block: add support for blk_mq_end_request_batch()

Instead of calling blk_mq_end_request() on a single request, add a helper
that takes the new struct io_comp_batch and completes any request stored
in there.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

1 files changed, 6 insertions, 0 deletions

diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c
index c43b97201161..b94c3e8ef392 100644
--- a/block/blk-mq-tag.c
+++ b/block/blk-mq-tag.c
@@ -207,6 +207,12 @@ void blk_mq_put_tag(struct blk_mq_tags *tags, struct blk_mq_ctx *ctx,
 	}
 }
 
+void blk_mq_put_tags(struct blk_mq_tags *tags, int *tag_array, int nr_tags)
+{
+	sbitmap_queue_clear_batch(&tags->bitmap_tags, tags->nr_reserved_tags,
+					tag_array, nr_tags);
+}
+
 struct bt_iter_data {
 	struct blk_mq_hw_ctx *hctx;
 	busy_iter_fn *fn;