From: Christian Hesse <mail@eworm.de> This allows to set squashfs block size. Increasing block size may reduce image size, but add extra I/O and cpu penalty. Signed-off-by: Christian Hesse <mail@eworm.de> --- archiso/mkarchiso | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/archiso/mkarchiso b/archiso/mkarchiso index 567a5af..5c7bc4a 100755 --- a/archiso/mkarchiso +++ b/archiso/mkarchiso @@ -18,6 +18,7 @@ work_dir="work" out_dir="out" sfs_mode="sfs" sfs_comp="xz" +sfs_block_size="128K" gpg_key= # Show an INFO message @@ -95,6 +96,8 @@ _usage () echo " Default: ${sfs_mode}" echo " -c <comp_type> Set SquashFS compression type (gzip, lzma, lzo, xz, zstd)" echo " Default: '${sfs_comp}'" + echo " -b <block_size> Set SquashFS block size" + echo " Default: '${sfs_block_size}'" echo " -v Enable verbose output" echo " -h This message" echo " commands:" @@ -223,9 +226,9 @@ _mkairootfs_img () { mkdir -p "${work_dir}/iso/${install_dir}/${arch}" _msg_info "Creating SquashFS image, this may take some time..." if [[ "${quiet}" = "y" ]]; then - mksquashfs "${work_dir}/airootfs.img" "${work_dir}/iso/${install_dir}/${arch}/airootfs.sfs" -noappend -comp "${sfs_comp}" -no-progress &> /dev/null + mksquashfs "${work_dir}/airootfs.img" "${work_dir}/iso/${install_dir}/${arch}/airootfs.sfs" -noappend -comp "${sfs_comp}" -b "${sfs_block_size}" -no-progress &> /dev/null else - mksquashfs "${work_dir}/airootfs.img" "${work_dir}/iso/${install_dir}/${arch}/airootfs.sfs" -noappend -comp "${sfs_comp}" -no-progress + mksquashfs "${work_dir}/airootfs.img" "${work_dir}/iso/${install_dir}/${arch}/airootfs.sfs" -noappend -comp "${sfs_comp}" -b "${sfs_block_size}" -no-progress fi _msg_info "Done!" rm ${work_dir}/airootfs.img @@ -240,9 +243,9 @@ _mkairootfs_sfs () { mkdir -p "${work_dir}/iso/${install_dir}/${arch}" _msg_info "Creating SquashFS image, this may take some time..." if [[ "${quiet}" = "y" ]]; then - mksquashfs "${work_dir}/airootfs" "${work_dir}/iso/${install_dir}/${arch}/airootfs.sfs" -noappend -comp "${sfs_comp}" -no-progress &> /dev/null + mksquashfs "${work_dir}/airootfs" "${work_dir}/iso/${install_dir}/${arch}/airootfs.sfs" -noappend -comp "${sfs_comp}" -b "${sfs_block_size}" -no-progress &> /dev/null else - mksquashfs "${work_dir}/airootfs" "${work_dir}/iso/${install_dir}/${arch}/airootfs.sfs" -noappend -comp "${sfs_comp}" -no-progress + mksquashfs "${work_dir}/airootfs" "${work_dir}/iso/${install_dir}/${arch}/airootfs.sfs" -noappend -comp "${sfs_comp}" -b "${sfs_block_size}" -no-progress fi _msg_info "Done!" } @@ -369,7 +372,7 @@ fi umask 0022 -while getopts 'p:r:C:L:P:A:D:w:o:s:c:g:vh' arg; do +while getopts 'p:r:C:L:P:A:D:w:o:s:c:b:g:vh' arg; do case "${arg}" in p) pkg_list="${pkg_list} ${OPTARG}" ;; r) run_cmd="${OPTARG}" ;; @@ -382,6 +385,7 @@ while getopts 'p:r:C:L:P:A:D:w:o:s:c:g:vh' arg; do o) out_dir="${OPTARG}" ;; s) sfs_mode="${OPTARG}" ;; c) sfs_comp="${OPTARG}" ;; + b) sfs_block_size="${OPTARG}" ;; g) gpg_key="${OPTARG}" ;; v) quiet="n" ;; h|?) _usage 0 ;;