From d7f6f22bca957cc0a5db13f26c3191cae11ac0c2 Mon Sep 17 00:00:00 2001

From: Koen Kooi <koen@dominion.thruhere.net>

Date: Fri, 10 Jan 2014 21:41:43 +0100

Subject: [PATCH] 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>

---

 dracut.sh | 6 ++----

 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/dracut.sh b/dracut.sh

index 8d572a3..ad57218 100755

--- a/dracut.sh

+++ b/dracut.sh

@@ -695,14 +695,12 @@ 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";;