blk-mq: Rename blk_mq_update_tag_set_depth()

The function does not set the depth, but rather transitions from
shared to non-shared queues and vice versa.

So rename it to blk_mq_update_tag_set_shared() to better reflect
its purpose.

[jpg: take out some unrelated changes in blk_mq_init_bitmap_tags()]

Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: John Garry <john.garry@huawei.com>
Tested-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 75031fa1709c98a22b13664c0eac220827230df5..cae46701579c990de305905a296f7def2093892b 100644 (file)
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -2891,8 +2891,8 @@ static void queue_set_hctx_shared(struct request_queue *q, bool shared)
        }
 }
 
-static void blk_mq_update_tag_set_depth(struct blk_mq_tag_set *set,
-                                       bool shared)
+static void blk_mq_update_tag_set_shared(struct blk_mq_tag_set *set,
+                                        bool shared)
 {
        struct request_queue *q;
 
@@ -2915,7 +2915,7 @@ static void blk_mq_del_queue_tag_set(struct request_queue *q)
                /* just transitioned to unshared */
                set->flags &= ~BLK_MQ_F_TAG_QUEUE_SHARED;
                /* update existing queue */
-               blk_mq_update_tag_set_depth(set, false);
+               blk_mq_update_tag_set_shared(set, false);
        }
        mutex_unlock(&set->tag_list_lock);
        INIT_LIST_HEAD(&q->tag_set_list);
@@ -2933,7 +2933,7 @@ static void blk_mq_add_queue_tag_set(struct blk_mq_tag_set *set,
            !(set->flags & BLK_MQ_F_TAG_QUEUE_SHARED)) {
                set->flags |= BLK_MQ_F_TAG_QUEUE_SHARED;
                /* update existing queue */
-               blk_mq_update_tag_set_depth(set, true);
+               blk_mq_update_tag_set_shared(set, true);
        }
        if (set->flags & BLK_MQ_F_TAG_QUEUE_SHARED)
                queue_set_hctx_shared(q, true);