[Buildroot] [PATCH v3 07/11] fs/ext2: add option to specify block size

[Arnout Vandecappelle]

On 04-07-17 00:51, Samuel Martin wrote:
> From: "Yann E. MORIN" <yann.morin.1998 at free.fr>
> 
> Signed-off-by: "Yann E. MORIN" <yann.morin.1998 at free.fr>
> Signed-off-by: Samuel Martin <s.martin49 at gmail.com>
> 
> ---
> changes v2->v3:
> - reintroduce change from Yann' series
> ---
>  fs/ext2/Config.in | 28 ++++++++++++++++++++++++++--
>  fs/ext2/ext2.mk   |  2 +-
>  2 files changed, 27 insertions(+), 3 deletions(-)
> 
> diff --git a/fs/ext2/Config.in b/fs/ext2/Config.in
> index 09ec87786f..627294e17f 100644
> --- a/fs/ext2/Config.in
> +++ b/fs/ext2/Config.in
> @@ -44,12 +44,36 @@ config BR2_TARGET_ROOTFS_EXT2_REV
>  config BR2_TARGET_ROOTFS_EXT2_LABEL
>  	string "filesystem label"
>  
> -# 61440 = 60MB, i.e usually small enough to fit on a 64MB media
> +choice
> +	bool "block size"
> +	help
> +	  The size, in bytes, of a block.
> +
> +config BR2_TARGET_ROOTFS_EXT2_BLOCK_1024
> +	bool "1024"
> +
> +config BR2_TARGET_ROOTFS_EXT2_BLOCK_2048
> +	bool "2048"
> +
> +config BR2_TARGET_ROOTFS_EXT2_BLOCK_4096
> +	bool "4096"
> +
> +endchoice
> +
> +config BR2_TARGET_ROOTFS_EXT2_BLOCK_SIZE
> +	int
> +	default 1024 if BR2_TARGET_ROOTFS_EXT2_BLOCK_1024
> +	default 2048 if BR2_TARGET_ROOTFS_EXT2_BLOCK_2048
> +	default 4096 if BR2_TARGET_ROOTFS_EXT2_BLOCK_4096
> +
> +# 61440 block od 1024 bytes = 60MB, i.e usually small enough to fit
                 ^^of

 With that:

Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout at mind.be>

 Regards,
 Arnout

> +# on a 64MB media
>  config BR2_TARGET_ROOTFS_EXT2_BLOCKS
>  	int "exact size in blocks"
>  	default 61440
>  	help
> -	  Specify the file system size as a number of 1024-byte blocks.
> +	  Specify the file system size as a number of blocks, which
> +	  size is specified above.
>  
>  config BR2_TARGET_ROOTFS_EXT2_INODES
>  	int "exact number of inodes (leave at 0 for auto calculation)"
> diff --git a/fs/ext2/ext2.mk b/fs/ext2/ext2.mk
> index 0d5fc7f118..ec49caa3a5 100644
> --- a/fs/ext2/ext2.mk
> +++ b/fs/ext2/ext2.mk
> @@ -12,7 +12,7 @@ EXT2_LABEL := $(subst ",,$(BR2_TARGET_ROOTFS_EXT2_LABEL))
>  EXT2_OPTS = \
>  	-G $(BR2_TARGET_ROOTFS_EXT2_GEN) \
>  	-R $(BR2_TARGET_ROOTFS_EXT2_REV) \
> -	-B 1024 \
> +	-B $(BR2_TARGET_ROOTFS_EXT2_BLOCK_SIZE) \
>  	-b $(BR2_TARGET_ROOTFS_EXT2_BLOCKS) \
>  	-i $(BR2_TARGET_ROOTFS_EXT2_INODES) \
>  	-I $(BR2_TARGET_ROOTFS_EXT2_EXTRA_INODES) \
> 

-- 
Arnout Vandecappelle                          arnout at mind be
Senior Embedded Software Architect            +32-16-286500
Essensium/Mind                                http://www.mind.be
G.Geenslaan 9, 3001 Leuven, Belgium           BE 872 984 063 RPR Leuven
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