From patchwork Sat Nov 17 21:43:50 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 10687627 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4546213BF for ; Sat, 17 Nov 2018 21:44:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 362F02A4E6 for ; Sat, 17 Nov 2018 21:44:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2A6912A4FF; Sat, 17 Nov 2018 21:44:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BA4C82A4E6 for ; Sat, 17 Nov 2018 21:44:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726142AbeKRICK (ORCPT ); Sun, 18 Nov 2018 03:02:10 -0500 Received: from mail-pg1-f196.google.com ([209.85.215.196]:34268 "EHLO mail-pg1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725743AbeKRICJ (ORCPT ); Sun, 18 Nov 2018 03:02:09 -0500 Received: by mail-pg1-f196.google.com with SMTP id 17so11857862pgg.1 for ; Sat, 17 Nov 2018 13:44:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=H55bb8wp7wkS/nESuGn9Ie3eERQNTXp7uDD13Q7fiM4=; b=IEBDpUs3ZNrlI+QMxbKKjqF5obyBGhC6FICFH0YxTzbCDY2blqDM8QzbN9ClXwknAf xTB3H+wHHfLBi3yvs0Dla8zNDTOwTQF2HebNcN8RYnnGZiIqM03rTv8cvl4EIyHkuBZC Ad48j9lTCfIrZzOVXrLueB2yhbAL4ES/zgGeoleywE/oboBgoLCyx3hYLuQACTp89aZp zAP8vOthvXk/oKiMShcxLMY4RxcxFjFfRFRiz7yfM/m4IqZCz3EF07Kg22nd1ZEEU66U 3aYvUINUJ0RUkXstFfhCFFF5TTDqBCUi4e2v6tupiWMvPIUCA9TSHqYW1KRs069ZrwS7 jn3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=H55bb8wp7wkS/nESuGn9Ie3eERQNTXp7uDD13Q7fiM4=; b=ViHyWbZdvtL6D+wFZQJRurn00n76Qp2QwXdwiyjkszBYK7FTaVQfbLkPTcWVGJX2u1 hkeGnHHBdWAnJ42IwFaHyGdhCCEH7vZ0F4HZKcCJ/bnRoRGDPSBWBvlaMAoEwn7Qrv3e jKrZykbVPZs0gvhXqr+/crIPbA0Ad3aYbSkpxm+7EyjrhqKypSdE03fbVBWogRs1oOkf ctsaQNAX1Ms2AG3j7DccrV6KZKFJh6X+6GmI+SG5pAfcNW1W63KVoqZsqQNE4QNJjmWJ zTDtvZp7hNr8Wi9ySWR4HsAm0yH5l1XlGHB4wPXhEtIlFTOJJJVvOTahkUmciQEls3wW lUYw== X-Gm-Message-State: AA+aEWa16+amlVDiUJK+LxcBc2iEPae9YKCciJw9RPruiFFaM82ewW0/ P8oOlOJwVwTvtt/7vAZqz+TeM1schOc= X-Google-Smtp-Source: AJdET5cRg8RS/2biv1j/tjlkYMhCvUHjAFZbZfddtB3ivj8B+ABFPwQmIMFN43yZl1LlhP0mNldEXw== X-Received: by 2002:a62:9657:: with SMTP id c84mr3040385pfe.77.1542491045738; Sat, 17 Nov 2018 13:44:05 -0800 (PST) Received: from x1.localdomain (66.29.188.166.static.utbb.net. [66.29.188.166]) by smtp.gmail.com with ESMTPSA id o84sm29006501pfi.172.2018.11.17.13.44.03 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 17 Nov 2018 13:44:04 -0800 (PST) From: Jens Axboe To: linux-block@vger.kernel.org, linux-nvme@lists.infradead.org Cc: Jens Axboe Subject: [PATCH 3/7] nvme-fc: remove unused poll implementation Date: Sat, 17 Nov 2018 14:43:50 -0700 Message-Id: <20181117214354.822-4-axboe@kernel.dk> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20181117214354.822-1-axboe@kernel.dk> References: <20181117214354.822-1-axboe@kernel.dk> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This relies on the fc taget ops setting ->poll_queue, which nobody does. Otherwise it just checks if something has completed, which isn't very useful. Signed-off-by: Jens Axboe Reviewed-by: Christoph Hellwig Reviewed-by:  James Smart --- drivers/nvme/host/fc.c | 33 --------------------------------- 1 file changed, 33 deletions(-) diff --git a/drivers/nvme/host/fc.c b/drivers/nvme/host/fc.c index 98c3c77f48f6..de797c641265 100644 --- a/drivers/nvme/host/fc.c +++ b/drivers/nvme/host/fc.c @@ -2302,38 +2302,6 @@ nvme_fc_queue_rq(struct blk_mq_hw_ctx *hctx, return nvme_fc_start_fcp_op(ctrl, queue, op, data_len, io_dir); } -static struct blk_mq_tags * -nvme_fc_tagset(struct nvme_fc_queue *queue) -{ - if (queue->qnum == 0) - return queue->ctrl->admin_tag_set.tags[queue->qnum]; - - return queue->ctrl->tag_set.tags[queue->qnum - 1]; -} - -static int -nvme_fc_poll(struct blk_mq_hw_ctx *hctx, unsigned int tag) - -{ - struct nvme_fc_queue *queue = hctx->driver_data; - struct nvme_fc_ctrl *ctrl = queue->ctrl; - struct request *req; - struct nvme_fc_fcp_op *op; - - req = blk_mq_tag_to_rq(nvme_fc_tagset(queue), tag); - if (!req) - return 0; - - op = blk_mq_rq_to_pdu(req); - - if ((atomic_read(&op->state) == FCPOP_STATE_ACTIVE) && - (ctrl->lport->ops->poll_queue)) - ctrl->lport->ops->poll_queue(&ctrl->lport->localport, - queue->lldd_handle); - - return ((atomic_read(&op->state) != FCPOP_STATE_ACTIVE)); -} - static void nvme_fc_submit_async_event(struct nvme_ctrl *arg) { @@ -2404,7 +2372,6 @@ static const struct blk_mq_ops nvme_fc_mq_ops = { .init_request = nvme_fc_init_request, .exit_request = nvme_fc_exit_request, .init_hctx = nvme_fc_init_hctx, - .poll = nvme_fc_poll, .timeout = nvme_fc_timeout, };