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From: Christoph Hellwig <hch@infradead.org>
To: Dave Chinner <david@fromorbit.com>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 6/9] xfs: kill xfs_bioerror_relse
Date: Thu, 28 Aug 2014 17:32:57 -0700	[thread overview]
Message-ID: <20140829003257.GF17502@infradead.org> (raw)
In-Reply-To: <1408084747-4540-7-git-send-email-david@fromorbit.com>

> index 96c898e..758c07d 100644
> --- a/fs/xfs/xfs_trans_buf.c
> +++ b/fs/xfs/xfs_trans_buf.c
> @@ -324,11 +324,13 @@ xfs_trans_read_buf_map(
>  			 */
>  			if (XFS_FORCED_SHUTDOWN(mp)) {
>  				trace_xfs_bdstrat_shut(bp, _RET_IP_);
> -				xfs_bioerror_relse(bp);
> -			} else {
> -				xfs_buf_iorequest(bp);
> +				bp->b_flags &= ~(XBF_READ | XBF_DONE);
> +				xfs_buf_ioerror(bp, -EIO);
> +				xfs_buf_stale(bp);
> +				return -EIO;
>  			}

This is a large change of behavior as it doesn't hit the error
path after the xfs_buf_iowait anymore.  While I don't think that
that path was entirely correct this version seems to be even less so
by not releasing the buffer reference or forcing the shutdown.

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  reply	other threads:[~2014-08-29  0:33 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-08-15  6:38 [RFC PATCH 0/9] xfs: clean up xfs_buf io interfaces Dave Chinner
2014-08-15  6:38 ` [PATCH 1/9] xfs: synchronous buffer IO needs a reference Dave Chinner
2014-08-15 13:18   ` Brian Foster
2014-08-15 23:17     ` Dave Chinner
2014-08-18 14:15       ` Brian Foster
2014-08-29  0:18   ` Christoph Hellwig
2014-08-15  6:39 ` [PATCH 2/9] xfs: xfs_buf_ioend and xfs_buf_iodone_work duplicate functionality Dave Chinner
2014-08-15 13:18   ` Brian Foster
2014-08-15 23:21     ` Dave Chinner
2014-08-18 14:15       ` Brian Foster
2014-08-29  0:22   ` Christoph Hellwig
2014-08-29  0:55     ` Dave Chinner
2014-08-15  6:39 ` [PATCH 3/9] xfs: rework xfs_buf_bio_endio error handling Dave Chinner
2014-08-15 13:18   ` Brian Foster
2014-08-15 23:25     ` Dave Chinner
2014-08-29  0:23   ` Christoph Hellwig
2014-08-15  6:39 ` [PATCH 4/9] xfs: kill xfs_bdstrat_cb Dave Chinner
2014-08-29  0:24   ` Christoph Hellwig
2014-08-15  6:39 ` [PATCH 5/9] xfs: xfs_bioerror can die Dave Chinner
2014-08-15 14:35   ` Brian Foster
2014-08-15 23:27     ` Dave Chinner
2014-08-29  0:28   ` Christoph Hellwig
2014-08-29  1:05     ` Dave Chinner
2014-08-15  6:39 ` [PATCH 6/9] xfs: kill xfs_bioerror_relse Dave Chinner
2014-08-29  0:32   ` Christoph Hellwig [this message]
2014-08-29  1:12     ` Dave Chinner
2014-08-29 18:26       ` Christoph Hellwig
2014-08-30  0:05         ` Dave Chinner
2014-08-15  6:39 ` [PATCH 7/9] xfs: clean up xfs_trans_buf_read_map Dave Chinner
2014-08-15  6:39 ` [PATCH 8/9] xfs: introduce xfs_buf_submit[_wait] Dave Chinner
2014-08-15 13:10   ` Christoph Hellwig
2014-08-15 23:37     ` Dave Chinner
2014-08-16  4:55       ` Christoph Hellwig
2014-08-15 14:35   ` Brian Foster
2014-08-15 23:39     ` Dave Chinner
2014-08-18 14:16       ` Brian Foster
2014-08-15 16:13   ` Brian Foster
2014-08-15 23:58     ` Dave Chinner
2014-08-18 14:26       ` Brian Foster
2014-08-15  6:39 ` [PATCH 9/9] xfs: check xfs_buf_read_uncached returns correctly Dave Chinner
2014-08-15 12:56   ` Christoph Hellwig
2014-08-15 23:58     ` Dave Chinner
2014-08-29  0:37       ` Christoph Hellwig

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