forked from openkylin/platform_build
am f40a34fd: Merge "Retry adjusting the size computation for reserved blocks."
* commit 'f40a34fd23e737b14067308700b3eef27e42d3b1': Retry adjusting the size computation for reserved blocks.
This commit is contained in:
Tao Bao
Android Git Automerger
commit
541200792b
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@ -701,6 +701,7 @@ $(if $(INTERNAL_USERIMAGES_EXT_VARIANT),$(hide) echo "fs_type=$(INTERNAL_USERIMA
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$(if $(BOARD_SYSTEMIMAGE_PARTITION_SIZE),$(hide) echo "system_size=$(BOARD_SYSTEMIMAGE_PARTITION_SIZE)" >> $(1))
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$(if $(BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "system_fs_type=$(BOARD_SYSTEMIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
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$(if $(BOARD_SYSTEMIMAGE_JOURNAL_SIZE),$(hide) echo "system_journal_size=$(BOARD_SYSTEMIMAGE_JOURNAL_SIZE)" >> $(1))
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$(if $(BOARD_HAS_EXT4_RESERVED_BLOCKS),$(hide) echo "has_ext4_reserved_blocks=$(BOARD_HAS_EXT4_RESERVED_BLOCKS)" >> $(1))
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$(if $(BOARD_USERDATAIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "userdata_fs_type=$(BOARD_USERDATAIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
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$(if $(BOARD_USERDATAIMAGE_PARTITION_SIZE),$(hide) echo "userdata_size=$(BOARD_USERDATAIMAGE_PARTITION_SIZE)" >> $(1))
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$(if $(BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE),$(hide) echo "cache_fs_type=$(BOARD_CACHEIMAGE_FILE_SYSTEM_TYPE)" >> $(1))
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@ -965,7 +966,15 @@ define build-systemimage-target
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$(TARGET_OUT) $(systemimage_intermediates)/system_image_info.txt $(1) \
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|| ( echo "Out of space? the tree size of $(TARGET_OUT) is (MB): " 1>&2 ;\
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du -sm $(TARGET_OUT) 1>&2;\
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echo "The max is $$(( $(BOARD_SYSTEMIMAGE_PARTITION_SIZE) / 1048576 )) MB." 1>&2 ;\
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if [ "$(INTERNAL_USERIMAGES_EXT_VARIANT)" == "ext4" ]; then \
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maxsize=$(BOARD_SYSTEMIMAGE_PARTITION_SIZE); \
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if [ "$(BOARD_HAS_EXT4_RESERVED_BLOCKS)" == "true" ]; then \
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maxsize=$$((maxsize - 4096 * 4096)); \
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fi; \
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echo "The max is $$(( maxsize / 1048576 )) MB." 1>&2 ;\
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else \
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echo "The max is $$(( $(BOARD_SYSTEMIMAGE_PARTITION_SIZE) / 1048576 )) MB." 1>&2 ;\
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fi; \
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mkdir -p $(DIST_DIR); cp $(INSTALLED_FILES_FILE) $(DIST_DIR)/installed-files-rescued.txt; \
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exit 1 )
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endef
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@ -1456,6 +1465,9 @@ endif
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ifdef BOARD_RECOVERYIMAGE_PARTITION_SIZE
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$(hide) echo "recovery_size=$(BOARD_RECOVERYIMAGE_PARTITION_SIZE)" >> $(zip_root)/META/misc_info.txt
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endif
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ifdef BOARD_HAS_EXT4_RESERVED_BLOCKS
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$(hide) echo "has_ext4_reserved_blocks=$(BOARD_HAS_EXT4_RESERVED_BLOCKS)" >> $(zip_root)/META/misc_info.txt
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endif
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ifdef TARGET_RECOVERY_FSTYPE_MOUNT_OPTIONS
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@# TARGET_RECOVERY_FSTYPE_MOUNT_OPTIONS can be empty to indicate that nothing but defaults should be used.
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$(hide) echo "recovery_mount_options=$(TARGET_RECOVERY_FSTYPE_MOUNT_OPTIONS)" >> $(zip_root)/META/misc_info.txt
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@ -22,6 +22,7 @@ Usage: build_image input_directory properties_file output_image_file
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"""
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import os
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import os.path
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import re
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import subprocess
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import sys
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import commands
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@ -31,17 +32,18 @@ import tempfile
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FIXED_SALT = "aee087a5be3b982978c923f566a94613496b417f2af592639bc80d141e34dfe7"
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def RunCommand(cmd):
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""" Echo and run the given command.
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"""Echo and run the given command.
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Args:
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cmd: the command represented as a list of strings.
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Returns:
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The exit code.
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A tuple of the output and the exit code.
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"""
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print "Running: ", " ".join(cmd)
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p = subprocess.Popen(cmd)
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p.communicate()
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return p.returncode
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p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
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output, _ = p.communicate()
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print "%s" % (output.rstrip(),)
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return (output, p.returncode)
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def GetVerityTreeSize(partition_size):
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cmd = "build_verity_tree -s %d"
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@ -142,7 +144,7 @@ def UnsparseImage(sparse_image_path, replace=True):
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else:
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return True, unsparse_image_path
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inflate_command = ["simg2img", sparse_image_path, unsparse_image_path]
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exit_code = RunCommand(inflate_command)
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(_, exit_code) = RunCommand(inflate_command)
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if exit_code != 0:
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os.remove(unsparse_image_path)
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return False, None
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@ -233,11 +235,12 @@ def BuildImage(in_dir, prop_dict, out_file):
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fs_spans_partition = True
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if fs_type.startswith("squash"):
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fs_spans_partition = False
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fs_spans_partition = False
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is_verity_partition = "verity_block_device" in prop_dict
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verity_supported = prop_dict.get("verity") == "true"
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# adjust the partition size to make room for the hashes if this is to be verified
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# Adjust the partition size to make room for the hashes if this is to be
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# verified.
