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Merge "Avoid too much reserved_size for erofs image"

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David Anderson 2021-09-16 19:36:29 +00:00 committed by Gerrit Code Review
commit dfc9d7912f
1 changed files with 17 additions and 6 deletions
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23
tools/releasetools/build_image.py
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@ -231,6 +231,22 @@ def CheckHeadroom(ext4fs_output, prop_dict):
mount_point, total_blocks, used_blocks, headroom_blocks,
adjusted_blocks))
def CalculateSizeAndReserved(prop_dict, size):
fs_type = prop_dict.get("fs_type", "")
partition_headroom = int(prop_dict.get("partition_headroom", 0))
# If not specified, give us 16MB margin for GetDiskUsage error ...
reserved_size = int(prop_dict.get("partition_reserved_size", BYTES_IN_MB * 16))
if fs_type == "erofs":
reserved_size = int(prop_dict.get("partition_reserved_size", 0))
if reserved_size == 0:
# give .3% margin or a minimum size for AVB footer
return max(size * 1003 // 1000, 256 * 1024)
if fs_type.startswith("ext4") and partition_headroom > reserved_size:
reserved_size = partition_headroom
return size + reserved_size
def BuildImageMkfs(in_dir, prop_dict, out_file, target_out, fs_config):
"""Builds a pure image for the files under in_dir and writes it to out_file.
@ -468,12 +484,7 @@ def BuildImage(in_dir, prop_dict, out_file, target_out=None):
size = GetDiskUsage(in_dir)
logger.info(
"The tree size of %s is %d MB.", in_dir, size // BYTES_IN_MB)
# If not specified, give us 16MB margin for GetDiskUsage error ...
reserved_size = int(prop_dict.get("partition_reserved_size", BYTES_IN_MB * 16))
partition_headroom = int(prop_dict.get("partition_headroom", 0))
if fs_type.startswith("ext4") and partition_headroom > reserved_size:
reserved_size = partition_headroom
size += reserved_size
size = CalculateSizeAndReserved(prop_dict, size)
# Round this up to a multiple of 4K so that avbtool works
size = common.RoundUpTo4K(size)
if fs_type.startswith("ext"):