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From: "Darrick J. Wong" <djwong@kernel.org>
To: Christoph Hellwig <hch@lst.de>
Cc: Carlos Maiolino <cem@kernel.org>,
	linux-xfs@vger.kernel.org, Carlos Maiolino <cmaiolino@redhat.com>
Subject: Re: [PATCH 4/6] xfs: remove xfs_buf_ioend
Date: Thu, 25 Jun 2026 11:09:03 -0700	[thread overview]
Message-ID: <20260625180903.GI6078@frogsfrogsfrogs> (raw)
In-Reply-To: <20260625135849.2494779-5-hch@lst.de>

On Thu, Jun 25, 2026 at 03:58:34PM +0200, Christoph Hellwig wrote:
> There are two callers of xfs_buf_ioend, one of which always has the
> XBF_ASYNC flag set.  Open code the logic in both callers to prepare for a
> bug fix.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Reviewed-by: Carlos Maiolino <cmaiolino@redhat.com>

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

--D

> ---
>  fs/xfs/xfs_buf.c | 22 ++++++++--------------
>  1 file changed, 8 insertions(+), 14 deletions(-)
> 
> diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
> index 83c74b5b7e8e..3eea9d9ea829 100644
> --- a/fs/xfs/xfs_buf.c
> +++ b/fs/xfs/xfs_buf.c
> @@ -1146,18 +1146,6 @@ __xfs_buf_ioend(
>  	return true;
>  }
>  
> -static void
> -xfs_buf_ioend(
> -	struct xfs_buf	*bp)
> -{
> -	if (!__xfs_buf_ioend(bp))
> -		return;
> -	if (bp->b_flags & XBF_ASYNC)
> -		xfs_buf_relse(bp);
> -	else
> -		complete(&bp->b_iowait);
> -}
> -
>  static void
>  xfs_buf_ioend_work(
>  	struct work_struct	*work)
> @@ -1207,7 +1195,8 @@ xfs_buf_fail(
>  	bp->b_flags &= ~XBF_DONE;
>  	xfs_buf_stale(bp);
>  	xfs_buf_ioerror(bp, -EIO);
> -	xfs_buf_ioend(bp);
> +	if (__xfs_buf_ioend(bp))
> +		xfs_buf_relse(bp);
>  }
>  
>  int
> @@ -1414,7 +1403,12 @@ xfs_buf_submit(
>  	bp->b_flags &= ~XBF_DONE;
>  	xfs_buf_stale(bp);
>  end_io:
> -	xfs_buf_ioend(bp);
> +	if (!__xfs_buf_ioend(bp))
> +		return;
> +	if (bp->b_flags & XBF_ASYNC)
> +		xfs_buf_relse(bp);
> +	else
> +		complete(&bp->b_iowait);
>  }
>  
>  /*
> -- 
> 2.53.0
> 
> 

  reply	other threads:[~2026-06-25 18:09 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-25 13:58 xfs_buf_submit error handling fix v2 Christoph Hellwig
2026-06-25 13:58 ` [PATCH 1/6] xfs: open code xfs_buf_ioend_fail in xfs_buf_submit Christoph Hellwig
2026-06-25 13:58 ` [PATCH 2/6] xfs: also mark the buffer stale on verifier failure " Christoph Hellwig
2026-06-25 18:00   ` Darrick J. Wong
2026-06-26  4:35     ` Christoph Hellwig
2026-06-26  6:21       ` Darrick J. Wong
2026-06-26  6:23         ` Christoph Hellwig
2026-06-26 14:47           ` Darrick J. Wong
2026-06-25 13:58 ` [PATCH 3/6] xfs: improve the xfs_buf_ioend_fail calling convention Christoph Hellwig
2026-06-25 18:04   ` Darrick J. Wong
2026-06-25 13:58 ` [PATCH 4/6] xfs: remove xfs_buf_ioend Christoph Hellwig
2026-06-25 18:09   ` Darrick J. Wong [this message]
2026-06-25 13:58 ` [PATCH 5/6] xfs: fix handling of synchronous errors in xfs_buf_submit Christoph Hellwig
2026-06-25 18:13   ` Darrick J. Wong
2026-06-26  4:36     ` Christoph Hellwig
2026-06-25 13:58 ` [PATCH 6/6] xfs: simplify __xfs_buf_ioend Christoph Hellwig
2026-06-25 18:30   ` Darrick J. Wong
  -- strict thread matches above, loose matches on Subject: below --
2026-06-22  7:29 xfs_buf_submit error handling fix Christoph Hellwig
2026-06-22  7:30 ` [PATCH 4/6] xfs: remove xfs_buf_ioend Christoph Hellwig
2026-06-22 13:17   ` Carlos Maiolino

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