blk-mq: get rid of unused BLK_MQ_F_SHOULD_SORT flag

We used to use this for determining whether to sort the dispatch list,
but it's unused now.

Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
index eb726b9..a1e31f2 100644 (file)
--- a/include/linux/blk-mq.h
+++ b/include/linux/blk-mq.h
@@ -127,10 +127,9 @@ enum {
        BLK_MQ_RQ_QUEUE_ERROR   = 2,    /* end IO with error */
 
        BLK_MQ_F_SHOULD_MERGE   = 1 << 0,
-       BLK_MQ_F_SHOULD_SORT    = 1 << 1,
-       BLK_MQ_F_TAG_SHARED     = 1 << 2,
-       BLK_MQ_F_SG_MERGE       = 1 << 3,
-       BLK_MQ_F_SYSFS_UP       = 1 << 4,
+       BLK_MQ_F_TAG_SHARED     = 1 << 1,
+       BLK_MQ_F_SG_MERGE       = 1 << 2,
+       BLK_MQ_F_SYSFS_UP       = 1 << 3,
 
        BLK_MQ_S_STOPPED        = 0,
        BLK_MQ_S_TAG_ACTIVE     = 1,