block: remove unused members for io_context

After removing blk-sq code, there is no user of nr_batch_requests
and last_waited in kernel.

Signed-off-by: Yufen Yu <yuyufen@huawei.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index 1dcd919..0a9dc40 100644 (file)
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -106,12 +106,6 @@ struct io_context {
 
        unsigned short ioprio;
 
-       /*
-        * For request batching
-        */
-       int nr_batch_requests;     /* Number of requests left in the batch */
-       unsigned long last_waited; /* Time last woken after wait for request */
-
        struct radix_tree_root  icq_tree;
        struct io_cq __rcu      *icq_hint;
        struct hlist_head       icq_list;