From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57145) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UzOG7-0003Qq-Ac for qemu-devel@nongnu.org; Wed, 17 Jul 2013 05:42:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UzOG4-0007po-OQ for qemu-devel@nongnu.org; Wed, 17 Jul 2013 05:42:55 -0400 Received: from mx1.redhat.com ([209.132.183.28]:20830) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UzOG4-0007pg-Hp for qemu-devel@nongnu.org; Wed, 17 Jul 2013 05:42:52 -0400 Received: from int-mx01.intmail.prod.int.phx2.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id r6H9gp09030178 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Wed, 17 Jul 2013 05:42:52 -0400 From: Fam Zheng Date: Wed, 17 Jul 2013 17:42:09 +0800 Message-Id: <1374054136-28741-5-git-send-email-famz@redhat.com> In-Reply-To: <1374054136-28741-1-git-send-email-famz@redhat.com> References: <1374054136-28741-1-git-send-email-famz@redhat.com> Subject: [Qemu-devel] [PATCH v2 04/11] block: use refcnt for device attach/detach List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, famz@redhat.com, hbrock@redhat.com, rjones@redhat.com, imain@redhat.com, stefanha@redhat.com, pbonzini@redhat.com Signed-off-by: Fam Zheng --- block.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/block.c b/block.c index 7b46669..57a3876 100644 --- a/block.c +++ b/block.c @@ -1622,6 +1622,7 @@ int bdrv_attach_dev(BlockDriverState *bs, void *dev) return -EBUSY; } bs->dev = dev; + bdrv_ref(bs, false); bdrv_iostatus_reset(bs); return 0; } @@ -1639,6 +1640,7 @@ void bdrv_detach_dev(BlockDriverState *bs, void *dev) { assert(bs->dev == dev); bs->dev = NULL; + bdrv_unref(bs, false); bs->dev_ops = NULL; bs->dev_opaque = NULL; bs->buffer_alignment = 512; -- 1.8.3.2