From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44655) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WKUo3-0000RT-Hk for qemu-devel@nongnu.org; Mon, 03 Mar 2014 10:29:33 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WKUnv-0005jl-4y for qemu-devel@nongnu.org; Mon, 03 Mar 2014 10:29:27 -0500 Received: from mx1.redhat.com ([209.132.183.28]:27412) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WKUnu-0005jZ-Sv for qemu-devel@nongnu.org; Mon, 03 Mar 2014 10:29:19 -0500 Received: from int-mx12.intmail.prod.int.phx2.redhat.com (int-mx12.intmail.prod.int.phx2.redhat.com [10.5.11.25]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s23FTHOD015208 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK) for ; Mon, 3 Mar 2014 10:29:17 -0500 From: Max Reitz Date: Mon, 3 Mar 2014 16:28:48 +0100 Message-Id: <1393860533-2063-6-git-send-email-mreitz@redhat.com> In-Reply-To: <1393860533-2063-1-git-send-email-mreitz@redhat.com> References: <1393860533-2063-1-git-send-email-mreitz@redhat.com> Subject: [Qemu-devel] [PATCH 05/10] block/json: Add bdrv_co_get_block_status() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Kevin Wolf , Stefan Hajnoczi , Max Reitz Implement this function in the same way as raw_bsd does: Acknowledge that this is a passthrough driver (always return BDRV_BLOCK_OFFSET_VALID and BDRV_BLOCK_DATA and derive the offset directly from the sector index) and add BDRV_BLOCK_RAW to the returned value. Signed-off-by: Max Reitz --- block/json.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/block/json.c b/block/json.c index a2f4691..7392802 100644 --- a/block/json.c +++ b/block/json.c @@ -113,6 +113,14 @@ static coroutine_fn int json_co_write_zeroes(BlockDriverState *bs, return bdrv_co_write_zeroes(bs, sector_num, nb_sectors, flags); } +static coroutine_fn int64_t json_co_get_block_status(BlockDriverState *bs, + int64_t sector_num, + int nb_sectors, int *pnum) +{ + return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID | BDRV_BLOCK_DATA | + (sector_num << BDRV_SECTOR_BITS); +} + static void json_invalidate_cache(BlockDriverState *bs) { return bdrv_invalidate_cache(bs->file); @@ -159,6 +167,7 @@ static BlockDriver bdrv_json = { .bdrv_aio_discard = json_aio_discard, .bdrv_co_write_zeroes = json_co_write_zeroes, + .bdrv_co_get_block_status = json_co_get_block_status, .bdrv_invalidate_cache = json_invalidate_cache, -- 1.9.0