mm: thp: set the accessed flag for old pages on access fault

[pandora-kernel.git] / block / blk-tag.c

diff --git a/block/blk-tag.c b/block/blk-tag.c
index e74d6d1..4af6f5c 100644 (file)
--- a/block/blk-tag.c
+++ b/block/blk-tag.c
@@ -282,18 +282,9 @@ EXPORT_SYMBOL(blk_queue_resize_tags);
 void blk_queue_end_tag(struct request_queue *q, struct request *rq)
 {
        struct blk_queue_tag *bqt = q->queue_tags;
-       int tag = rq->tag;
+       unsigned tag = rq->tag; /* negative tags invalid */
 
-       BUG_ON(tag == -1);
-
-       if (unlikely(tag >= bqt->max_depth)) {
-               /*
-                * This can happen after tag depth has been reduced.
-                * But tag shouldn't be larger than real_max_depth.
-                */
-               WARN_ON(tag >= bqt->real_max_depth);
-               return;
-       }
+       BUG_ON(tag >= bqt->real_max_depth);
 
        list_del_init(&rq->queuelist);
        rq->cmd_flags &= ~REQ_QUEUED;