Message ID | 20200114105921.131880-4-stefanha@redhat.com |
---|---|
State | New |
Headers | show
Return-Path: <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=<UNKNOWN>) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=F+kCV2S1; dkim-atps=neutral Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 47xnZp1fghz9sP6 for <incoming@patchwork.ozlabs.org>; Tue, 14 Jan 2020 22:01:38 +1100 (AEDT) Received: from localhost ([::1]:36858 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>) id 1irJx1-0007zF-Is for incoming@patchwork.ozlabs.org; Tue, 14 Jan 2020 06:01:35 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:47495) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from <stefanha@redhat.com>) id 1irJvZ-0007uj-GP for qemu-devel@nongnu.org; Tue, 14 Jan 2020 06:00:10 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from <stefanha@redhat.com>) id 1irJvV-0006IB-Je for qemu-devel@nongnu.org; Tue, 14 Jan 2020 06:00:05 -0500 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:31360 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from <stefanha@redhat.com>) id 1irJvV-0006HO-FL for qemu-devel@nongnu.org; Tue, 14 Jan 2020 06:00:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1578999601; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=SSeF+o79dj546tdyssQpY1m/UU1zuXExvq+5OMwrnZc=; b=F+kCV2S1VD/NdvXCriJgKOfOJ6PIIZIZes/rAqALqOVcWuZotvBujAg32ctSZ1loejrj3w 7kjkIEhFDaeWkaLt1hrOdnyJwW2TLhVXjyBj09DLEIUlGhe7L36jDYOSu4w02qM6kJ7xiL 5OiSBAIwLMY+2VnUwMEq9i6Za80OI8I= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-299-Cdo8aiMCPSK3kpbbiTS2eA-1; Tue, 14 Jan 2020 05:59:59 -0500 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id F2E5A800A02; Tue, 14 Jan 2020 10:59:57 +0000 (UTC) Received: from localhost (unknown [10.36.118.18]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7A8327C456; Tue, 14 Jan 2020 10:59:50 +0000 (UTC) From: Stefan Hajnoczi <stefanha@redhat.com> To: qemu-devel@nongnu.org Subject: [PATCH v4 03/15] block/block: add BDRV flag for io_uring Date: Tue, 14 Jan 2020 10:59:09 +0000 Message-Id: <20200114105921.131880-4-stefanha@redhat.com> In-Reply-To: <20200114105921.131880-1-stefanha@redhat.com> References: <20200114105921.131880-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-MC-Unique: Cdo8aiMCPSK3kpbbiTS2eA-1 X-Mimecast-Spam-Score: 0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: <qemu-devel.nongnu.org> List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe> List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel> List-Post: <mailto:qemu-devel@nongnu.org> List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help> List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>, <mailto:qemu-devel-request@nongnu.org?subject=subscribe> Cc: Kevin Wolf <kwolf@redhat.com>, Fam Zheng <fam@euphon.net>, Maxim Levitsky <maximlevitsky@gmail.com>, qemu-block@nongnu.org, oleksandr@redhat.com, Julia Suvorova <jusual@redhat.com>, Markus Armbruster <armbru@redhat.com>, Max Reitz <mreitz@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, Aarushi Mehta <mehta.aaru20@gmail.com>, Stefano Garzarella <sgarzare@redhat.com> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> |
Series |
io_uring: add Linux io_uring AIO engine
|
expand
|
diff --git a/include/block/block.h b/include/block/block.h index e9dcfef7fa..ea155da45a 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -126,6 +126,7 @@ typedef struct HDGeometry { ignoring the format layer */ #define BDRV_O_NO_IO 0x10000 /* don't initialize for I/O */ #define BDRV_O_AUTO_RDONLY 0x20000 /* degrade to read-only if opening read-write fails */ +#define BDRV_O_IO_URING 0x40000 /* use io_uring instead of the thread pool */ #define BDRV_O_CACHE_MASK (BDRV_O_NOCACHE | BDRV_O_NO_FLUSH)