[PATCH 2/5] xfs: exit AIL push work correctly when AIL is empty

[Christoph Hellwig]

On Fri, May 06, 2011 at 12:54:05PM +1000, Dave Chinner wrote:
> From: Dave Chinner <dchinner at redhat.com>
> 
> The recent conversion of the xfsaild functionality to a work queue
> introduced a hard-to-hit log space grant hang. The main cause is a
> regression where a work exit path fails to clear the PUSHING state
> and recheck the target correctly.
> 
> Make both exit paths do the same PUSHING bit clearing and target
> checking when the "no more work to be done" condition is hit.
> 
> Signed-off-by: Dave Chinner <dchinner at redhat.com>

Looks good,

Reviewed-by: Christoph Hellwig <hch at lst.de>