On Mon, May 09, 2022 at 08:43:45PM +0800, Xiongwei Song wrote:
> Hi Hsin-Yi and Matthew,
>
> With the patch from the attachment on linux 5.10, ran the command as I
> mentioned earlier,
> got the results below:
> 1:40.65 (1m + 40.65s)
> 1:10.12
> 1:11.10
> 1:11.47
> 1:11.59
> 1:11.94
> 1:11.86
> 1:12.04
> 1:12.21
> 1:12.06
>
> The performance has improved obviously, but compared to linux 4.18, the
> performance is not so good.
>
> Moreover, I wanted to test on linux 5.18. But I think I should revert
> 9eec1d897139 ("squashfs: provide backing_dev_info in order to disable
> read-ahead"),
> right? Otherwise, the patch doesn't work?
I've never seen patch 9eec1d897139 before. If you're going to point
out bugs in my code, at least have the decency to cc me on it. It
should never have gone in, and should be reverted so the problem can
be fixed properly.
