From patchwork Fri Jan 29 19:49:10 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Reitz X-Patchwork-Id: 8167131 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id ED532BEEE5 for ; Fri, 29 Jan 2016 19:50:19 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 28777202FE for ; Fri, 29 Jan 2016 19:50:19 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 74746201B9 for ; Fri, 29 Jan 2016 19:50:18 +0000 (UTC) Received: from localhost ([::1]:36342 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aPF3h-00036W-Ub for patchwork-qemu-devel@patchwork.kernel.org; Fri, 29 Jan 2016 14:50:17 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56792) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aPF2r-00022l-SW for qemu-devel@nongnu.org; Fri, 29 Jan 2016 14:49:26 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aPF2q-0005nD-UN for qemu-devel@nongnu.org; Fri, 29 Jan 2016 14:49:25 -0500 Received: from mx1.redhat.com ([209.132.183.28]:33070) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aPF2n-0005mb-EJ; Fri, 29 Jan 2016 14:49:21 -0500 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (Postfix) with ESMTPS id 063A74C512; Fri, 29 Jan 2016 19:49:20 +0000 (UTC) Received: from localhost (ovpn-116-38.ams2.redhat.com [10.36.116.38]) by int-mx09.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u0TJnIXG032672 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Fri, 29 Jan 2016 14:49:20 -0500 From: Max Reitz To: qemu-block@nongnu.org Date: Fri, 29 Jan 2016 20:49:10 +0100 Message-Id: <1454096953-31773-2-git-send-email-mreitz@redhat.com> In-Reply-To: <1454096953-31773-1-git-send-email-mreitz@redhat.com> References: <1454096953-31773-1-git-send-email-mreitz@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.22 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 209.132.183.28 Cc: Kevin Wolf , Alberto Garcia , qemu-stable , qemu-devel@nongnu.org, Max Reitz , John Snow Subject: [Qemu-devel] [PATCH v4 1/4] block: Add blk_dev_has_tray() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Pull out the check whether a block device has a tray from blk_dev_is_tray_open() into its own function so both attributes (whether there is a tray vs. whether that tray is open) can be queried independently. Cc: qemu-stable Signed-off-by: Max Reitz Reviewed-by: Eric Blake Reviewed-by: Alberto Garcia --- block/block-backend.c | 10 +++++++++- include/block/block_int.h | 1 + 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/block/block-backend.c b/block/block-backend.c index efd6146..a4208f1 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -459,6 +459,14 @@ bool blk_dev_has_removable_media(BlockBackend *blk) } /* + * Does @blk's attached device model have a tray? + */ +bool blk_dev_has_tray(BlockBackend *blk) +{ + return blk->dev_ops && blk->dev_ops->is_tray_open; +} + +/* * Notify @blk's attached device model of a media eject request. * If @force is true, the medium is about to be yanked out forcefully. */ @@ -474,7 +482,7 @@ void blk_dev_eject_request(BlockBackend *blk, bool force) */ bool blk_dev_is_tray_open(BlockBackend *blk) { - if (blk->dev_ops && blk->dev_ops->is_tray_open) { + if (blk_dev_has_tray(blk)) { return blk->dev_ops->is_tray_open(blk->dev_opaque); } return false; diff --git a/include/block/block_int.h b/include/block/block_int.h index 428fa33..ec31df1 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -695,6 +695,7 @@ void blk_set_bs(BlockBackend *blk, BlockDriverState *bs); void blk_dev_change_media_cb(BlockBackend *blk, bool load); bool blk_dev_has_removable_media(BlockBackend *blk); +bool blk_dev_has_tray(BlockBackend *blk); void blk_dev_eject_request(BlockBackend *blk, bool force); bool blk_dev_is_tray_open(BlockBackend *blk); bool blk_dev_is_medium_locked(BlockBackend *blk);