linux-kernel - Re: [f2fs-dev][PATCH 1/2 v2] f2fs: update mtime and ctime in move file range method

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Message-ID: <ZJXqpw2Ckluo+20G@google.com>
Date:   Fri, 23 Jun 2023 11:55:35 -0700
From:   Jaegeuk Kim <jaegeuk@...nel.org>
To:     Yunlei He <heyunlei@...o.com>
Cc:     chao@...nel.org, linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org
Subject: Re: [f2fs-dev][PATCH 1/2 v2] f2fs: update mtime and ctime in move
 file range method

On 06/23, Yunlei He wrote:
> Mtime and ctime stay old value without update after move
> file range ioctl. This patch add time update.
> 
> Signed-off-by: Yunlei He <heyunlei@...o.com>
> ---
> v2:
> -update both src and dst inode
>  fs/f2fs/file.c | 13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
> index cb42d8464ad9..e59fc8faa035 100644
> --- a/fs/f2fs/file.c
> +++ b/fs/f2fs/file.c
> @@ -2886,6 +2886,19 @@ static int f2fs_move_file_range(struct file *file_in, loff_t pos_in,
>  		f2fs_up_write(&F2FS_I(dst)->i_gc_rwsem[WRITE]);
>  out_src:
>  	f2fs_up_write(&F2FS_I(src)->i_gc_rwsem[WRITE]);
> +
> +	if (!ret) {

Applied with minor change like:

	if (ret)
		goto out_unlock;
	...

> +		src->i_mtime = src->i_ctime = current_time(src);
> +		f2fs_mark_inode_dirty_sync(src, false);
> +
> +		if (src != dst) {
> +			dst->i_mtime = dst->i_ctime = current_time(dst);
> +			f2fs_mark_inode_dirty_sync(dst, false);
> +		}
> +
> +		f2fs_update_time(sbi, REQ_TIME);
> +	}
> +
>  out_unlock:
>  	if (src != dst)
>  		inode_unlock(dst);
> -- 
> 2.40.1