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Use builtin xz/lzma option to use all cores for multihreaded compression 

This removes the dependency on 'getconf' as well, which is not installed by default on my embedded systems.

Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
master
Koen Kooi 2014-01-10 21:41:43 +01:00 committed by Harald Hoyer
parent 64fb0900cb
commit a76a22b779
1 changed files with 2 additions and 4 deletions
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dracut.sh
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@ -699,14 +699,12 @@ stdloglvl=$((stdloglvl + verbosity_mod_l))
# eliminate IFS hackery when messing with fw_dir
fw_dir=${fw_dir//:/ }

cpu_count=$(getconf _NPROCESSORS_ONLN)

# handle compression options.
[[ $compress ]] || compress="gzip"
case $compress in
bzip2) compress="bzip2 -9";;
lzma) compress="lzma -9 ${cpu_count:+-T$cpu_count}";;
xz) compress="xz --check=crc32 --lzma2=dict=1MiB ${cpu_count:+-T$cpu_count}";;
lzma) compress="lzma -9 -T0";;
xz) compress="xz --check=crc32 --lzma2=dict=1MiB -T0";;
gzip) compress="gzip -9"; command -v pigz > /dev/null 2>&1 && compress="pigz -9";;
lzo) compress="lzop -9";;
lz4) compress="lz4 -9";;