From patchwork Thu Oct 24 07:46:40 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Lieven X-Patchwork-Id: 285824 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 9F02B2C00D0 for ; Thu, 24 Oct 2013 19:23:25 +1100 (EST) Received: from localhost ([::1]:53008 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VZFgM-0000Hb-4s for incoming@patchwork.ozlabs.org; Thu, 24 Oct 2013 03:50:14 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49788) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VZFes-0006l9-ME for qemu-devel@nongnu.org; Thu, 24 Oct 2013 03:48:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VZFem-0004T7-Ux for qemu-devel@nongnu.org; Thu, 24 Oct 2013 03:48:42 -0400 Received: from mx.ipv6.kamp.de ([2a02:248:0:51::16]:47701 helo=mx01.kamp.de) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VZFem-0004R9-J5 for qemu-devel@nongnu.org; Thu, 24 Oct 2013 03:48:36 -0400 Received: (qmail 22722 invoked by uid 89); 24 Oct 2013 07:48:35 -0000 Received: from [82.141.1.145] by client-16-kamp (envelope-from , uid 89) with qmail-scanner-2010/03/19-MF (clamdscan: 0.98/18001. hbedv: 8.2.12.132/7.11.109.62. spamassassin: 3.3.1. Clear:RC:1(82.141.1.145):SA:0(-1.2/5.0):. Processed in 1.130963 secs); 24 Oct 2013 07:48:35 -0000 Received: from ns.kamp-intra.net (HELO dns.kamp-intra.net) ([82.141.1.145]) by mx01.kamp.de with SMTP; 24 Oct 2013 07:48:34 -0000 X-GL_Whitelist: yes Received: from lieven-pc.kamp-intra.net (lieven-pc.kamp-intra.net [172.21.12.60]) by dns.kamp-intra.net (Postfix) with ESMTP id 757DD206AD; Thu, 24 Oct 2013 09:46:52 +0200 (CEST) Received: by lieven-pc.kamp-intra.net (Postfix, from userid 1000) id C95C8612C9; Thu, 24 Oct 2013 09:46:57 +0200 (CEST) From: Peter Lieven To: qemu-devel@nongnu.org Date: Thu, 24 Oct 2013 09:46:40 +0200 Message-Id: <1382600811-20043-7-git-send-email-pl@kamp.de> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1382600811-20043-1-git-send-email-pl@kamp.de> References: <1382600811-20043-1-git-send-email-pl@kamp.de> X-detected-operating-system: by eggs.gnu.org: Error: Malformed IPv6 address (bad octet value). X-Received-From: 2a02:248:0:51::16 Cc: kwolf@redhat.com, stefanha@redhat.com, Peter Lieven , ronniesahlberg@gmail.com, pbonzini@redhat.com Subject: [Qemu-devel] [PATCHv6 06/17] block/iscsi: add .bdrv_get_info X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Signed-off-by: Peter Lieven --- block/iscsi.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/block/iscsi.c b/block/iscsi.c index a2a961e..1dbbcad 100644 --- a/block/iscsi.c +++ b/block/iscsi.c @@ -1506,6 +1506,14 @@ out: return ret; } +static int iscsi_get_info(BlockDriverState *bs, BlockDriverInfo *bdi) +{ + IscsiLun *iscsilun = bs->opaque; + bdi->unallocated_blocks_are_zero = !!iscsilun->lbprz; + bdi->can_write_zeroes_with_unmap = iscsilun->lbprz && iscsilun->lbp.lbpws; + return 0; +} + static QEMUOptionParameter iscsi_create_options[] = { { .name = BLOCK_OPT_SIZE, @@ -1527,6 +1535,7 @@ static BlockDriver bdrv_iscsi = { .create_options = iscsi_create_options, .bdrv_getlength = iscsi_getlength, + .bdrv_get_info = iscsi_get_info, .bdrv_truncate = iscsi_truncate, #if defined(LIBISCSI_FEATURE_IOVECTOR)