Merge "Enable system partition compression"

1 files changed, 27 insertions, 0 deletions

diff --git a/f2fs_utils/mkf2fsuserimg.sh b/f2fs_utils/mkf2fsuserimg.sh
index 827594ce..522f9ea4 100755
--- a/f2fs_utils/mkf2fsuserimg.sh
+++ b/f2fs_utils/mkf2fsuserimg.sh
@@ -9,6 +9,11 @@ ${0##*/} OUTPUT_FILE SIZE
          [-S] [-C FS_CONFIG] [-f SRC_DIR] [-D PRODUCT_OUT]
          [-s FILE_CONTEXTS] [-t MOUNT_POINT] [-T TIMESTAMP]
          [-L LABEL] [--prjquota] [--casefold] [--compression]
+         [--sldc <num> [sload compression sub-options]]
+<num>: number of the sload compression args, e.g.  -a LZ4 counts as 2
+       when sload compression args are not given, <num> must be 0,
+       and the default flags will be used.
+Note: must conserve the option order
 EOT
 }
 
@@ -86,10 +91,32 @@ if [[ "$1" == "--casefold" ]]; then
 fi
 
 if [[ "$1" == "--compression" ]]; then
+  COMPRESS_SUPPORT=1
   MKFS_OPTS+=" -O compression,extra_attr"
   shift;
 fi
 
+if [[ "$1" == "--sldc" ]]; then
+  if [ -z "$COMPRESS_SUPPORT" ]; then
+    echo "--sldc needs --compression flag"
+    exit 3
+  fi
+  SLOAD_OPTS+=" -c"
+  shift
+  SLDC_NUM_ARGS=$1
+  case $SLDC_NUM_ARGS in
+    ''|*[!0-9]*)
+      echo "--sldc needs a number"
+      exit 3 ;;
+  esac
+  shift
+  while [ $SLDC_NUM_ARGS -gt 0 ]; do
+    SLOAD_OPTS+=" $1"
+    shift
+    (( SLDC_NUM_ARGS-- ))
+  done
+fi
+
 if [ -z $SIZE ]; then
   echo "Need size of filesystem"
   exit 2