From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58728) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aLxVi-0007ga-VC for qemu-devel@nongnu.org; Wed, 20 Jan 2016 13:29:40 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aLxVd-0001qO-Mn for qemu-devel@nongnu.org; Wed, 20 Jan 2016 13:29:38 -0500 From: Max Reitz Date: Wed, 20 Jan 2016 19:29:18 +0100 Message-Id: <1453314561-10486-2-git-send-email-mreitz@redhat.com> In-Reply-To: <1453314561-10486-1-git-send-email-mreitz@redhat.com> References: <1453314561-10486-1-git-send-email-mreitz@redhat.com> Subject: [Qemu-devel] [PATCH v2 1/4] block: Add blk_dev_has_tray() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: Kevin Wolf , Peter Maydell , Alberto Garcia , qemu-stable , qemu-devel@nongnu.org, Max Reitz , John Snow , Markus Armbruster 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 e813759..31fe717 100644 --- a/block/block-backend.c +++ b/block/block-backend.c @@ -458,6 +458,14 @@ 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. */ @@ -473,7 +481,7 @@ 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 256609d..14bf022 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -694,6 +694,7 @@ 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); -- 2.7.0