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if verity_supported and is_verity_partition and fs_spans_partition:
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partition_size = int(prop_dict.get("partition_size"))
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adjusted_size = AdjustPartitionSizeForVerity(partition_size)
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@ -294,8 +297,15 @@ def BuildImage(in_dir, prop_dict, out_file):
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staging_system = os.path.join(in_dir, "system")
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shutil.rmtree(staging_system, ignore_errors=True)
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shutil.copytree(origin_in, staging_system, symlinks=True)
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reserved_blocks = prop_dict.get("has_ext4_reserved_blocks") == "true"
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ext4fs_output = None
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try:
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exit_code = RunCommand(build_command)
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if reserved_blocks and fs_type.startswith("ext4"):
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(ext4fs_output, exit_code) = RunCommand(build_command)
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else:
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(_, exit_code) = RunCommand(build_command)
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finally:
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if in_dir != origin_in:
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# Clean up temporary directories and files.
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@ -305,17 +315,42 @@ def BuildImage(in_dir, prop_dict, out_file):
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if exit_code != 0:
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return False
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# Bug: 21522719, 22023465
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# There are some reserved blocks on ext4 FS (lesser of 4096 blocks and 2%).
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# We need to deduct those blocks from the available space, since they are
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# not writable even with root privilege. It only affects devices using
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# file-based OTA and a kernel version of 3.10 or greater (currently just
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# sprout).
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if reserved_blocks and fs_type.startswith("ext4"):
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assert ext4fs_output is not None
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ext4fs_stats = re.compile(
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r'Created filesystem with .* (?P<used_blocks>[0-9]+)/'
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r'(?P<total_blocks>[0-9]+) blocks')
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m = ext4fs_stats.match(ext4fs_output.strip().split('\n')[-1])
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used_blocks = int(m.groupdict().get('used_blocks'))
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total_blocks = int(m.groupdict().get('total_blocks'))
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reserved_blocks = min(4096, int(total_blocks * 0.02))
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adjusted_blocks = total_blocks - reserved_blocks
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if used_blocks > adjusted_blocks:
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mount_point = prop_dict.get("mount_point")
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print("Error: Not enough room on %s (total: %d blocks, used: %d blocks, "
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"reserved: %d blocks, available: %d blocks)" % (
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mount_point, total_blocks, used_blocks, reserved_blocks,
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adjusted_blocks))
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return False
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if not fs_spans_partition:
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mount_point = prop_dict.get("mount_point")
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partition_size = int(prop_dict.get("partition_size"))
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image_size = os.stat(out_file).st_size
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if image_size > partition_size:
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print "Error: %s image size of %d is larger than partition size of %d" % (mount_point, image_size, partition_size)
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return False
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print("Error: %s image size of %d is larger than partition size of "
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"%d" % (mount_point, image_size, partition_size))
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return False
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if verity_supported and is_verity_partition:
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if 2 * image_size - AdjustPartitionSizeForVerity(image_size) > partition_size:
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print "Error: No more room on %s to fit verity data" % mount_point
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return False
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if 2 * image_size - AdjustPartitionSizeForVerity(image_size) > partition_size:
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print "Error: No more room on %s to fit verity data" % mount_point
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return False
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prop_dict["original_partition_size"] = prop_dict["partition_size"]
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prop_dict["partition_size"] = str(image_size)
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@ -331,7 +366,7 @@ def BuildImage(in_dir, prop_dict, out_file):
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# Run e2fsck on the inflated image file
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e2fsck_command = ["e2fsck", "-f", "-n", unsparse_image]
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exit_code = RunCommand(e2fsck_command)
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(_, exit_code) = RunCommand(e2fsck_command)
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os.remove(unsparse_image)
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@ -378,6 +413,7 @@ def ImagePropFromGlobalDict(glob_dict, mount_point):
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copy_prop("system_verity_block_device", "verity_block_device")
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copy_prop("system_root_image", "system_root_image")
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copy_prop("ramdisk_dir", "ramdisk_dir")
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copy_prop("has_ext4_reserved_blocks", "has_ext4_reserved_blocks")
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elif mount_point == "data":
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# Copy the generic fs type first, override with specific one if available.
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copy_prop("fs_type", "fs_type")
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@ -391,10 +427,12 @@ def ImagePropFromGlobalDict(glob_dict, mount_point):
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copy_prop("vendor_size", "partition_size")
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copy_prop("vendor_journal_size", "journal_size")
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copy_prop("vendor_verity_block_device", "verity_block_device")
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copy_prop("has_ext4_reserved_blocks", "has_ext4_reserved_blocks")
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elif mount_point == "oem":
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copy_prop("fs_type", "fs_type")
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copy_prop("oem_size", "partition_size")
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copy_prop("oem_journal_size", "journal_size")
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copy_prop("has_ext4_reserved_blocks", "has_ext4_reserved_blocks")
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return d
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@ -424,7 +462,8 @@ def main(argv):
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glob_dict = LoadGlobalDict(glob_dict_file)
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if "mount_point" in glob_dict:
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# The caller knows the mount point and provides a dictionay needed by BuildImage().
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# The caller knows the mount point and provides a dictionay needed by
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# BuildImage().
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image_properties = glob_dict
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else:
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image_filename = os.path.basename(out_file)
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