Re: [PATCH 3/5] xfs: allow scrubbers to pause background reclaim

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On Thu, Apr 18, 2019 at 05:21:17PM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> 
> The forthcoming summary counter patch races with regular filesystem
> activity to compute rough expected values for the counters.  This design
> was chosen to avoid having to freeze the entire filesystem to check the
> counters, but while that's running we'd prefer to minimize background
> reclamation activity to reduce the perturbations to the incore free
> block count.  Therefore, provide a way for scrubbers to disable
> background posteof and cowblock reclamation.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

LGTM.

Reviewed-by: Dave Chinner <dchinner@xxxxxxxxxx>
-- 
Dave Chinner
david@xxxxxxxxxxxxx



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