linux-kernel - Re: [f2fs-dev] [PATCH 2/4] f2fs: relocate f2fs_precache_extents() in f2fs_swap

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Date: Thu, 29 Feb 2024 09:41:42 -0800
From: Daeho Jeong <daeho43@...il.com>
To: Chao Yu <chao@...nel.org>
Cc: jaegeuk@...nel.org, linux-kernel@...r.kernel.org, 
	linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH 2/4] f2fs: relocate f2fs_precache_extents() in f2fs_swap_activate()

Reviewed-by: Daeho Jeong <daehojeong@...gle.com>

Thanks,

On Sun, Feb 25, 2024 at 5:33 PM Chao Yu <chao@...nel.org> wrote:
>
> This patch exchangs position of f2fs_precache_extents() and
> filemap_fdatawrite(), so that f2fs_precache_extents() can load
> extent info after physical addresses of all data are fixed.
>
> Signed-off-by: Chao Yu <chao@...nel.org>
> ---
>  fs/f2fs/data.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
> index 0c728e82d936..bd8674bf1d84 100644
> --- a/fs/f2fs/data.c
> +++ b/fs/f2fs/data.c
> @@ -4045,12 +4045,12 @@ static int f2fs_swap_activate(struct swap_info_struct *sis, struct file *file,
>         if (!f2fs_disable_compressed_file(inode))
>                 return -EINVAL;
>
> -       f2fs_precache_extents(inode);
> -
>         ret = filemap_fdatawrite(inode->i_mapping);
>         if (ret < 0)
>                 return ret;
>
> +       f2fs_precache_extents(inode);
> +
>         ret = check_swap_activate(sis, file, span);
>         if (ret < 0)
>                 return ret;
> --
> 2.40.1
>
>
>
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