On Wed, 6 Jul 2022, Yu Kuai wrote:
> From: Yu Kuai <[email protected]>
>
> Test procedures:
>
> 1) format a dm writecache device with 4k blocksize.
> 2) flush cache.
> 3) cache 1G data through write.
> 4) clear stats.
> 5) read 2G data with bs=1m.
> 6) read stats.
>
> Expected result:
> cache hit ratio is 50%.
>
> Test result:
> stats: 0, 1011345, 749201, 0, 263168, 262144, 0, 0, 0, 0, 0, 0, 0, 0
> ratio is 99% (262144/263168)
Hi
Here I'm providing patches that change the dm-writecache counting from
requests to blocks.
Mike, you can queue them for the next merge window.
Mikulas
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