake cmake: factor the ASan/LSan test options into cache variables 2026-06-23 23:02:05 +08:00
BuildArrow.cmake rgw: bump Apache Arrow submodule from 17.0.0 to 19.0.1 2026-05-24 18:57:04 +08:00
BuildBoost.cmake cmake/boost: build libboost_context with BOOST_USE_ASAN 2026-06-24 06:44:18 +08:00
Buildc-ares.cmake cmake: s/c-ares::c-ares/c-ares::cares/ 2022-11-22 01:17:30 +08:00
BuildDPDK.cmake cmake: pass RTE_DEVEL_BUILD=n when building dpdk 2022-03-05 12:57:24 +08:00
BuildFIO.cmake cmake: build fio from upstream 3.42 2026-06-26 15:17:17 +08:00
BuildISAL.cmake cmake/BuildISAL: build and install library targets only 2026-05-17 20:13:00 +08:00
BuildISALCrypto.cmake cmake/crypto: use ExternalProject to build isal crypto library 2024-09-05 13:19:21 -04:00
BuildOpentelemetry.cmake cmake: add cmake 4 support 2025-10-20 17:02:57 -04:00
Buildpmdk.cmake blk,build: drop BlueStore PMEM support 2026-07-05 08:37:21 +08:00
BuildQAT.cmake cmake: WITH_QATLIB/ZIP disabled on aarch64 2024-02-07 11:13:21 -05:00
BuildQATzip.cmake cmake/modules/BuildQATzip: Disable errors 2025-02-20 14:18:12 +00:00
BuildRocksDB.cmake cmake: fix liburing path passed to rocksdb 2026-01-05 15:09:00 +09:00
BuildSPDK.cmake cmake/modules/BuildSPDK.cmake: link whole-archive 2022-01-20 19:39:27 +08:00
Builduadk.cmake uadk: Build with ceph fork (for FORTIFY_SOURCE fix) 2025-09-04 13:27:36 -04:00
BuildUBBD.cmake tools/rbd: add support of new device type for ubbd 2023-05-18 12:35:39 +00:00
Builduring.cmake cmake/modules/Builduring.cmake: add URING::uring as alias 2026-02-12 10:26:16 +00:00
BuildUtf8proc.cmake cmake: add submodule for utf8proc at v2.2.0 2022-03-14 10:19:02 -04:00
BuildZstd.cmake cmake: allow use libzstd in system 2021-03-31 12:53:39 +08:00
CephCheck_link.c
CephCheck_link.map
CephChecks.cmake build: add Mold linker compatibility 2026-06-28 14:53:54 +00:00
CheckCxxAtomic.cmake build: fix atomic linking with LTO on s390x 2022-07-18 15:19:02 -04:00
CheckNasm.cmake common: enable AVX512+VPCLMULQDQ for crc32c performance on x86 2026-05-21 17:30:13 +08:00
CPM.cmake Add support for Catch2 2025-05-02 10:54:58 -07:00
CTags.cmake Merge pull request #54963 from DimStar77/cmake328 2024-02-17 23:18:23 +08:00
Distutils.cmake build: add Mold linker compatibility 2026-06-28 14:53:54 +00:00
Findaio.cmake
FindArrow.cmake cmake: move Arrow targets into find_package modules 2022-03-14 10:19:02 -04:00
Findbabeltrace.cmake
FindBacktrace.cmake
Findblkid.cmake
Findc-ares.cmake cmake: drop c-ares::c-ares alias 2025-06-13 16:23:49 +08:00
Findcap.cmake cmake: find_package(cap) before linking against it 2024-02-11 16:57:38 +08:00
FindCUnit.cmake
FindCython.cmake cmake: drop WITH_PYTHON2 option 2019-12-19 10:58:58 +08:00
FindDAOS.cmake rgw: add DAOS SAL implementation 2022-09-07 12:19:41 -04:00
Finddpdk.cmake cmake: dpdk: only append common dir if it has been found 2022-01-13 14:40:17 +01:00
FindFUSE.cmake cmake: to get the header and library from specified path 2020-05-24 21:40:18 -04:00
FindGMock.cmake
Findgperftools.cmake
FindGSSApi.cmake
FindJeMalloc.cmake
