ublk: rename ublk_rq_task_work_cb as ublk_cmd_tw_cb

The new name is aligned with ublk_cmd_list_tw_cb(), and looks
more readable.

Signed-off-by: Ming Lei <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jens Axboe <[e-mail]>

drivers/block/ublk_drv.c

···
 	ubq_complete_io_cmd(io, UBLK_IO_RES_OK, issue_flags);
 }
 
-static void ublk_rq_task_work_cb(struct io_uring_cmd *cmd,
-				 unsigned int issue_flags)
+static void ublk_cmd_tw_cb(struct io_uring_cmd *cmd,
+			   unsigned int issue_flags)
 {
 	struct ublk_uring_cmd_pdu *pdu = ublk_get_uring_cmd_pdu(cmd);
 	struct ublk_queue *ubq = pdu->ubq;
···
 {
 	struct ublk_io *io = &ubq->ios[rq->tag];
 
-	io_uring_cmd_complete_in_task(io->cmd, ublk_rq_task_work_cb);
+	io_uring_cmd_complete_in_task(io->cmd, ublk_cmd_tw_cb);
 }
 
 static void ublk_cmd_list_tw_cb(struct io_uring_cmd *cmd,