linux-kernel - Re: [PATCH 1/4] f2fs: reset iostat_count in f2fs_reset

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Date:   Wed, 4 Jan 2023 11:20:19 -0800
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     Yangtao Li <frank.li@...o.com>
Cc:     chao@...nel.org, linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] f2fs: reset iostat_count in f2fs_reset_iostat()

Hi Yangtao,

These are all in dev-test branch, which means you don't need to stack up more
patches on top of it. I just integrated most of them into two original patches.
Could you please take a look at this?

c1706cc0cd72 f2fs: add iostat support for flush
acd6f525e01c f2fs: support accounting iostat count and avg_bytes

https://git.kernel.org/pub/scm/linux/kernel/git/jaegeuk/f2fs.git/log/?h=dev-test

Thanks,

On 01/04, Yangtao Li wrote:
> Commit 8754b465c249 ("f2fs: support accounting iostat count and avg_bytes")
> forgot to reset iostat count in f2fs_reset_iostat(), let's fix it.
> 
> Signed-off-by: Yangtao Li <frank.li@...o.com>
> ---
>  fs/f2fs/iostat.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/fs/f2fs/iostat.c b/fs/f2fs/iostat.c
> index c53b62a7ca71..8460989e9bab 100644
> --- a/fs/f2fs/iostat.c
> +++ b/fs/f2fs/iostat.c
> @@ -220,6 +220,7 @@ void f2fs_reset_iostat(struct f2fs_sb_info *sbi)
>  
>  	spin_lock_irq(&sbi->iostat_lock);
>  	for (i = 0; i < NR_IO_TYPE; i++) {
> +		sbi->iostat_count[i] = 0;
>  		sbi->rw_iostat[i] = 0;
>  		sbi->prev_rw_iostat[i] = 0;
>  	}
> -- 
> 2.25.1