From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53776) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VmRD8-0003ea-D4 for qemu-devel@nongnu.org; Fri, 29 Nov 2013 11:46:39 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VmRD1-0002nF-I4 for qemu-devel@nongnu.org; Fri, 29 Nov 2013 11:46:34 -0500 Received: from mx1.redhat.com ([209.132.183.28]:1083) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VmRD1-0002n9-A5 for qemu-devel@nongnu.org; Fri, 29 Nov 2013 11:46:27 -0500 From: Kevin Wolf Date: Fri, 29 Nov 2013 17:45:21 +0100 Message-Id: <1385743555-27888-7-git-send-email-kwolf@redhat.com> In-Reply-To: <1385743555-27888-1-git-send-email-kwolf@redhat.com> References: <1385743555-27888-1-git-send-email-kwolf@redhat.com> Subject: [Qemu-devel] [PULL 06/41] block/iscsi: add .bdrv_get_info 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: Peter Lieven Signed-off-by: Peter Lieven Signed-off-by: Stefan Hajnoczi --- block/iscsi.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/block/iscsi.c b/block/iscsi.c index a2d578c..3095887 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) -- 1.8.1.4