1#!/bin/bash 2# 3# To call this script, make sure make_f2fs is somewhere in PATH 4 5function usage() { 6cat<<EOT 7Usage: 8${0##*/} OUTPUT_FILE SIZE 9 [-S] [-C FS_CONFIG] [-f SRC_DIR] [-D PRODUCT_OUT] 10 [-s FILE_CONTEXTS] [-t MOUNT_POINT] [-T TIMESTAMP] [-B block_map] 11 [-L LABEL] [--prjquota] [--casefold] [--compression] [--readonly] 12 [--sldc <num> [sload compression sub-options]] 13<num>: number of the sload compression args, e.g. -a LZ4 counts as 2 14 when sload compression args are not given, <num> must be 0, 15 and the default flags will be used. 16Note: must conserve the option order 17EOT 18} 19 20echo "in mkf2fsuserimg.sh PATH=$PATH" 21 22MKFS_OPTS="" 23SLOAD_OPTS="" 24BLOCK_MAP_FILE="" 25BLOCK_MAP_OPT="" 26 27if [ $# -lt 2 ]; then 28 usage 29 exit 1 30fi 31 32OUTPUT_FILE=$1 33SIZE=$2 34shift; shift 35 36SPARSE_IMG="false" 37if [[ "$1" == "-S" ]]; then 38 MKFS_OPTS+=" -S $SIZE" 39 SLOAD_OPTS+=" -S" 40 BLOCK_MAP_OPT+=" -S -M" 41 SPARSE_IMG="true" 42 shift 43fi 44 45if [[ "$1" == "-C" ]]; then 46 SLOAD_OPTS+=" -C $2" 47 shift; shift 48fi 49if [[ "$1" == "-f" ]]; then 50 SLOAD_OPTS+=" -f $2" 51 shift; shift 52fi 53if [[ "$1" == "-D" ]]; then 54 SLOAD_OPTS+=" -p $2" 55 shift; shift 56fi 57if [[ "$1" == "-s" ]]; then 58 SLOAD_OPTS+=" -s $2" 59 shift; shift 60fi 61if [[ "$1" == "-t" ]]; then 62 MOUNT_POINT=$2 63 shift; shift 64fi 65 66if [ -z $MOUNT_POINT ]; then 67 echo "Mount point is required" 68 exit 2 69fi 70 71if [[ ${MOUNT_POINT:0:1} != "/" ]]; then 72 MOUNT_POINT="/"$MOUNT_POINT 73fi 74 75SLOAD_OPTS+=" -t $MOUNT_POINT" 76 77if [[ "$1" == "-T" ]]; then 78 SLOAD_OPTS+=" -T $2" 79 shift; shift 80fi 81 82if [[ "$1" == "-B" ]]; then 83 BLOCK_MAP_FILE="$2" 84 shift; shift 85fi 86 87if [[ "$1" == "-L" ]]; then 88 MKFS_OPTS+=" -l $2" 89 shift; shift 90fi 91 92if [[ "$1" == "--prjquota" ]]; then 93 MKFS_OPTS+=" -O project_quota,extra_attr" 94 shift; 95fi 96if [[ "$1" == "--casefold" ]]; then 97 MKFS_OPTS+=" -O casefold -C utf8" 98 shift; 99fi 100 101if [[ "$1" == "--compression" ]]; then 102 COMPRESS_SUPPORT=1 103 MKFS_OPTS+=" -O compression,extra_attr" 104 shift; 105fi 106if [[ "$1" == "--readonly" ]]; then 107 MKFS_OPTS+=" -O ro" 108 READONLY=1 109 shift; 110fi 111 112if [[ "$1" == "--sldc" ]]; then 113 if [ -z "$COMPRESS_SUPPORT" ]; then 114 echo "--sldc needs --compression flag" 115 exit 3 116 fi 117 SLOAD_OPTS+=" -c" 118 shift 119 SLDC_NUM_ARGS=$1 120 case $SLDC_NUM_ARGS in 121 ''|*[!0-9]*) 122 echo "--sldc needs a number" 123 exit 3 ;; 124 esac 125 shift 126 while [ $SLDC_NUM_ARGS -gt 0 ]; do 127 SLOAD_OPTS+=" $1" 128 shift 129 (( SLDC_NUM_ARGS-- )) 130 done 131fi 132 133if [ -z $SIZE ]; then 134 echo "Need size of filesystem" 135 exit 2 136fi 137 138function _truncate() 139{ 140 if [ "$SPARSE_IMG" = "true" ]; then 141 return 142 fi 143 144 TRUNCATE_CMD="truncate -s $SIZE $OUTPUT_FILE" 145 echo $TRUNCATE_CMD 146 $TRUNCATE_CMD 147 if [ $? -ne 0 ]; then 148 exit 3 149 fi 150} 151 152function _build() 153{ 154 MAKE_F2FS_CMD="make_f2fs -g android $MKFS_OPTS $OUTPUT_FILE" 155 echo $MAKE_F2FS_CMD 156 $MAKE_F2FS_CMD 157 if [ $? -ne 0 ]; then 158 if [ "$SPARSE_IMG" = "false" ]; then 159 rm -f $OUTPUT_FILE 160 fi 161 exit 4 162 fi 163 164 SLOAD_F2FS_CMD="sload_f2fs $SLOAD_OPTS $OUTPUT_FILE" 165 echo $SLOAD_F2FS_CMD 166 SLOAD_LOG=`$SLOAD_F2FS_CMD` 167 # allow 1: Filesystem errors corrected 168 ret=$? 169 if [ $ret -ne 0 ] && [ $ret -ne 1 ]; then 170 rm -f $OUTPUT_FILE 171 exit 4 172 fi 173 MB_SIZE=`echo "$SLOAD_LOG" | grep "Max image size" | awk '{print $5}'` 174 SIZE=$(((MB_SIZE + 6) * 1024 * 1024)) 175} 176 177_truncate 178_build 179 180# readonly can reduce the image 181if [ "$READONLY" ]; then 182 if [ "$SPARSE_IMG" = "true" ]; then 183 MKFS_OPTS+=" -S $SIZE" 184 rm -f $OUTPUT_FILE && touch $OUTPUT_FILE 185 fi 186 _truncate 187 _build 188 # build block map 189 if [ "$BLOCK_MAP_FILE" ]; then 190 fsck.f2fs $BLOCK_MAP_OPT $OUTPUT_FILE > $BLOCK_MAP_FILE 191 fi 192fi 193exit 0 194