core+tools: support specifying F2FS as the fstype for userdata

- Support TARGET_USERIMAGES_USE_F2FS.
- Support BOARD_USERDATAIMAGE_FILE_SYSTEM_TYPE.
- Support "userdata_fs_type" in the prop dict.
- Update build_image to recognize f2fs and call the correct command.

Change-Id: If31cc8bd235f93a4c7814fab36e6e2d13d3037ad
Signed-off-by: JP Abgrall <jpa@google.com>

core/Makefile

@@ -634,10 +634,15 @@ ifneq (true,$(TARGET_USERIMAGES_SPARSE_EXT_DISABLED))
 endif
 
 ifeq ($(INTERNAL_USERIMAGES_USE_EXT),true)
-INTERNAL_USERIMAGES_DEPS := $(MKEXTUSERIMG) $(MAKE_EXT4FS) $(SIMG2IMG) $(E2FSCK)
+INTERNAL_USERIMAGES_DEPS := $(SIMG2IMG)
+INTERNAL_USERIMAGES_DEPS += $(MKEXTUSERIMG) $(MAKE_EXT4FS) $(E2FSCK)
+ifeq ($(TARGET_USERIMAGES_USE_F2FS),true)
+INTERNAL_USERIMAGES_DEPS += $(MKF2FSUSERIMG) $(MAKE_F2FS)
+endif
 else
 INTERNAL_USERIMAGES_DEPS := $(MKYAFFS2)
 endif
+
 INTERNAL_USERIMAGES_BINARY_PATHS := $(sort $(dir $(INTERNAL_USERIMAGES_DEPS)))
 
 ifeq (true,$(PRODUCTS.$(INTERNAL_PRODUCT).PRODUCT_SUPPORTS_VERITY))
@@ -652,6 +657,7 @@ INTERNAL_USERIMAGES_DEPS += $(SELINUX_FC)
 define generate-userimage-prop-dictionary
 $(if $(INTERNAL_USERIMAGES_EXT_VARIANT),$(hide) echo "fs_type=$(INTERNAL_USERIMAGES_EXT_VARIANT)" >> $(1))
 $(if $(BOARD_SYSTEMIMAGE_PARTITION_SIZE),$(hide) echo "system_size=$(BOARD_SYSTEMIMAGE_PARTITION_SIZE)" >> $(1))
+$(if $(BOARD_USERDATAIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "userdata_fs_type=$(BOARD_USERDATAIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
 $(if $(BOARD_USERDATAIMAGE_PARTITION_SIZE),$(hide) echo "userdata_size=$(BOARD_USERDATAIMAGE_PARTITION_SIZE)" >> $(1))
 $(if $(BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "cache_fs_type=$(BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
 $(if $(BOARD_CACHEIMAGE_PARTITION_SIZE),$(hide) echo "cache_size=$(BOARD_CACHEIMAGE_PARTITION_SIZE)" >> $(1))

core/config.mk

@@ -386,6 +386,8 @@ FS_GET_STATS := $(HOST_OUT_EXECUTABLES)/fs_get_stats$(HOST_EXECUTABLE_SUFFIX)
 MKEXT2IMG := $(HOST_OUT_EXECUTABLES)/genext2fs$(HOST_EXECUTABLE_SUFFIX)
 MAKE_EXT4FS := $(HOST_OUT_EXECUTABLES)/make_ext4fs$(HOST_EXECUTABLE_SUFFIX)
 MKEXTUSERIMG := $(HOST_OUT_EXECUTABLES)/mkuserimg.sh
+MAKE_F2FS := $(HOST_OUT_EXECUTABLES)/make_f2fs$(HOST_EXECUTABLE_SUFFIX)
+MKF2FSUSERIMG := $(HOST_OUT_EXECUTABLES)/mkf2fsuserimg.sh
 MKEXT2BOOTIMG := external/genext2fs/mkbootimg_ext2.sh
 SIMG2IMG := $(HOST_OUT_EXECUTABLES)/simg2img$(HOST_EXECUTABLE_SUFFIX)
 E2FSCK := $(HOST_OUT_EXECUTABLES)/e2fsck$(HOST_EXECUTABLE_SUFFIX)

core/product.mk

@@ -250,6 +250,7 @@ _product_stash_var_list += \
 	BOARD_BOOTIMAGE_PARTITION_SIZE \
 	BOARD_RECOVERYIMAGE_PARTITION_SIZE \
 	BOARD_SYSTEMIMAGE_PARTITION_SIZE \
+	BOARD_USERDATAIMAGE_FILE_SYSTEM_TYPE \
 	BOARD_USERDATAIMAGE_PARTITION_SIZE \
 	BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE \
 	BOARD_CACHEIMAGE_PARTITION_SIZE \

tools/releasetools/build_image.py

@@ -256,6 +256,9 @@ def BuildImage(in_dir, prop_dict, out_file,
       build_command.append(fc_config)
     elif "selinux_fc" in prop_dict:
       build_command.append(prop_dict["selinux_fc"])
+  elif fs_type.startswith("f2fs"):
+    build_command = ["mkf2fsuserimg.sh"]
+    build_command.extend([out_file, prop_dict["partition_size"]])
   else:
     build_command = ["mkyaffs2image", "-f"]
     if prop_dict.get("mkyaffs2_extra_flags", None):
@@ -325,7 +328,9 @@ def ImagePropFromGlobalDict(glob_dict, mount_point):
     copy_prop("fs_type", "fs_type")
     copy_prop("system_size", "partition_size")
   elif mount_point == "data":
+    # Copy the generic fs type first, override with specific one if available.
     copy_prop("fs_type", "fs_type")
+    copy_prop("userdata_fs_type", "fs_type")
     copy_prop("userdata_size", "partition_size")
   elif mount_point == "cache":
     copy_prop("cache_fs_type", "fs_type")

tools/releasetools/common.py

@@ -968,7 +968,8 @@ def ComputeDifferences(diffs):
 
 # map recovery.fstab's fs_types to mount/format "partition types"
 PARTITION_TYPES = { "yaffs2": "MTD", "mtd": "MTD",
-                    "ext4": "EMMC", "emmc": "EMMC" }
+                    "ext4": "EMMC", "emmc": "EMMC",
+                    "f2fs": "EMMC" }
 
 def GetTypeAndDevice(mount_point, info):
   fstab = info["fstab"]