linux-kernel - Re: [f2fs-dev] [PATCH] f2fs: don't skip writeback of quota data

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Message-ID: <2f4207db-57d1-5b66-f1ee-3532feba5d1f@huawei.com>
Date:   Thu, 9 Jul 2020 15:10:58 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     Jaegeuk Kim <jaegeuk@...nel.org>, <linux-kernel@...r.kernel.org>,
        <linux-f2fs-devel@...ts.sourceforge.net>, <kernel-team@...roid.com>
Subject: Re: [f2fs-dev] [PATCH] f2fs: don't skip writeback of quota data

On 2020/7/9 13:30, Jaegeuk Kim wrote:
> It doesn't need to bypass flushing quota data in background.

The condition is used to flush quota data in batch to avoid random
small-sized udpate, did you hit any problem here?

Thanks,

> 
> Signed-off-by: Jaegeuk Kim <jaegeuk@...nel.org>
> ---
>  fs/f2fs/data.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
> index 44645f4f914b6..72e8b50e588c1 100644
> --- a/fs/f2fs/data.c
> +++ b/fs/f2fs/data.c
> @@ -3148,7 +3148,7 @@ static int __f2fs_write_data_pages(struct address_space *mapping,
>  	if (unlikely(is_sbi_flag_set(sbi, SBI_POR_DOING)))
>  		goto skip_write;
>  
> -	if ((S_ISDIR(inode->i_mode) || IS_NOQUOTA(inode)) &&
> +	if (S_ISDIR(inode->i_mode) &&
>  			wbc->sync_mode == WB_SYNC_NONE &&
>  			get_dirty_pages(inode) < nr_pages_to_skip(sbi, DATA) &&
>  			f2fs_available_free_memory(sbi, DIRTY_DENTS))
>