[PATCH v6 10/10] xfs: add background scanning to clear eofblocks inodes

[Dave Chinner]

On Tue, Nov 06, 2012 at 09:50:47AM -0500, Brian Foster wrote:
> Create a new mount workqueue and delayed_work to enable background
> scanning and freeing of eofblocks inodes. The scanner kicks in once
> speculative preallocation occurs and stops requeueing itself when
> no eofblocks inodes exist.
> 
> The scan interval is based on the new
> 'speculative_prealloc_lifetime' tunable (default to 5m). The
> background scanner performs unfiltered, best effort scans (which
> skips inodes under lock contention or with a dirty cache mapping).
> 
> Signed-off-by: Brian Foster <bfoster at redhat.com>

Looks good.

Reviewed-by: Dave Chinner <dchinner at redhat.com>

-- 
Dave Chinner
david at fromorbit.com