From dea5f0f06b306b786dda5af59f7a4d54afd3c040 Mon Sep 17 00:00:00 2001

From: Alexander Tsoy <alexander@tsoy.me>

Date: Wed, 26 Feb 2014 15:50:17 +0400

Subject: [PATCH] Add legacy flag (-l) to lz4 and update magic number

Linux kernel does not support the new default lz4 format.

https://bugs.gentoo.org/show_bug.cgi?id=502102

---

 dracut.sh   | 2 +-

 lsinitrd.sh | 2 +-

 2 files changed, 2 insertions(+), 2 deletions(-)

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

index 95f18db..a5fcf38 100755

--- a/dracut.sh

+++ b/dracut.sh

@@ -720,7 +720,7 @@ case $compress in

     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";;

+    lz4)   compress="lz4 -l -9";;

 esac

 if [[ $_no_compress_l = "cat" ]]; then

     compress="cat"

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

index 2fbebd8..7b12ab9 100755

--- a/lsinitrd.sh

+++ b/lsinitrd.sh

@@ -178,7 +178,7 @@ CAT=$({

             $'\x71\xc7'*|070701)

                 echo "cat --"

                 ;;

-            $'\x04\x22'*)

+            $'\x02\x21'*)

                 echo "lz4 -d -c"

                 ;;

             *)