build: Add TARGET_ROOTFS_RESERVED_PCT option to reduce wasted space

[openwrt.git] / include / image.mk

diff --git a/include/image.mk b/include/image.mk
index 10850a6..503115d 100644 (file)
--- a/include/image.mk
+++ b/include/image.mk
@@ -124,7 +124,7 @@ ifneq ($(CONFIG_TARGET_ROOTFS_EXT4FS),)
 
   define Image/mkfs/ext4
 # generate an ext2 fs
 
   define Image/mkfs/ext4
 # generate an ext2 fs

-       $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4
+       $(STAGING_DIR_HOST)/bin/genext2fs -U -b $(E2SIZE) -N $(CONFIG_TARGET_ROOTFS_MAXINODE) -d $(TARGET_DIR)/ $(KDIR)/root.ext4 -m $(CONFIG_TARGET_ROOTFS_RESERVED_PCT)

 # convert it to ext4
        $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
 # fix it up
 # convert it to ext4
        $(STAGING_DIR_HOST)/bin/tune2fs -O extents,uninit_bg,dir_index $(KDIR)/root.ext4
 # fix it up