dm snapshot: flush disk cache when merging

[linux-2.6.git] / drivers / md / dm-snap-persistent.c

diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c
index 135c2f1fdbfcc95aefb0d842030e71a089e87d30..e4ecadf0548a72c8cca30b169c2feb80a06719b5 100644 (file)
--- a/drivers/md/dm-snap-persistent.c
+++ b/drivers/md/dm-snap-persistent.c
@@ -753,7 +753,7 @@ static int persistent_commit_merge(struct dm_exception_store *store,
        for (i = 0; i < nr_merged; i++)
                clear_exception(ps, ps->current_committed - 1 - i);
 
-       r = area_io(ps, WRITE);
+       r = area_io(ps, WRITE_FLUSH_FUA);
        if (r < 0)
                return r;