FindJerasure.cmake cmake: add WITH_SYSTEM_JERASURE option for system jerasure and gf-complete 2026-04-08 18:42:19 +08:00
Findkeyutils.cmake
Findlibcryptsetup.cmake cmake: fix unknown pkg_search_module 2020-12-02 06:18:52 -05:00
Findlibnbd.cmake librbd/migration: add nbd stream 2024-09-06 14:14:12 +02:00
FindLinuxZNS.cmake cmake: detect linux/blk/zoned support 2021-12-25 16:13:47 +08:00
FindLMDB.cmake RGW - Add POSIX Driver 2023-09-14 12:09:40 -04:00
FindLTTngUST.cmake
FindLZ4.cmake
FindMake.cmake cmake: use find_program(REQUIRED) to fail early on missing programs 2025-06-17 17:30:10 +08:00
Findmotr.cmake cmake: find motr libraries and header before using them 2022-08-10 21:15:12 +08:00
Findnl.cmake
FindNUMA.cmake cmake: use NUMA for package name in FindNUMA.cmake 2021-02-14 23:11:33 +08:00
FindOATH.cmake
FindOpenLDAP.cmake cmake: define OpenLDAP::OpenLDAP library 2021-07-24 19:28:56 +08:00
FindParquet.cmake cmake: move Arrow targets into find_package modules 2022-03-14 10:19:02 -04:00
Findpmdk.cmake cmake: rename a series of pmem libraries to pmdk 2022-06-28 01:16:33 +08:00
FindQAT.cmake cmake: add WITH_QATLIB to build against qatlib 2024-02-07 10:37:47 -05:00
FindQatDrv.cmake cmake: add WITH_QATLIB to build against qatlib 2024-02-07 10:37:47 -05:00
FindQATzip.cmake cmake: build qatzip from source when WITH_SYSTEM_QATZIP=OFF 2024-02-07 11:12:45 -05:00
FindRabbitMQ.cmake
FindRDKafka.cmake cmake: check version of librdkafka 2019-12-15 22:16:08 +08:00
Findrdmacm.cmake
FindRocksDB.cmake
FindSanitizers.cmake cmake: explicitly support and enable vptr sanitizer 2026-03-02 11:24:44 +00:00
Findsnappy.cmake
Findspdk.cmake cmake: add WITH_SYSTEM_SPDK to link a system-installed SPDK 2026-05-31 08:33:11 +08:00
FindSQLite3.cmake libcephsqlite: rework architecture and backend 2021-03-19 08:52:55 -07:00
FindStdFilesystem_test.cc cmake: stop detecting <experimental/filesystem> 2021-06-09 23:25:22 +08:00
FindStdFilesystem.cmake cmake: stop detecting <experimental/filesystem> 2021-06-09 23:25:22 +08:00
Findthrift.cmake cmake: Findthrift.cmake parses version string 2025-10-15 17:06:43 -04:00
Findudev.cmake
Finduring.cmake cmake: fix Finduring.cmake 2023-10-20 09:18:30 -04:00
Findutf8proc.cmake cmake: add submodule for utf8proc at v2.2.0 2022-03-14 10:19:02 -04:00
Finduuid.cmake
Findverbs.cmake
Findxfs.cmake
Findyaml-cpp.cmake jaeger, build/op: add jaeger and it's dependencies as submodules 2020-12-11 07:55:46 +00:00
Findzbd.cmake os/bluestore: Switch from libzbc library to libzbd library 2020-09-06 12:35:05 -04:00
FindZstd.cmake cmake: allow use libzstd in system 2021-03-31 12:53:39 +08:00
GetGitRevisionDescription.cmake cmake: check $top_srcdir/.git directly 2020-04-08 18:03:37 +08:00
GetGitRevisionDescription.cmake.in
LimitJobs.cmake cmake: Intelligently set job limits for sccache 2024-05-06 14:03:14 -06:00
patch-dpdk-conf.sh cmake: Add dpdk numa support 2019-11-28 20:15:39 +08:00
PythonPackage.cmake cmake/modules: add PythonPackage.cmake 2026-05-06 09:32:25 -04:00
SIMDExt.cmake src/common: optimize crc32c using zbc extension for riscv64 2026-04-07 17:25:48 +08:00