From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40208) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WGxXH-0007AY-DB for qemu-devel@nongnu.org; Fri, 21 Feb 2014 16:21:36 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WGxXA-0000h6-Cf for qemu-devel@nongnu.org; Fri, 21 Feb 2014 16:21:31 -0500 Received: from lnantes-156-75-100-125.w80-12.abo.wanadoo.fr ([80.12.84.125]:58652 helo=paradis.irqsave.net) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WGxXA-0000gM-6c for qemu-devel@nongnu.org; Fri, 21 Feb 2014 16:21:24 -0500 From: =?UTF-8?q?Beno=C3=AEt=20Canet?= Date: Fri, 21 Feb 2014 22:21:19 +0100 Message-Id: <1393017681-12794-11-git-send-email-benoit.canet@irqsave.net> In-Reply-To: <1393017681-12794-1-git-send-email-benoit.canet@irqsave.net> References: <1393017681-12794-1-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 V19 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, =?UTF-8?q?Beno=C3=AEt=20Canet?= , stefanha@redhat.com, mreitz@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 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 1.8.3.2