--- title: 内核合入Lustre补丁 description: "1. 创建目录结构。" url: https://www.hikunpeng.com/document/detail/zh/kunpengsdss/ecosystemEnable/Lustre/openmind_kunpenglustre_04_0006.html sourcePath: /source/zh/kunpengsdss/ecosystemEnable/Lustre/openmind_kunpenglustre_04_0006.html indexId: 4a3393eb9ad1b08f023975c29ba38b7a32f3809f15f283bed089482d8dd531ca81 --- # 内核合入Lustre补丁 #### 准备内核源码 1. 创建目录结构。 1 2 3 4 cd $HOME mkdir -p kernel/rpmbuild/{BUILD,RPMS,SOURCES,SPECS,SRPMS} cd kernel echo '%_topdir %(echo $HOME)/kernel/rpmbuild' > ~/.rpmmacros 2. 安装内核源码。 1 rpm -ivh https://vault.centos.org/8.0.1905/BaseOS/Source/SPackages/kernel-4.18.0-80.11.2.el8_0.src.rpm 3. 用rpmbuild准备内核源码。 1 2 cd ~/kernel/rpmbuild rpmbuild -bp --target=`uname -m` ./SPECS/kernel.spec 结果输出如下。 1 2 3 4 5 6 7 ... Processed config files are in /home/build/kernel/rpmbuild/BUILD/kernel-4.18.0-80.11.2.el8_0/linux-4.18.0-80.11.2.el8.aarch64/configs + cd .. + find . '(' -name '*.orig' -o -name '*~' ')' -exec rm -f '{}' ';' + find . -name .gitignore -exec rm -f '{}' ';' + cd .. + exit 0 4. 复制内核文件到lustre tree。 1 cp ~/kernel/rpmbuild/BUILD/kernel-4.18.0-80.11.2.el8_0/linux-4.18.0-80.11.2.el8.aarch64/configs/kernel-4.18.0-aarch64.config ~/lustre-release/lustre/kernel_patches/kernel_configs/kernel-4.18.0-4.18-rhel8-aarch64.config 5. 编辑内核文件。 1 vim ~/lustre-release/lustre/kernel_patches/kernel_configs/kernel-4.18.0-4.18-rhel8-aarch64.config 找到“# IO Schedulers”，在下面插入以下内容。 1 2 CONFIG_IOSCHED_DEADLINE=y CONFIG_DEFAULT_IOSCHED="deadline" #### 合入Lustre补丁 1. 将所有补丁聚集到一个文件中。 1 2 3 4 5 6 7 cd ~ rm -f ~/lustre-kernel-aarch64-lustre.patch #Note:没有这个文件就不用 cd ~/lustre-release/lustre/kernel_patches/series for patch in $(<"4.18-rhel8.series"); do \ patch_file="$HOME/lustre-release/lustre/kernel_patches/patches/${patch}"; \ cat "${patch_file}" >> "$HOME/lustre-kernel-aarch64-lustre.patch"; \ done 2. 复制内核补丁build tree。 1 cp ~/lustre-kernel-aarch64-lustre.patch ~/kernel/rpmbuild/SOURCES/patch-4.18.0-lustre.patch 3. 编辑文件“~/kernel/rpmbuild/SPECS/kernel.spec”。 ``` vim ~/kernel/rpmbuild/SPECS/kernel.spec ``` a. 找到“find $RPM_BUILD_ROOT/lib/modules/$KernelVer”，在下面插入如下内容。 1 cp -a fs/ext4/* $RPM_BUILD_ROOT/lib/modules/$KernelVer/build/fs/ext4 b. 找到“# empty final patch to facilitate testing of kernel patches”，在下面插入如下内容。 1 2 # adds Lustre patches Patch99995: patch-%{version}-lustre.patch c. 找到“ApplyOptionalPatch linux-kernel-test.patch”，在下面插入如下内容。 1 2 # lustre patch ApplyOptionalPatch patch-%{version}-lustre.patch 4. 覆盖内核配置文件“~/lustre-release/lustre/kernel_patches/kernel_configs/kernel-4.18.0-4.18-rhel8-aarch64.config”。 1 2 echo '# arm64' > ~/kernel/rpmbuild/SOURCES/kernel-4.18.0-aarch64.config cat ~/lustre-release/lustre/kernel_patches/kernel_configs/kernel-4.18.0-4.18-rhel8-aarch64.config >> ~/kernel/rpmbuild/SOURCES/kernel-4.18.0-aarch64.config #### 生成内核RPM包 用rpmbuild构建内核RPM包。 ``` cd ~/kernel/rpmbuild buildid="_lustre" # Note: change to any string that identify your work rpmbuild -ba --with firmware --target aarch64 --with baseonly \ --without kabichk --define "buildid ${buildid}" \ ~/kernel/rpmbuild/SPECS/kernel.spec ``` 构建成功后返回以下结果。 ``` Checking for unpackaged file(s): /usr/lib/rpm/check-files /home/build/kernel/rpmbuild/BUILDROOT/kernel-4.18.0-80.11.2.el8_lustre.aarch64 Wrote: /home/build/kernel/rpmbuild/SRPMS/kernel-4.18.0-80.11.2.el8_lustre.src.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/kernel-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/kernel-headers-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/kernel-cross-headers-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/kernel-debuginfo-common-aarch64-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/perf-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/perf-debuginfo-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/python3-perf-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/python3-perf-debuginfo-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/kernel-tools-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/kernel-tools-libs-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/kernel-tools-libs-devel-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/kernel-tools-debuginfo-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/bpftool-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/bpftool-debuginfo-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/kernel-core-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/kernel-devel-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/kernel-modules-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/kernel-modules-extra-4.18.0-80.11.2.el8_lustre.aarch64.rpm Wrote: /home/build/kernel/rpmbuild/RPMS/aarch64/kernel-debuginfo-4.18.0-80.11.2.el8_lustre.aarch64.rpm Executing(%clean): /bin/sh -e /var/tmp/rpm-tmp.SqV3vr + umask 022 + cd /home/build/kernel/rpmbuild/BUILD + cd kernel-4.18.0-80.11.2.el8_0 + rm -rf /home/build/kernel/rpmbuild/BUILDROOT/kernel-4.18.0-80.11.2.el8_lustre.aarch64 + exit 0 ``` #### 安装内核 1. 切换至root用户，安装内核RPM包。 1 2 3 su root cd /home/build/kernel/rpmbuild/RPMS/aarch64/ rpm -Uvh kernel-core-4.18.0-80.11.2.el8_lustre.aarch64.rpm kernel-headers-4.18.0-80.11.2.el8_lustre.aarch64.rpm kernel-modules-4.18.0-80.11.2.el8_lustre.aarch64.rpm kernel-modules-extra-4.18.0-80.11.2.el8_lustre.aarch64.rpm kernel-4.18.0-80.11.2.el8_lustre.aarch64.rpm kernel-devel-4.18.0-80.11.2.el8_lustre.aarch64.rpm kernel-tools-4.18.0-80.11.2.el8_lustre.aarch64.rpm kernel-tools-libs-4.18.0-80.11.2.el8_lustre.aarch64.rpm 2. 重启系统。 1 reboot 3. 查看内核版本。 1 uname -r 1 4.18.0-80.11.2.el8_lustre.aarch64