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x86: image: fix small disk space in squashfs overlay 

Current squashfs snapshot images are improperly padded by just 128k,
which doesn't correspond with TARGET_ROOTFS_PARTSIZE=128 default config
option, leading to following:

 Filesystem                Size      Used Available Use% Mounted on
 /dev/root                 2.5M      2.5M         0 100% /rom
 /dev/loop0               85.0K      9.0K     71.0K  11% /overlay
 overlayfs:/overlay       85.0K      9.0K     71.0K  11% /

Signed-off-by: Petr Štetiar <ynezz@true.cz>
master
Petr Štetiar 2019-03-28 15:05:25 +00:00
parent 438a2c5f4a
commit a17d9482f5
1 changed files with 1 additions and 12 deletions
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13
target/linux/x86/image/Makefile
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@ -93,10 +93,6 @@ ifneq ($(CONFIG_GRUB_IMAGES),)
endef
endif
define Image/Build/squashfs
dd if=/dev/zero bs=128k count=1 >> $(KDIR)/root.squashfs
endef
define Image/Build/iso
$(INSTALL_DIR) $(KDIR)/root.grub/boot/grub $(KDIR)/grub2
$(CP) $(KDIR)/bzImage $(KDIR)/root.grub/boot/vmlinuz
@ -146,14 +142,7 @@ define Image/Build/gzip
gzip -f9n $(BIN_DIR)/$(IMG_ROOTFS)-$(1).img
endef
ifneq ($(CONFIG_TARGET_IMAGES_GZIP),)
define Image/Build/gzip/ext4
$(call Image/Build/gzip,ext4)
endef
define Image/Build/gzip/squashfs
$(call Image/Build/gzip,squashfs)
endef
endif
$(eval $(call Image/gzip-ext4-padded-squashfs))
define Image/BuildKernel
$(CP) $(KDIR)/bzImage $(BIN_DIR)/$(IMG_PREFIX)-vmlinuz