Ceph

https://github.com/ceph/ceph/pull/35028

Looks like https://github.com/ceph/ceph/commit/710e5da85b3066247f2541c88127a28e1ce5fa08 will need backporting to nautilus since ./run-make-check.sh fails like:

[  9%] Performing build step for 'fio_ext'
FIO_VERSION = fio-3.10
In file included from crc/../os/os.h:38,
                 from crc/crc32c-arm64.c:2:
crc/../os/os-linux.h:129:19: error: static declaration of 'gettid' follows non-static declaration
  129 | static inline int gettid(void)
      |                   ^~~~~~
In file included from /usr/include/unistd.h:1170,
                 from crc/../os/os.h:8,
                 from crc/crc32c-arm64.c:2:
....

glibc-2.30-2.3.src

# gcc -v
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/lib64/gcc/x86_64-suse-linux/9/lto-wrapper
OFFLOAD_TARGET_NAMES=hsa:nvptx-none
Target: x86_64-suse-linux
Configured with: ../configure --prefix=/usr --infodir=/usr/share/info --mandir=/usr/share/man --libdir=/usr/lib64 --libexecdir=/usr/lib64 --enable-languages=c,c++,objc,fortran,obj-c++,ada,go,d --enable-offload-targets=hsa,nvptx-none=/usr/nvptx-none, --without-cuda-driver --disable-werror --with-gxx-include-dir=/usr/include/c++/9 --enable-ssp --disable-libssp --disable-libvtv --disable-cet --disable-libcc1 --enable-plugin --with-bugurl=https://bugs.opensuse.org/ --with-pkgversion='SUSE Linux' --with-slibdir=/lib64 --with-system-zlib --enable-libstdcxx-allocator=new --disable-libstdcxx-pch --enable-libphobos --enable-version-specific-runtime-libs --with-gcc-major-version-only --enable-linker-build-id --enable-linux-futex --enable-gnu-indirect-function --program-suffix=-9 --without-system-libunwind --enable-multilib --with-arch-32=x86-64 --with-tune=generic --with-build-config=bootstrap-lto-lean --enable-link-mutex --build=x86_64-suse-linux --host=x86_64-suse-linux
Thread model: posix
gcc version 9.2.1 20200128 [revision 83f65674e78d97d27537361de1a9d74067ff228d] (SUSE Linux)

Adding https://bugs.launchpad.net/ubuntu-kernel-tests/+bug/1844548 as reference.