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From: "Darrick J. Wong" <djwong@kernel.org>
To: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: linux-fsdevel@vger.kernel.org,
	Christian Brauner <brauner@kernel.org>,
	linux-xfs@vger.kernel.org
Subject: Re: [PATCH 27/30] iomap: Remove calls to set and clear folio error flag
Date: Thu, 25 Apr 2024 09:55:23 -0700	[thread overview]
Message-ID: <20240425165523.GB360898@frogsfrogsfrogs> (raw)
In-Reply-To: <20240420025029.2166544-28-willy@infradead.org>

On Sat, Apr 20, 2024 at 03:50:22AM +0100, Matthew Wilcox (Oracle) wrote:
> The folio error flag is not checked anywhere, so we can remove the calls
> to set and clear it.
> 
> Cc: Christian Brauner <brauner@kernel.org>
> Cc: Darrick J. Wong <djwong@kernel.org>
> Cc: linux-xfs@vger.kernel.org
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>

Looks fine to me,
Reviewed-by: Darrick J. Wong <djwong@kernel.org>

--D

> ---
>  fs/iomap/buffered-io.c | 8 --------
>  1 file changed, 8 deletions(-)
> 
> diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
> index 4e8e41c8b3c0..41352601f939 100644
> --- a/fs/iomap/buffered-io.c
> +++ b/fs/iomap/buffered-io.c
> @@ -306,8 +306,6 @@ static void iomap_finish_folio_read(struct folio *folio, size_t off,
>  		spin_unlock_irqrestore(&ifs->state_lock, flags);
>  	}
>  
> -	if (error)
> -		folio_set_error(folio);
>  	if (finished)
>  		folio_end_read(folio, uptodate);
>  }
> @@ -460,9 +458,6 @@ int iomap_read_folio(struct folio *folio, const struct iomap_ops *ops)
>  	while ((ret = iomap_iter(&iter, ops)) > 0)
>  		iter.processed = iomap_readpage_iter(&iter, &ctx, 0);
>  
> -	if (ret < 0)
> -		folio_set_error(folio);
> -
>  	if (ctx.bio) {
>  		submit_bio(ctx.bio);
>  		WARN_ON_ONCE(!ctx.cur_folio_in_bio);
> @@ -697,7 +692,6 @@ static int __iomap_write_begin(const struct iomap_iter *iter, loff_t pos,
>  
>  	if (folio_test_uptodate(folio))
>  		return 0;
> -	folio_clear_error(folio);
>  
>  	do {
>  		iomap_adjust_read_range(iter->inode, folio, &block_start,
> @@ -1528,8 +1522,6 @@ iomap_finish_ioend(struct iomap_ioend *ioend, int error)
>  
>  	/* walk all folios in bio, ending page IO on them */
>  	bio_for_each_folio_all(fi, bio) {
> -		if (error)
> -			folio_set_error(fi.folio);
>  		iomap_finish_folio_write(inode, fi.folio, fi.length);
>  		folio_count++;
>  	}
> -- 
> 2.43.0
> 
> 

      parent reply	other threads:[~2024-04-25 16:55 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20240420025029.2166544-1-willy@infradead.org>
2024-04-20  2:50 ` [PATCH 27/30] iomap: Remove calls to set and clear folio error flag Matthew Wilcox (Oracle)
2024-04-22  6:16   ` Christoph Hellwig
2024-04-22 15:05     ` Matthew Wilcox
2024-04-22 15:26       ` Christoph Hellwig
2024-04-22 17:51         ` Matthew Wilcox
2024-04-25 12:23           ` Christoph Hellwig
2024-04-25 12:44             ` Matthew Wilcox
2024-04-25 12:51               ` Christoph Hellwig
2024-04-25 16:47                 ` Darrick J. Wong
2024-04-25 16:55   ` Darrick J. Wong [this message]

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