Merge branch 'for-3.16/core' into for-3.16/drivers

Pull in core changes (again), since we got rid of the alloc/free
hctx mq_ops hooks and mtip32xx then needed updating again.

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

1 files changed, 1 insertions, 27 deletions

diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 5a8081114df6..77087a29b127 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -321,18 +321,6 @@ static int null_queue_rq(struct blk_mq_hw_ctx *hctx, struct request *rq)
         return BLK_MQ_RQ_QUEUE_OK;
 }
 
-static struct blk_mq_hw_ctx *null_alloc_hctx(struct blk_mq_tag_set *set,
-                                             unsigned int hctx_index,
-                                             int node)
-{
-        return kzalloc_node(sizeof(struct blk_mq_hw_ctx), GFP_KERNEL, node);
-}
-
-static void null_free_hctx(struct blk_mq_hw_ctx *hctx, unsigned int hctx_index)
-{
-        kfree(hctx);
-}
-
 static void null_init_queue(struct nullb *nullb, struct nullb_queue *nq)
 {
         BUG_ON(!nullb);
@@ -360,17 +348,6 @@ static struct blk_mq_ops null_mq_ops = {
         .map_queue      = blk_mq_map_queue,
         .init_hctx      = null_init_hctx,
         .complete       = null_softirq_done_fn,
-        .alloc_hctx     = blk_mq_alloc_single_hw_queue,
-        .free_hctx      = blk_mq_free_single_hw_queue,
-};
-
-static struct blk_mq_ops null_mq_ops_pernode = {
-        .queue_rq       = null_queue_rq,
-        .map_queue      = blk_mq_map_queue,
-        .init_hctx      = null_init_hctx,
-        .complete       = null_softirq_done_fn,
-        .alloc_hctx     = null_alloc_hctx,
-        .free_hctx      = null_free_hctx,
 };
 
 static void null_del_dev(struct nullb *nullb)
@@ -496,10 +473,7 @@ static int null_add_dev(void)
                 goto out_free_nullb;
 
         if (queue_mode == NULL_Q_MQ) {
-                if (use_per_node_hctx)
-                        nullb->tag_set.ops = &null_mq_ops_pernode;
-                else
-                        nullb->tag_set.ops = &null_mq_ops;
+                nullb->tag_set.ops = &null_mq_ops;
                 nullb->tag_set.nr_hw_queues = submit_queues;
                 nullb->tag_set.queue_depth = hw_queue_depth;
                 nullb->tag_set.numa_node = home_node;