From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:40878) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VHy9l-0005u6-EF for qemu-devel@nongnu.org; Fri, 06 Sep 2013 11:41:15 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VHy9f-0005k3-7w for qemu-devel@nongnu.org; Fri, 06 Sep 2013 11:41:09 -0400 Received: from mx1.redhat.com ([209.132.183.28]:28922) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VHy9e-0005jz-VA for qemu-devel@nongnu.org; Fri, 06 Sep 2013 11:41:03 -0400 From: Stefan Hajnoczi Date: Fri, 6 Sep 2013 17:39:09 +0200 Message-Id: <1378481953-23099-39-git-send-email-stefanha@redhat.com> In-Reply-To: <1378481953-23099-1-git-send-email-stefanha@redhat.com> References: <1378481953-23099-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PULL 38/42] block: add default get_block_status implementation for protocols List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Stefan Hajnoczi , Anthony Liguori From: Paolo Bonzini Protocols return raw data, so you can assume the offsets to pass through unchanged. Reviewed-by: Eric Blake Signed-off-by: Paolo Bonzini Signed-off-by: Stefan Hajnoczi --- block.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/block.c b/block.c index 82bbd6c..3c39769 100644 --- a/block.c +++ b/block.c @@ -3094,7 +3094,11 @@ static int64_t coroutine_fn bdrv_co_get_block_status(BlockDriverState *bs, if (!bs->drv->bdrv_co_get_block_status) { *pnum = nb_sectors; - return BDRV_BLOCK_DATA; + ret = BDRV_BLOCK_DATA; + if (bs->drv->protocol_name) { + ret |= BDRV_BLOCK_OFFSET_VALID | (sector_num * BDRV_SECTOR_SIZE); + } + return ret; } ret = bs->drv->bdrv_co_get_block_status(bs, sector_num, nb_sectors, pnum); -- 1.8.3.1