From patchwork Tue Apr 18 01:33:43 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Blake X-Patchwork-Id: 9684837 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id AA7D8602C2 for ; Tue, 18 Apr 2017 01:51:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 995C926E96 for ; Tue, 18 Apr 2017 01:51:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8B1CA27C0B; Tue, 18 Apr 2017 01:51:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 3468C26E96 for ; Tue, 18 Apr 2017 01:51:05 +0000 (UTC) Received: from localhost ([::1]:39564 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d0IIK-0001CP-BO for patchwork-qemu-devel@patchwork.kernel.org; Mon, 17 Apr 2017 21:51:04 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34247) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1d0I2Y-0005YQ-AX for qemu-devel@nongnu.org; Mon, 17 Apr 2017 21:34:47 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1d0I2X-0003qN-I0 for qemu-devel@nongnu.org; Mon, 17 Apr 2017 21:34:46 -0400 Received: from mx1.redhat.com ([209.132.183.28]:46438) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1d0I2V-0003pE-Dm; Mon, 17 Apr 2017 21:34:43 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5F4D22E607A; Tue, 18 Apr 2017 01:34:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 5F4D22E607A Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx05.extmail.prod.ext.phx2.redhat.com; spf=pass smtp.mailfrom=eblake@redhat.com DKIM-Filter: OpenDKIM Filter v2.11.0 mx1.redhat.com 5F4D22E607A Received: from red.redhat.com (ovpn-121-102.rdu2.redhat.com [10.10.121.102]) by smtp.corp.redhat.com (Postfix) with ESMTP id 50F9C53C35; Tue, 18 Apr 2017 01:34:41 +0000 (UTC) From: Eric Blake To: qemu-devel@nongnu.org Date: Mon, 17 Apr 2017 20:33:43 -0500 Message-Id: <20170418013356.3578-19-eblake@redhat.com> In-Reply-To: <20170418013356.3578-1-eblake@redhat.com> References: <20170418013356.3578-1-eblake@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Tue, 18 Apr 2017 01:34:42 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH 18/31] mirror: Switch to .bdrv_co_block_status() X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , qemu-block@nongnu.org, Jeff Cody , Max Reitz , kwolf@nongnu.org, jsnow@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP We are gradually moving away from sector-based interfaces, towards byte-based. Update the mirror driver accordingly. Signed-off-by: Eric Blake --- block/mirror.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/block/mirror.c b/block/mirror.c index 750be1f..ebd0adf 100644 --- a/block/mirror.c +++ b/block/mirror.c @@ -1027,14 +1027,14 @@ static int coroutine_fn bdrv_mirror_top_flush(BlockDriverState *bs) return bdrv_co_flush(bs->backing->bs); } -static int64_t coroutine_fn bdrv_mirror_top_get_block_status( - BlockDriverState *bs, int64_t sector_num, int nb_sectors, int *pnum, +static int64_t coroutine_fn bdrv_mirror_top_block_status( + BlockDriverState *bs, int64_t offset, int64_t bytes, int64_t *pnum, BlockDriverState **file) { - *pnum = nb_sectors; + *pnum = bytes; *file = bs->backing->bs; return BDRV_BLOCK_RAW | BDRV_BLOCK_OFFSET_VALID | BDRV_BLOCK_DATA | - (sector_num << BDRV_SECTOR_BITS); + (offset & BDRV_BLOCK_OFFSET_MASK); } static int coroutine_fn bdrv_mirror_top_pwrite_zeroes(BlockDriverState *bs, @@ -1083,7 +1083,7 @@ static BlockDriver bdrv_mirror_top = { .bdrv_co_pwrite_zeroes = bdrv_mirror_top_pwrite_zeroes, .bdrv_co_pdiscard = bdrv_mirror_top_pdiscard, .bdrv_co_flush = bdrv_mirror_top_flush, - .bdrv_co_get_block_status = bdrv_mirror_top_get_block_status, + .bdrv_co_block_status = bdrv_mirror_top_block_status, .bdrv_refresh_filename = bdrv_mirror_top_refresh_filename, .bdrv_close = bdrv_mirror_top_close, .bdrv_child_perm = bdrv_mirror_top_child_perm,