From nobody Wed Dec 17 21:47:57 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (208.118.235.17 [208.118.235.17]) by mx.zohomail.com with SMTPS id 1520017624201398.86952588607176; Fri, 2 Mar 2018 11:07:04 -0800 (PST) Received: from localhost ([::1]:36927 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1erq1C-0002iS-5J for importer@patchew.org; Fri, 02 Mar 2018 14:06:58 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52498) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1erpq5-0001AF-Iw for qemu-devel@nongnu.org; Fri, 02 Mar 2018 13:55:30 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1erpq4-0002nR-DC for qemu-devel@nongnu.org; Fri, 02 Mar 2018 13:55:29 -0500 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:60094 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1erppy-0002e7-9I; Fri, 02 Mar 2018 13:55:22 -0500 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8A4AD4022909; Fri, 2 Mar 2018 18:55:21 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-117-66.ams2.redhat.com [10.36.117.66]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6C353AB583; Fri, 2 Mar 2018 18:55:20 +0000 (UTC) From: Kevin Wolf To: qemu-block@nongnu.org Date: Fri, 2 Mar 2018 19:54:20 +0100 Message-Id: <20180302185448.6314-10-kwolf@redhat.com> In-Reply-To: <20180302185448.6314-1-kwolf@redhat.com> References: <20180302185448.6314-1-kwolf@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.11.54.5 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Fri, 02 Mar 2018 18:55:21 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Fri, 02 Mar 2018 18:55:21 +0000 (UTC) for IP:'10.11.54.5' DOMAIN:'int-mx05.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'kwolf@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PULL 09/37] null: 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: kwolf@redhat.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Eric Blake We are gradually moving away from sector-based interfaces, towards byte-based. Update the null driver accordingly. Signed-off-by: Eric Blake Reviewed-by: Vladimir Sementsov-Ogievskiy Reviewed-by: Fam Zheng Signed-off-by: Kevin Wolf --- block/null.c | 23 ++++++++++++----------- 1 file changed, 12 insertions(+), 11 deletions(-) diff --git a/block/null.c b/block/null.c index 214d394fff..806a8631e4 100644 --- a/block/null.c +++ b/block/null.c @@ -223,22 +223,23 @@ static int null_reopen_prepare(BDRVReopenState *reope= n_state, return 0; } =20 -static int64_t coroutine_fn null_co_get_block_status(BlockDriverState *bs, - int64_t sector_num, - int nb_sectors, int *= pnum, - BlockDriverState **fi= le) +static int coroutine_fn null_co_block_status(BlockDriverState *bs, + bool want_zero, int64_t offse= t, + int64_t bytes, int64_t *pnum, + int64_t *map, + BlockDriverState **file) { BDRVNullState *s =3D bs->opaque; - off_t start =3D sector_num * BDRV_SECTOR_SIZE; + int ret =3D BDRV_BLOCK_OFFSET_VALID; =20 - *pnum =3D nb_sectors; + *pnum =3D bytes; + *map =3D offset; *file =3D bs; =20 if (s->read_zeroes) { - return BDRV_BLOCK_OFFSET_VALID | start | BDRV_BLOCK_ZERO; - } else { - return BDRV_BLOCK_OFFSET_VALID | start; + ret |=3D BDRV_BLOCK_ZERO; } + return ret; } =20 static void null_refresh_filename(BlockDriverState *bs, QDict *opts) @@ -270,7 +271,7 @@ static BlockDriver bdrv_null_co =3D { .bdrv_co_flush_to_disk =3D null_co_flush, .bdrv_reopen_prepare =3D null_reopen_prepare, =20 - .bdrv_co_get_block_status =3D null_co_get_block_status, + .bdrv_co_block_status =3D null_co_block_status, =20 .bdrv_refresh_filename =3D null_refresh_filename, }; @@ -290,7 +291,7 @@ static BlockDriver bdrv_null_aio =3D { .bdrv_aio_flush =3D null_aio_flush, .bdrv_reopen_prepare =3D null_reopen_prepare, =20 - .bdrv_co_get_block_status =3D null_co_get_block_status, + .bdrv_co_block_status =3D null_co_block_status, =20 .bdrv_refresh_filename =3D null_refresh_filename, }; --=20 2.13.6