From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:43772) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QPjid-0007zf-BI for qemu-devel@nongnu.org; Thu, 26 May 2011 19:11:56 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QPjic-0007eC-IA for qemu-devel@nongnu.org; Thu, 26 May 2011 19:11:55 -0400 Received: from mail.hq.newdream.net ([66.33.206.127]:48261) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QPjic-0007e1-Bq for qemu-devel@nongnu.org; Thu, 26 May 2011 19:11:54 -0400 From: Josh Durgin Date: Thu, 26 May 2011 16:07:34 -0700 Message-Id: <1306451254-25864-5-git-send-email-josh.durgin@dreamhost.com> In-Reply-To: <1306451254-25864-1-git-send-email-josh.durgin@dreamhost.com> References: <1306451254-25864-1-git-send-email-josh.durgin@dreamhost.com> Subject: [Qemu-devel] [PATCH v6 4/4] rbd: Add bdrv_truncate implementation List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: kvm@vger.kernel.org, qemu-devel@nongnu.orgkvm@vger.kernel.orgqemu-devel@nongnu.org Cc: Kevin Wolf , ceph-devel@vger.kernel.org, Christian Brunner Reviewed-by: Christian Brunner Signed-off-by: Josh Durgin --- 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, -- 1.7.2.3