From: Christian Hesse
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
---
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: ${sfs_mode}"
echo " -c Set SquashFS compression type (gzip, lzma, lzo, xz, zstd)"
echo " Default: '${sfs_comp}'"
+ echo " -b 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 ;;