From: Dave Chinner <david@fromorbit.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: xfs@oss.sgi.com
Subject: Re: [PATCH 9/9] xfs: check xfs_buf_read_uncached returns correctly
Date: Sat, 16 Aug 2014 09:58:43 +1000 [thread overview]
Message-ID: <20140815235843.GA26465@dastard> (raw)
In-Reply-To: <20140815125608.GA27856@infradead.org>
On Fri, Aug 15, 2014 at 05:56:08AM -0700, Christoph Hellwig wrote:
> On Fri, Aug 15, 2014 at 04:39:07PM +1000, Dave Chinner wrote:
> > From: Dave Chinner <dchinner@redhat.com>
> >
> > xfs_buf_read_uncached() has two failure modes. If can either return
> > NULL or bp->b_error != 0 depending on the type of failure, and not
> > all callers check for both. Fix it up.
>
> I'd rather get rid of these annoying calling conventions. Make it
> return and errno, and the bp in a pointer argument, with the bp
> never non-NULL in case of error.
Ok. I considered that, then just did the simple thing.
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2014-08-15 23:58 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
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 [this message]
2014-08-29 0:37 ` Christoph Hellwig
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