dm snapshot: optimize track_chunk

[firefly-linux-kernel-4.4.55.git] / drivers / md / dm-table.c

diff --git a/drivers/md/dm-table.c b/drivers/md/dm-table.c
index 100368eb7991a50c57e473ea20bf4a8441e91ff0..fa295579003175c7c527f0d609afc921bb6c1e96 100644 (file)
--- a/drivers/md/dm-table.c
+++ b/drivers/md/dm-table.c
@@ -1445,6 +1445,8 @@ void dm_table_set_restrictions(struct dm_table *t, struct request_queue *q,
        else
                queue_flag_clear_unlocked(QUEUE_FLAG_NONROT, q);
 
+       q->limits.max_write_same_sectors = 0;
+
        dm_table_set_integrity(t);
 
        /*