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build_image: Allow disabling custom inode count calculation 

This allows us to skip custom inode count calculation by setting
BOARD_*IMAGE_EXTFS_INODE_COUNT to -1, this will end up letting
mke2fs calculate appropriate inode count on its own.

While build_image only allocates exact number of needed inodes
plus 4% spare with .2% margin, mke2fs will allocate as many
inodes as it thinks is appropriate given the filesystem size.

Change-Id: If03d5edae8378be3b305346176067b01163f6f3d
Signed-off-by: Jprimero15 <jprimero155@gmail.com>
This commit is contained in:
Christian Oder 2020-09-06 14:54:15 +02:00 committed by Joshua Primero
parent 7464623872
commit 5382a0666d
1 changed files with 14 additions and 13 deletions
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27
tools/releasetools/build_image.py
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@ -298,7 +298,7 @@ def BuildImageMkfs(in_dir, prop_dict, out_file, target_out, fs_config):
base_fs_file = ConvertBlockMapToBaseFs(prop_dict["base_fs_file"])
build_command.extend(["-d", base_fs_file])
build_command.extend(["-L", prop_dict["mount_point"]])
if "extfs_inode_count" in prop_dict:
if "extfs_inode_count" in prop_dict and int(prop_dict["extfs_inode_count"]) >= 0:
build_command.extend(["-i", prop_dict["extfs_inode_count"]])
if "extfs_rsv_pct" in prop_dict:
build_command.extend(["-M", prop_dict["extfs_rsv_pct"]])
@ -564,19 +564,20 @@ def BuildImage(in_dir, prop_dict, out_file, target_out=None):
size = common.RoundUpTo4K(size)
else:
size = ((size + block_size - 1) // block_size) * block_size
extfs_inode_count = prop_dict["extfs_inode_count"]
inodes = int(fs_dict.get("Inode count", extfs_inode_count))
inodes -= int(fs_dict.get("Free inodes", "0"))
# add .2% margin or 1 inode, whichever is greater
spare_inodes = inodes * 2 // 1000
min_spare_inodes = 1
if spare_inodes < min_spare_inodes:
spare_inodes = min_spare_inodes
inodes += spare_inodes
prop_dict["extfs_inode_count"] = str(inodes)
if int(prop_dict["extfs_inode_count"]) >= 0:
extfs_inode_count = prop_dict["extfs_inode_count"]
inodes = int(fs_dict.get("Inode count", extfs_inode_count))
inodes -= int(fs_dict.get("Free inodes", "0"))
# add .2% margin or 1 inode, whichever is greater
spare_inodes = inodes * 2 // 1000
min_spare_inodes = 1
if spare_inodes < min_spare_inodes:
spare_inodes = min_spare_inodes
inodes += spare_inodes
prop_dict["extfs_inode_count"] = str(inodes)
logger.info(
"Allocating %d Inodes for %s.", inodes, out_file)
prop_dict["partition_size"] = str(size)
logger.info(
"Allocating %d Inodes for %s.", inodes, out_file)
elif fs_type.startswith("f2fs") and prop_dict.get("f2fs_compress") == "true":
prop_dict["partition_size"] = str(size)
prop_dict["image_size"] = str(size)