am 7bd80ca6: Merge "core: Let the build specify mount options for recovery" into lmp-dev

* commit '7bd80ca6ea2b0c5c39bdb05013fb3d0188fbcfa8':
  core: Let the build specify mount options for recovery
diff --git a/core/Makefile b/core/Makefile
index 0db41c9..b749bac 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -674,6 +674,12 @@
 endif
 endif
 
+# These options tell the recovery updater/installer how to mount the partitions writebale.
+# <fstype>=<fstype_opts>[|<fstype_opts>]...
+# fstype_opts := <opt>[,<opt>]...
+#         opt := <name>[=<value>]
+DEFAULT_TARGET_RECOVERY_FSTYPE_MOUNT_OPTIONS := ext4=match_batch_time=0,commit=1,data=journal,barrier=1,errors=panic,nodelalloc
+
 ifneq (true,$(TARGET_USERIMAGES_SPARSE_EXT_DISABLED))
   INTERNAL_USERIMAGES_SPARSE_EXT_FLAG := -s
 endif
@@ -1396,6 +1402,12 @@
 ifdef BOARD_RECOVERYIMAGE_PARTITION_SIZE
 	$(hide) echo "recovery_size=$(BOARD_RECOVERYIMAGE_PARTITION_SIZE)" >> $(zip_root)/META/misc_info.txt
 endif
+ifdef TARGET_RECOVERY_FSTYPE_MOUNT_OPTIONS
+	@# TARGET_RECOVERY_FSTYPE_MOUNT_OPTIONS can be empty to indicate that nothing but defaults should be used.
+	$(hide) echo "recovery_mount_options=$(TARGET_RECOVERY_FSTYPE_MOUNT_OPTIONS)" >> $(zip_root)/META/misc_info.txt
+else
+	$(hide) echo "recovery_mount_options=$(DEFAULT_TARGET_RECOVERY_FSTYPE_MOUNT_OPTIONS)" >> $(zip_root)/META/misc_info.txt
+endif
 	$(hide) echo "tool_extensions=$(tool_extensions)" >> $(zip_root)/META/misc_info.txt
 	$(hide) echo "default_system_dev_certificate=$(DEFAULT_SYSTEM_DEV_CERTIFICATE)" >> $(zip_root)/META/misc_info.txt
 ifdef PRODUCT_EXTRA_RECOVERY_KEYS