From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52398) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WGyMC-0003EX-A7 for qemu-devel@nongnu.org; Fri, 21 Feb 2014 17:14:13 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WGyM7-0000ib-6J for qemu-devel@nongnu.org; Fri, 21 Feb 2014 17:14:08 -0500 Received: from mx1.redhat.com ([209.132.183.28]:39515) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WGyM6-0000iU-TO for qemu-devel@nongnu.org; Fri, 21 Feb 2014 17:14:03 -0500 Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s1LME24x004771 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Fri, 21 Feb 2014 17:14:02 -0500 From: Kevin Wolf Date: Fri, 21 Feb 2014 23:12:47 +0100 Message-Id: <1393020771-32712-51-git-send-email-kwolf@redhat.com> In-Reply-To: <1393020771-32712-1-git-send-email-kwolf@redhat.com> References: <1393020771-32712-1-git-send-email-kwolf@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PULL 50/54] quorum: Implement recursive .bdrv_recurse_is_first_non_filter in quorum. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com From: Beno=C3=AEt Canet This is used to activate quorum snapshot. Signed-off-by: Benoit Canet Reviewed-by: Max Reitz Signed-off-by: Kevin Wolf --- block/quorum.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/block/quorum.c b/block/quorum.c index 840afda..1b2b56f 100644 --- a/block/quorum.c +++ b/block/quorum.c @@ -655,6 +655,23 @@ static coroutine_fn int quorum_co_flush(BlockDriverS= tate *bs) return result; } =20 +static bool quorum_recurse_is_first_non_filter(BlockDriverState *bs, + BlockDriverState *candida= te) +{ + BDRVQuorumState *s =3D bs->opaque; + int i; + + for (i =3D 0; i < s->num_children; i++) { + bool perm =3D bdrv_recurse_is_first_non_filter(s->bs[i], + candidate); + if (perm) { + return true; + } + } + + return false; +} + static BlockDriver bdrv_quorum =3D { .format_name =3D "quorum", .protocol_name =3D "quorum", @@ -668,6 +685,8 @@ static BlockDriver bdrv_quorum =3D { .bdrv_aio_readv =3D quorum_aio_readv, .bdrv_aio_writev =3D quorum_aio_writev, .bdrv_invalidate_cache =3D quorum_invalidate_cache, + + .bdrv_recurse_is_first_non_filter =3D quorum_recurse_is_first_non_fi= lter, }; =20 static void bdrv_quorum_init(void) --=20 1.8.1.4