From nobody Tue Feb 10 05:39:57 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=virtuozzo.com ARC-Seal: i=1; a=rsa-sha256; t=1589302641; cv=none; d=zohomail.com; s=zohoarc; b=mCp7KlikaqsA1zYTrmYj+/eBo91ytB68ofwtgidCZLa1rAmU72LsPF+Eka/8LjGuvbpf1SQAwYuyVWyZoDht/iGH1v7uAniDexrRabhl0W226wcc1XGAXkX3v6iwPrMqdiMrPfun9dL6y6wfdAQRlxWeBxQgfFW+xkOkFuoo36E= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1589302641; h=Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:Message-ID:References:Sender:Subject:To; bh=SioYj/k5UHGBORYI7+5QzkFL60dOdXG5APgbxWt39a8=; b=Cv9Vk8u5zZ38uWl8gcOxo7riqD2TS3p8Px71Xwhff8oY5V6Qfq2gDh5CvyEjfOs2VXbW55JRs+ZKDOMj4PXpzfFIAxOyBI6+6TPd3e00FRHDN1injQH4bWZaoXYoAzCpiOj+U1FMtu3MXGPG0psBQ6ICYTZHi9cKC61oGFdolsc= ARC-Authentication-Results: i=1; mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1589302641145173.1355504462059; Tue, 12 May 2020 09:57:21 -0700 (PDT) Received: from localhost ([::1]:60750 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jYYDX-0005oq-S7 for importer@patchew.org; Tue, 12 May 2020 12:57:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52392) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jYY7S-0004nY-Cd; Tue, 12 May 2020 12:51:02 -0400 Received: from relay.sw.ru ([185.231.240.75]:50586) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jYY7P-0001RG-3d; Tue, 12 May 2020 12:51:01 -0400 Received: from dhcp-172-16-25-136.sw.ru ([172.16.25.136] helo=localhost.sw.ru) by relay.sw.ru with esmtp (Exim 4.92.3) (envelope-from ) id 1jYY7D-0004nT-Ca; Tue, 12 May 2020 19:50:47 +0300 From: Andrey Shinkevich To: qemu-block@nongnu.org Subject: [PATCH v4 11/15] copy-on-read: Support preadv/pwritev_part functions Date: Tue, 12 May 2020 19:50:41 +0300 Message-Id: <1589302245-893269-12-git-send-email-andrey.shinkevich@virtuozzo.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1589302245-893269-1-git-send-email-andrey.shinkevich@virtuozzo.com> References: <1589302245-893269-1-git-send-email-andrey.shinkevich@virtuozzo.com> Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=185.231.240.75; envelope-from=andrey.shinkevich@virtuozzo.com; helo=relay.sw.ru X-detected-operating-system: by eggs.gnu.org: First seen = 2020/05/12 10:53:25 X-ACL-Warn: Detected OS = Linux 3.1-3.10 X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: kwolf@redhat.com, fam@euphon.net, vsementsov@virtuozzo.com, armbru@redhat.com, qemu-devel@nongnu.org, stefanha@redhat.com, andrey.shinkevich@virtuozzo.com, den@openvz.org, mreitz@redhat.com, jsnow@redhat.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Add support for the recently introduced functions bdrv_co_preadv_part() and bdrv_co_pwritev_part() to the COR-filter driver. Signed-off-by: Andrey Shinkevich --- block/copy-on-read.c | 28 ++++++++++++++++------------ 1 file changed, 16 insertions(+), 12 deletions(-) diff --git a/block/copy-on-read.c b/block/copy-on-read.c index 74e01ee..4030d56 100644 --- a/block/copy-on-read.c +++ b/block/copy-on-read.c @@ -74,21 +74,25 @@ static int64_t cor_getlength(BlockDriverState *bs) } =20 =20 -static int coroutine_fn cor_co_preadv(BlockDriverState *bs, - uint64_t offset, uint64_t bytes, - QEMUIOVector *qiov, int flags) +static int coroutine_fn cor_co_preadv_part(BlockDriverState *bs, + uint64_t offset, uint64_t bytes, + QEMUIOVector *qiov, + size_t qiov_offset, + int flags) { - return bdrv_co_preadv(bs->file, offset, bytes, qiov, - flags | BDRV_REQ_COPY_ON_READ); + return bdrv_co_preadv_part(bs->file, offset, bytes, qiov, qiov_offset, + flags | BDRV_REQ_COPY_ON_READ); } =20 =20 -static int coroutine_fn cor_co_pwritev(BlockDriverState *bs, - uint64_t offset, uint64_t bytes, - QEMUIOVector *qiov, int flags) +static int coroutine_fn cor_co_pwritev_part(BlockDriverState *bs, + uint64_t offset, + uint64_t bytes, + QEMUIOVector *qiov, + size_t qiov_offset, int flags) { - - return bdrv_co_pwritev(bs->file, offset, bytes, qiov, flags); + return bdrv_co_pwritev_part(bs->file, offset, bytes, qiov, qiov_offset, + flags); } =20 =20 @@ -152,8 +156,8 @@ static BlockDriver bdrv_copy_on_read =3D { =20 .bdrv_getlength =3D cor_getlength, =20 - .bdrv_co_preadv =3D cor_co_preadv, - .bdrv_co_pwritev =3D cor_co_pwritev, + .bdrv_co_preadv_part =3D cor_co_preadv_part, + .bdrv_co_pwritev_part =3D cor_co_pwritev_part, .bdrv_co_pwrite_zeroes =3D cor_co_pwrite_zeroes, .bdrv_co_pdiscard =3D cor_co_pdiscard, .bdrv_co_pwritev_compressed =3D cor_co_pwritev_compressed, --=20 1.8.3.1