Beyond Linux® From Scratch (System V Edition) - Version r11.2-1338

Chapter 5. File Systems and Disk Management

jfsutils-1.1.15

Introduction to jfsutils

The jfsutils package contains administration and debugging tools for the jfs file system.

This package is known to build and work properly using an LFS 11.3 platform.

Package Information

Additional Downloads

User Notes: https://wiki.linuxfromscratch.org/blfs/wiki/jfs

Kernel Configuration

Enable the following option in the kernel configuration and recompile the kernel: 

File systems  --->
  <*/M> JFS filesystem support [CONFIG_JFS_FS]

Installation of jfsutils

First, fix some issues exposed by GCC 10 and later: 

patch -Np1 -i ../jfsutils-1.1.15-gcc10_fix-1.patch

Install jfsutils by running the following commands: 

sed -i "/unistd.h/a#include <sys/types.h>"    fscklog/extract.c &&
sed -i "/ioctl.h/a#include <sys/sysmacros.h>" libfs/devices.c   &&

./configure &&
make

This package does not come with a test suite.

Now, as the root user: 

make install

Command Explanations

sed ...: Fixes building with glibc 2.28.

Contents

Installed Programs: fsck.jfs, jfs_debugfs, jfs_fsck, jfs_fscklog, jfs_logdump, jfs_mkfs, jfs_tune, mkfs.jfs
Installed Libraries: None
Installed Directories: None

Short Descriptions

fsck.jfs

is used to replay the JFS transaction log, check a JFS formatted device for errors, and fix any errors found

jfs_fsck

is a hard link to fsck.jfs

mkfs.jfs

constructs an JFS file system

jfs_mkfs

is a hard link to mkfs.jfs

jfs_debugfs

is a program which can be used to perform various low-level actions on a JFS formatted device

jfs_fscklog

extracts a JFS fsck service log into a file and/or formats and displays the extracted file

jfs_logdump

dumps the contents of the journal log from the specified JFS formatted device into output file ./jfslog.dmp

jfs_tune

adjusts tunable file system parameters on JFS file systems