geninitrd-lzma.patch

   1 Index: geninitrd
   2 ===================================================================
   3 --- geninitrd   (wersja 10524)
   4 +++ geninitrd   (kopia robocza)
   5 @@ -47,7 +47,7 @@
   6         uname_r=$(uname -r)
   7         echo "usage: $PROGRAM [--version] [-v] [-f] [--ifneeded] [--preload <module>]"
   8         echo "       [--with=<module>] [--image-version] [--fstab=<fstab>] [--nocompress]"
   9 -       echo "       [--compress=yes|lzma|bzip2|gzip]"
  10 +       echo "       [--compress=yes|xz|lzma|bzip2|gzip]"
  11         echo "       [--initrdfs=rom|initramfs|ext2|cram] [--modules-conf=<modules.conf>]"
  12         echo "       [--with-bootsplash] [--without-bootsplash]"
  13         echo "       [--with-fbsplash] [--without-fbsplash]"
  14 @@ -790,7 +790,7 @@
  15  find_compressor() {
  16         local mode="$1"
  17         # the best compressor list
  18 -       local compressors='lzma bzip2 gzip'
  19 +       local compressors='xz lzma bzip2 gzip'
  20
  21         # a specified one, take it
  22         if ! is_yes "$mode"; then
  23 @@ -802,9 +802,13 @@
  24         local c prog map=/boot/System.map-$kernel
  25         for c in $compressors; do
  26                 case $c in
  27 +               xz)
  28 +                       sym=unxz
  29 +                       prog=/usr/bin/xz
  30 +                       ;;
  31                 lzma)
  32                         sym=unlzma
  33 -                       prog=/usr/bin/lzma
  34 +                       prog=/usr/bin/xz
  35                         ;;
  36                 bzip2)
  37                         sym=bzip2
  38 @@ -1327,8 +1331,12 @@
  39         # TODO: the image name (specified from kernel.spec) already contains
  40         # extension, which is .gz most of the time.
  41         case "$compressor" in
  42 +       xz)
  43 +               # don't use -9 here since kernel won't understand it
  44 +               xz --format=xz --check=crc32 --lzma2=preset=6e,dict=1MiB < "$IMAGE" > "$tmp"
  45 +               ;;
  46         lzma)
  47 -               lzma -9 < "$IMAGE" > "$tmp"
  48 +               xz --format=lzma -9 < "$IMAGE" > "$tmp"
  49                 ;;
  50         bzip2)
  51                 bzip2 -9 < "$IMAGE" > "$tmp"