build_image: add support for specifying number of inodes
Add support for specifying number of inodes when creating
system, vendor, oem partitions. These are all read-only
and have no use for extra inodes. Removing extra inodes
saves a lot of space.
Bug: 32246383
Change-Id: I13f1d4614b64a4abc752c42a1c65d3d151481c21
(cherry picked from commit b59eca358603a4174d4f7c9b70749e7cd0e6f3fe)
diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
index eca379d..1708d86 100755
--- a/tools/releasetools/build_image.py
+++ b/tools/releasetools/build_image.py
@@ -460,6 +460,8 @@
return False
build_command.extend(["-d", base_fs_file])
build_command.extend(["-L", prop_dict["mount_point"]])
+ if "extfs_inode_count" in prop_dict:
+ build_command.extend(["-i", prop_dict["extfs_inode_count"]])
if "selinux_fc" in prop_dict:
build_command.append(prop_dict["selinux_fc"])
elif fs_type.startswith("squash"):
@@ -640,6 +642,7 @@
copy_prop("system_avb_enable", "avb_enable")
copy_prop("system_avb_add_hashtree_footer_args",
"avb_add_hashtree_footer_args")
+ copy_prop("system_extfs_inode_count", "extfs_inode_count")
elif mount_point == "system_other":
# We inherit the selinux policies of /system since we contain some of its files.
d["mount_point"] = "system"
@@ -656,6 +659,7 @@
copy_prop("system_avb_enable", "avb_enable")
copy_prop("system_avb_add_hashtree_footer_args",
"avb_add_hashtree_footer_args")
+ copy_prop("system_extfs_inode_count", "extfs_inode_count")
elif mount_point == "data":
# Copy the generic fs type first, override with specific one if available.
copy_prop("fs_type", "fs_type")
@@ -678,11 +682,13 @@
copy_prop("vendor_avb_enable", "avb_enable")
copy_prop("vendor_avb_add_hashtree_footer_args",
"avb_add_hashtree_footer_args")
+ copy_prop("vendor_extfs_inode_count", "extfs_inode_count")
elif mount_point == "oem":
copy_prop("fs_type", "fs_type")
copy_prop("oem_size", "partition_size")
copy_prop("oem_journal_size", "journal_size")
copy_prop("has_ext4_reserved_blocks", "has_ext4_reserved_blocks")
+ copy_prop("oem_extfs_inode_count", "extfs_inode_count")
d["partition_name"] = mount_point
return d