[LEDE-DEV] [PATCH] include: image.mk: ext4: double the default inode counter

[John Crispin]

On 21/11/2016 13:56, John Crispin wrote:
> NAK, please dont fiddle with inode counts. change the blocksize or the
> default mkfs_ext4 uses.
> 
> 	John


https://git.lede-project.org/?p=project/make_ext4fs.git;a=blob;f=make_ext4fs.c#l281

> 
> 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 at 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 <bb at 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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