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authorDave Chinner <dchinner@redhat.com>2011-05-06 02:54:05 +0000
committerAlex Elder <aelder@sgi.com>2011-05-09 12:17:03 -0500
commitea35a20021f8497390d05b93271b4d675516c654 (patch)
treef15c8f3b48b197430c8cac9238a7fccb20414ee1 /drivers
parentb223221956675ce8a7b436d198ced974bb388571 (diff)
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xfs: exit AIL push work correctly when AIL is empty
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@redhat.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Alex Elder <aelder@sgi.com>
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