From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:36781) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QUJ52-0005eE-Um for qemu-devel@nongnu.org; Wed, 08 Jun 2011 09:46:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QUJ4z-00005l-Dg for qemu-devel@nongnu.org; Wed, 08 Jun 2011 09:45:56 -0400 Received: from mx1.redhat.com ([209.132.183.28]:15553) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QUJ4y-00005H-LW for qemu-devel@nongnu.org; Wed, 08 Jun 2011 09:45:52 -0400 From: Kevin Wolf Date: Wed, 8 Jun 2011 15:48:27 +0200 Message-Id: <1307540910-12398-10-git-send-email-kwolf@redhat.com> In-Reply-To: <1307540910-12398-1-git-send-email-kwolf@redhat.com> References: <1307540910-12398-1-git-send-email-kwolf@redhat.com> Subject: [Qemu-devel] [PATCH 09/12] rbd: Add bdrv_truncate implementation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: anthony@codemonkey.ws Cc: kwolf@redhat.com, qemu-devel@nongnu.org From: Josh Durgin Reviewed-by: Christian Brunner Signed-off-by: Josh Durgin Signed-off-by: Kevin Wolf --- block/rbd.c | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/block/rbd.c b/block/rbd.c index f4da6ab..bdc448a 100644 --- a/block/rbd.c +++ b/block/rbd.c @@ -688,6 +688,19 @@ static int64_t qemu_rbd_getlength(BlockDriverState *bs) return info.size; } +static int qemu_rbd_truncate(BlockDriverState *bs, int64_t offset) +{ + BDRVRBDState *s = bs->opaque; + int r; + + r = rbd_resize(s->image, offset); + if (r < 0) { + return r; + } + + return 0; +} + static int qemu_rbd_snap_create(BlockDriverState *bs, QEMUSnapshotInfo *sn_info) { @@ -784,6 +797,7 @@ static BlockDriver bdrv_rbd = { .bdrv_get_info = qemu_rbd_getinfo, .create_options = qemu_rbd_create_options, .bdrv_getlength = qemu_rbd_getlength, + .bdrv_truncate = qemu_rbd_truncate, .protocol_name = "rbd", .bdrv_aio_readv = qemu_rbd_aio_readv, -- 1.7.5.2