From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 42CD5CD13D1 for ; Mon, 18 Sep 2023 04:13:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239462AbjIREN2 (ORCPT ); Mon, 18 Sep 2023 00:13:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37994 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239221AbjIREM6 (ORCPT ); Mon, 18 Sep 2023 00:12:58 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C582121 for ; Sun, 17 Sep 2023 21:11:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1695010300; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=Ek6c8oKP7WrCCE1Di4TBl2jO8h2lwVhBOJLN+tp+jLk=; b=JNstWIoCi8dQ3DBdbO+ioMgshhXDxaN7lM6glEXtQTXkvNoeEd7a+cHHlJTXNtPKP87812 GkhVYBP9lDTxn/YwbHOy4etBSIQOlU+UVTr7A6Q5us4diCBrIHDldrM/kTvi0Gqu494lHa ejQ+RecFoop4yXvmPVDviVJC0n2o6E0= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-528-0tFN9_eMNoWyqQusowO1og-1; Mon, 18 Sep 2023 00:11:36 -0400 X-MC-Unique: 0tFN9_eMNoWyqQusowO1og-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8FF38945922; Mon, 18 Sep 2023 04:11:36 +0000 (UTC) Received: from localhost (unknown [10.72.120.3]) by smtp.corp.redhat.com (Postfix) with ESMTP id 963F02026D4B; Mon, 18 Sep 2023 04:11:35 +0000 (UTC) From: Ming Lei To: Jens Axboe , linux-block@vger.kernel.org, io-uring@vger.kernel.org Cc: ZiyangZhang , Ming Lei Subject: [PATCH 04/10] ublk: don't get ublk device reference in ublk_abort_queue() Date: Mon, 18 Sep 2023 12:11:00 +0800 Message-Id: <20230918041106.2134250-5-ming.lei@redhat.com> In-Reply-To: <20230918041106.2134250-1-ming.lei@redhat.com> References: <20230918041106.2134250-1-ming.lei@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.4 Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org ublk_abort_queue() is called in ublk_daemon_monitor_work(), in which it is guaranteed that ublk device is live, so no need to get the device reference. Signed-off-by: Ming Lei --- drivers/block/ublk_drv.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index 630ddfe6657b..9b3c0b3dd36e 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -1419,9 +1419,6 @@ static void ublk_abort_queue(struct ublk_device *ub, struct ublk_queue *ubq) { int i; - if (!ublk_get_device(ub)) - return; - for (i = 0; i < ubq->q_depth; i++) { struct ublk_io *io = &ubq->ios[i]; @@ -1437,7 +1434,6 @@ static void ublk_abort_queue(struct ublk_device *ub, struct ublk_queue *ubq) __ublk_fail_req(ubq, io, rq); } } - ublk_put_device(ub); } static void ublk_daemon_monitor_work(struct work_struct *work) -- 2.40.1