xfs: cleanup xfs_log_space_wake

Remove the now unused opportunistic parameter, and use the the
xlog_writeq_wake and xlog_reserveq_wake helpers now that we don't have
to care about the opportunistic wakeups.

Reviewed-by: Mark Tinguely <tinguely@sgi.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 9d5fc08..1dead07 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -671,7 +671,7 @@
 
 	if (mlip_changed && !XFS_FORCED_SHUTDOWN(ailp->xa_mount)) {
 		xlog_assign_tail_lsn(ailp->xa_mount);
-		xfs_log_space_wake(ailp->xa_mount, false);
+		xfs_log_space_wake(ailp->xa_mount);
 	}
 }
 
@@ -733,7 +733,7 @@
 
 	if (mlip_changed && !XFS_FORCED_SHUTDOWN(ailp->xa_mount)) {
 		xlog_assign_tail_lsn(ailp->xa_mount);
-		xfs_log_space_wake(ailp->xa_mount, false);
+		xfs_log_space_wake(ailp->xa_mount);
 	}
 }