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Date:   Tue, 20 Jun 2023 06:33:41 +0100
From:   Matthew Wilcox <willy@infradead.org>
To:     Bean Huo <beanhuo@iokpp.de>
Cc:     viro@zeniv.linux.org.uk, brauner@kernel.org,
        akpm@linux-foundation.org, jack@suse.cz, jack@suse.com,
        tytso@mit.edu, adilger.kernel@dilger.ca, mark@fasheh.com,
        jlbec@evilplan.org, joseph.qi@linux.alibaba.com,
        linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org,
        linux-kernel@vger.kernel.org, ocfs2-devel@oss.oracle.com,
        beanhuo@micron.com
Subject: Re: [PATCH v2 1/5] fs/buffer: clean up block_commit_write
Message-ID: <ZJE6Nf6XmeHIlFJI@casper.infradead.org>
References: <20230619211827.707054-1-beanhuo@iokpp.de>
 <20230619211827.707054-2-beanhuo@iokpp.de>
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On Mon, Jun 19, 2023 at 11:18:23PM +0200, Bean Huo wrote:
> +++ b/fs/buffer.c
> @@ -2116,8 +2116,7 @@ int __block_write_begin(struct page *page, loff_t pos, unsigned len,
>  }
>  EXPORT_SYMBOL(__block_write_begin);
>  
> -static int __block_commit_write(struct inode *inode, struct page *page,
> -		unsigned from, unsigned to)
> +int block_commit_write(struct page *page, unsigned int from, unsigned int to)
>  {
>  	unsigned block_start, block_end;
>  	int partial = 0;

You're going to need to redo these patches, I'm afraid.  A series of
patches I wrote just went in that convert __block_commit_write (but
not block_commit_write) to take a folio instead of a page.