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Re: [PATCH 5/9] xfs: xfs_bioerror can die.

To: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Subject: Re: [PATCH 5/9] xfs: xfs_bioerror can die.
From: Dave Chinner <david@xxxxxxxxxxxxx>
Date: Fri, 29 Aug 2014 11:05:54 +1000
Cc: xfs@xxxxxxxxxxx
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <20140829002825.GE17502@xxxxxxxxxxxxx>
References: <1408084747-4540-1-git-send-email-david@xxxxxxxxxxxxx> <1408084747-4540-6-git-send-email-david@xxxxxxxxxxxxx> <20140829002825.GE17502@xxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Thu, Aug 28, 2014 at 05:28:25PM -0700, Christoph Hellwig wrote:
> On Fri, Aug 15, 2014 at 04:39:03PM +1000, Dave Chinner wrote:
> > Internal buffer write error handling is a mess due to the unnatural
> > split between xfs_bioerror and xfs_bioerror_relse(). The buffer
> > reference counting is also wrong for the xfs_bioerror path for
> > xfs_bwrite - it uses sync IO and so xfs_buf_ioend will release a
> > hold count that was never taken.
> 
> Which seems to be cause by patch 1 in the series, and thus the
> additional hold for the error case should be introduced there.

will fix.

-- 
Dave Chinner
david@xxxxxxxxxxxxx

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