[PATCHv2] Add legacy flag (-l) to lz4 and update magic number

[PATCHv2] Add legacy flag (-l) to lz4 and update magic number

[Alexander Tsoy]

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 5267af5..49077fd 100755
--- a/dracut.sh
+++ b/dracut.sh
@@ -782,7 +782,7 @@ 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 2c58f84..8dc9032 100755
--- a/lsinitrd.sh
+++ b/lsinitrd.sh
@@ -172,7 +172,7 @@ case $bin in
     $'\x71\xc7'*|070701)
         CAT="cat --"
         ;;
-    $'\x04\x22'*)
+    $'\x02\x21'*)
         CAT="lz4 -d -c";;
     *)
         CAT="xzcat --";
-- 
1.8.3.2

Re: [PATCHv2] Add legacy flag (-l) to lz4 and update magic number

[Harald Hoyer]

On 02/26/2014 12:50 PM, Alexander Tsoy wrote:
> 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 5267af5..49077fd 100755
> --- a/dracut.sh
> +++ b/dracut.sh
> @@ -782,7 +782,7 @@ 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 2c58f84..8dc9032 100755
> --- a/lsinitrd.sh
> +++ b/lsinitrd.sh
> @@ -172,7 +172,7 @@ case $bin in
>      $'\x71\xc7'*|070701)
>          CAT="cat --"
>          ;;
> -    $'\x04\x22'*)
> +    $'\x02\x21'*)
>          CAT="lz4 -d -c";;
>      *)
>          CAT="xzcat --";
> 

Thanks! Pushed