From mboxrd@z Thu Jan 1 00:00:00 1970 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 From: Peter Lieven Date: Thu, 24 Oct 2013 09:46:40 +0200 Message-Id: <1382600811-20043-7-git-send-email-pl@kamp.de> In-Reply-To: <1382600811-20043-1-git-send-email-pl@kamp.de> References: <1382600811-20043-1-git-send-email-pl@kamp.de> Subject: [Qemu-devel] [PATCHv6 06/17] block/iscsi: add .bdrv_get_info List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, stefanha@redhat.com, Peter Lieven , ronniesahlberg@gmail.com, pbonzini@redhat.com 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) -- 1.7.9.5