linux-ext4 - Re: [PATCH 5/6] ocfs2: use filemap_fdatawrite_wbc instead of generic

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Date:   Mon, 2 Jan 2023 13:15:46 +0100
From:   Jan Kara <jack@...e.cz>
To:     Christoph Hellwig <hch@....de>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        Theodore Ts'o <tytso@....edu>, Jan Kara <jack@...e.com>,
        Konstantin Komarov <almaz.alexandrovich@...agon-software.com>,
        Mark Fasheh <mark@...heh.com>,
        Joel Becker <jlbec@...lplan.org>,
        Joseph Qi <joseph.qi@...ux.alibaba.com>,
        "Matthew Wilcox (Oracle)" <willy@...radead.org>,
        linux-ext4@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        ntfs3@...ts.linux.dev, ocfs2-devel@....oracle.com,
        linux-mm@...ck.org
Subject: Re: [PATCH 5/6] ocfs2: use filemap_fdatawrite_wbc instead of
 generic_writepages

On Thu 29-12-22 06:10:30, Christoph Hellwig wrote:
> filemap_fdatawrite_wbc is a fairly thing wrapper around do_writepages,
> and the big difference there is support for cgroup writeback, which
> is not supported by ocfs2, and the potential to use ->writepages instead
> of ->writepage, which ocfs2 does not currently implement but eventually
> should.
> 
> Signed-off-by: Christoph Hellwig <hch@....de>

Looks good. Feel free to add:

Reviewed-by: Jan Kara <jack@...e.cz>

								Honza

> ---
>  fs/ocfs2/journal.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c
> index 59f612684c5178..25d8072ccfce46 100644
> --- a/fs/ocfs2/journal.c
> +++ b/fs/ocfs2/journal.c
> @@ -852,7 +852,7 @@ static int ocfs2_journal_submit_inode_data_buffers(struct jbd2_inode *jinode)
>  		.range_end = jinode->i_dirty_end,
>  	};
>  
> -	return generic_writepages(mapping, &wbc);
> +	return filemap_fdatawrite_wbc(mapping, &wbc);
>  }
>  
>  int ocfs2_journal_init(struct ocfs2_super *osb, int *dirty)
> -- 
> 2.35.1
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR