From nobody Mon Feb 9 07:23:22 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.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; Authentication-Results: mx.zohomail.com; spf=pass (zoho.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=redhat.com ARC-Seal: i=1; a=rsa-sha256; t=1570450463; cv=none; d=zoho.com; s=zohoarc; b=T4P3KyzH11B7xJJlnMera8ccVDlyfctIF1RHJKXuAWIba0cmQK/9PZlk7tLIievooNapx9VlW+9K3CPgIKmBNiooqHOiu1wsxXnJNqaNS132t037OHm/1+BWAoSf9nzvxEH9g1/7w51pX+Q+qwyyrdXnCTZ8r0X6wKH6gdbmuSk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zoho.com; s=zohoarc; t=1570450463; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To:ARC-Authentication-Results; bh=EKHRsVH93FlMAL5hTy6UcT+tPLftnIbJCIeXapDkCTg=; b=F72+7CkvJqA/VNSIwMoFSc/kpEtgSYQpS2Em7FOZyuj9sqZ5pTrGnSiqBBXMUDLQBm5E3Dwr5S9MXFNCTPeJ30gvmDv41Dzh7jDOnnUOga10XYIJGx+BVG1raWTpQWgpSshF0oIaZ53rug5KklabHFGZxovbIDBxdKYCQgVPlpM= ARC-Authentication-Results: i=1; mx.zoho.com; spf=pass (zoho.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 1570450463811912.6093110708343; Mon, 7 Oct 2019 05:14:23 -0700 (PDT) Received: from localhost ([::1]:43842 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHRu9-0004cJ-VP for importer@patchew.org; Mon, 07 Oct 2019 08:14:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47878) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1iHRpy-00012z-Jg for qemu-devel@nongnu.org; Mon, 07 Oct 2019 08:10:03 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1iHRpx-0003dk-Kv for qemu-devel@nongnu.org; Mon, 07 Oct 2019 08:10:02 -0400 Received: from mx1.redhat.com ([209.132.183.28]:57532) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1iHRpv-0003cQ-Hu; Mon, 07 Oct 2019 08:09:59 -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 B91D42113; Mon, 7 Oct 2019 12:09:58 +0000 (UTC) Received: from localhost (unknown [10.36.118.98]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4963B60A9D; Mon, 7 Oct 2019 12:09:58 +0000 (UTC) From: Stefan Hajnoczi To: qemu-devel@nongnu.org Subject: [PATCH 03/16] block/block: add BDRV flag for io_uring Date: Mon, 7 Oct 2019 13:09:24 +0100 Message-Id: <20191007120937.5862-4-stefanha@redhat.com> In-Reply-To: <20191007120937.5862-1-stefanha@redhat.com> References: <20191007120937.5862-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.6.2 (mx1.redhat.com [10.5.110.71]); Mon, 07 Oct 2019 12:09:58 +0000 (UTC) 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: 209.132.183.28 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: oleksandr@redhat.com, Kevin Wolf , Maxim Levitsky , qemu-block@nongnu.org, Julia Suvorova , Julia Suvorova , Markus Armbruster , Max Reitz , Stefan Hajnoczi , Paolo Bonzini , Fam Zheng , Aarushi Mehta Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" From: Aarushi Mehta Signed-off-by: Aarushi Mehta Reviewed-by: Maxim Levitsky Signed-off-by: Stefan Hajnoczi --- include/block/block.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/block/block.h b/include/block/block.h index 37c9de7446..88a9673734 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 p= ool */ =20 #define BDRV_O_CACHE_MASK (BDRV_O_NOCACHE | BDRV_O_NO_FLUSH) =20 --=20 2.21.0