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-rw-r--r--scripts/gen_build_prop.py10
1 files changed, 9 insertions, 1 deletions
diff --git a/scripts/gen_build_prop.py b/scripts/gen_build_prop.py
index 430e6134a..355f33d6c 100644
--- a/scripts/gen_build_prop.py
+++ b/scripts/gen_build_prop.py
@@ -308,7 +308,15 @@ def append_additional_system_props(args):
props.append(f"ro.sanitize.{sanitize_target}=true")
# Sets the default value of ro.postinstall.fstab.prefix to /system.
- # Device board config should override the value to /product when needed by:
+ #
+ # Device board configs can override this to /product to use a
+ # product-specific fstab.postinstall file (installed to
+ # /product/etc/fstab.postinstall). If not overridden, the
+ # system/extras/cppreopts/fstab.postinstall file (installed to
+ # /system/etc/fstab.postinstall) will be used.
+ # Note: The default fstab.postinstall is generic and may be slower
+ # because it tries different mount options line by line to ensure
+ # compatibility across various devices.
#
# PRODUCT_PRODUCT_PROPERTIES += ro.postinstall.fstab.prefix=/product
#