From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52771) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WDhxD-0005v0-Ft for qemu-devel@nongnu.org; Wed, 12 Feb 2014 17:06:56 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WDhx5-0002Aj-Tq for qemu-devel@nongnu.org; Wed, 12 Feb 2014 17:06:51 -0500 Received: from paradis.irqsave.net ([62.212.105.220]:49844) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WDhx5-0002A3-DT for qemu-devel@nongnu.org; Wed, 12 Feb 2014 17:06:43 -0500 From: =?UTF-8?q?Beno=C3=AEt=20Canet?= Date: Wed, 12 Feb 2014 23:06:37 +0100 Message-Id: <1392242799-16364-11-git-send-email-benoit.canet@irqsave.net> In-Reply-To: <1392242799-16364-1-git-send-email-benoit.canet@irqsave.net> References: <1392242799-16364-1-git-send-email-benoit.canet@irqsave.net> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Subject: [Qemu-devel] [PATCH V17 10/12] 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, famz@redhat.com, =?UTF-8?q?Beno=C3=AEt=20Canet?= , mreitz@redhat.com, stefanha@redhat.com From: Beno=C3=AEt Canet This is used to activate quorum snapshot. Signed-off-by: Benoit Canet Reviewed-by: Max Reitz --- block/quorum.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/block/quorum.c b/block/quorum.c index 818c72c..8e033ef 100644 --- a/block/quorum.c +++ b/block/quorum.c @@ -660,6 +660,23 @@ 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", @@ -673,6 +690,8 @@ 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 1.8.3.2