Pass flash erase & logical block size to mke2fs
This information can be used to tune ext4 stripe and stride in the
userdata partition for better performance
Test: Build & flash userdata, confirm correct stripe & stride values
Bug: 33243520
Merged-In: Ia97cdd2d0239c3484b895fce49299f692ef911d8
Change-Id: Ia97cdd2d0239c3484b895fce49299f692ef911d8
Signed-off-by: Connor O'Brien <connoro@google.com>
diff --git a/tools/releasetools/build_image.py b/tools/releasetools/build_image.py
index 1708d86..73cd07e 100755
--- a/tools/releasetools/build_image.py
+++ b/tools/releasetools/build_image.py
@@ -462,6 +462,10 @@
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 "flash_erase_block_size" in prop_dict:
+ build_command.extend(["-e", prop_dict["flash_erase_block_size"]])
+ if "flash_logical_block_size" in prop_dict:
+ build_command.extend(["-o", prop_dict["flash_logical_block_size"]])
if "selinux_fc" in prop_dict:
build_command.append(prop_dict["selinux_fc"])
elif fs_type.startswith("squash"):
@@ -665,6 +669,8 @@
copy_prop("fs_type", "fs_type")
copy_prop("userdata_fs_type", "fs_type")
copy_prop("userdata_size", "partition_size")
+ copy_prop("flash_logical_block_size","flash_logical_block_size")
+ copy_prop("flash_erase_block_size", "flash_erase_block_size")
elif mount_point == "cache":
copy_prop("cache_fs_type", "fs_type")
copy_prop("cache_size", "partition_size")