1DESCRIPTION="extent-mapped journal" 2FS_SIZE=65536 3DUMPE2FS_IGNORE_80COL=1 4export DUMPE2FS_IGNORE_80COL 5MKE2FS_OPTS="-O extents -j" 6. $cmd_dir/run_mke2fs 7unset DUMPE2FS_IGNORE_80COL 8