Move the workqueue used for log I/O completions from struct xfs_mount
to struct xlog to keep it self contained in the log code.
Signed-off-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NDarrick J. Wong <darrick.wong@oracle.com>
[darrick: destroy the log workqueue after ensuring log ios are done]
Signed-off-by: NDarrick J. Wong <darrick.wong@oracle.com>