Start the cleaning of the log when still full after last clean.
---
 fs/xfs/xfs_log.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

Index: b/fs/xfs/xfs_log.c
===================================================================
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -191,8 +191,10 @@ xlog_grant_head_wake(
 
 	list_for_each_entry(tic, &head->waiters, t_queue) {
 		need_bytes = xlog_ticket_reservation(log, head, tic);
-		if (*free_bytes < need_bytes)
+		if (*free_bytes < need_bytes) {
+			xlog_grant_push_ail(log, need_bytes);
 			return false;
+		}
 
 		*free_bytes -= need_bytes;
 		trace_xfs_log_grant_wake_up(log, tic);