Re: [PATCH 5/6] xfs: avoid infinite loop when cancelling CoW blocks after writeback failure

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On Sun, Dec 10, 2017 at 06:16:48PM -0800, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> 
> When we're cancelling a cow range, we don't always delete each extent
> that we iterate, so we have to move icur backwards in the list to avoid
> an infinite loop.

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>
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