[U-Boot] [RFC V2 PATCH 1/3] drivers: block: add block device cache

[Eric Nelson]

On 03/20/2016 06:45 PM, Eric Nelson wrote:
> Add a block device cache to speed up repeated reads of block devices by 
> various filesystems.
> 
...
> 
> Signed-off-by: Eric Nelson <eric at nelint.com>
> ---
>  drivers/block/Makefile      |   1 +
>  drivers/block/cache_block.c | 240 ++++++++++++++++++++++++++++++++++++++++++++
>  include/part.h              |  69 +++++++++++++
>  3 files changed, 310 insertions(+)
>  create mode 100644 drivers/block/cache_block.c
> 
...

> diff --git a/include/part.h b/include/part.h
> index dc8e72e..1ac73dcc 100644
> --- a/include/part.h
> +++ b/include/part.h
> @@ -376,4 +376,73 @@ int gpt_verify_partitions(struct blk_desc *dev_desc,
>  			  gpt_header *gpt_head, gpt_entry **gpt_pte);
>  #endif
>  

I think this stuff now belongs in blk.h instead of part.h:

> +#ifdef CONFIG_BLOCK_CACHE
> +/**
> + * cache_block_read() - attempt to read a set of blocks from cache
> + *
> + * @param iftype - IF_TYPE_x for type of device