Message ID | 20191218163228.1613099-4-stefanha@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <SRS0=uTY3=2I=nongnu.org=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@kernel.org> Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E696E139A for <patchwork-qemu-devel@patchwork.kernel.org>; Wed, 18 Dec 2019 16:38:10 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id BC7B32146E for <patchwork-qemu-devel@patchwork.kernel.org>; Wed, 18 Dec 2019 16:38:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="IhXXINqV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BC7B32146E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; 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Wed, 18 Dec 2019 16:33:00 +0000 (UTC) Received: from localhost (unknown [10.36.118.54]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9B4E426DC5; Wed, 18 Dec 2019 16:32:59 +0000 (UTC) From: Stefan Hajnoczi <stefanha@redhat.com> To: <qemu-devel@nongnu.org> Subject: [PATCH v3 03/15] block/block: add BDRV flag for io_uring Date: Wed, 18 Dec 2019 16:32:16 +0000 Message-Id: <20191218163228.1613099-4-stefanha@redhat.com> In-Reply-To: <20191218163228.1613099-1-stefanha@redhat.com> References: <20191218163228.1613099-1-stefanha@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-MC-Unique: Rzv8aOBUPmWWSR4v6YDULA-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: Fam Zheng <fam@euphon.net>, Kevin Wolf <kwolf@redhat.com>, 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> Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org> |
Series |
io_uring: add Linux io_uring AIO engine
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expand
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diff --git a/include/block/block.h b/include/block/block.h index 1df9848e74..7071dc041e 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)