NAK, please dont fiddle with inode counts. change the blocksize or the
default mkfs_ext4 uses.
John
On 12/11/2016 09:26, Bastian Bittorf wrote:
> A rootfs typically has lots of small files, so the default
> counter with 1024 inodes for 16 megabytes partition size can
> be too restrictive and leads to e.g.
>
> root@box:/ touch /etc/config/test
> touch: /etc/config/test: No space left on device
>
> the solution is to just double the amount of inodes
> during image creation, so a 16mb part has 2048 inodes.
>
> see also:
> http://lists.infradead.org/pipermail/lede-dev/2016-November/003977.html
>
> Signed-off-by: Bastian Bittorf <b...@npl.de>
> ---
> include/image.mk | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/include/image.mk b/include/image.mk
> index 8b183ab..e74a71d 100644
> --- a/include/image.mk
> +++ b/include/image.mk
> @@ -239,11 +239,13 @@ define Image/mkfs/ubifs
> -o $@ -d $(call mkfs_target_dir,$(1))
> endef
>
> +# doubles the default inode amount
> +INODES=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*64*2)))
> E2SIZE=$(shell echo $$(($(CONFIG_TARGET_ROOTFS_PARTSIZE)*1024*1024)))
>
> define Image/mkfs/ext4
> $(STAGING_DIR_HOST)/bin/make_ext4fs \
> - -l $(E2SIZE) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
> + -l $(E2SIZE) -i $(INODES) -b $(CONFIG_TARGET_EXT4_BLOCKSIZE) \
> $(if $(CONFIG_TARGET_EXT4_RESERVED_PCT),-m
> $(CONFIG_TARGET_EXT4_RESERVED_PCT)) \
> $(if $(CONFIG_TARGET_EXT4_JOURNAL),,-J) \
> $(if $(SOURCE_DATE_EPOCH),-T $(SOURCE_DATE_EPOCH)) \
>
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