From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f51.google.com (mail-ej1-f51.google.com [209.85.218.51]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CE708183969 for ; Thu, 30 May 2024 09:06:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.51 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717059992; cv=none; b=f9rlxxsbsNDQhHNBzKwB8m2pawrkCAQ7c4L38SXwFWY8mZupQRbNs49BHuTCEdXde+NrcLXDLJYYPLDFkGfzp7OvRh/AxNEdaTxzNrbdj89J1hIQcTNu9DQJ/7kPWpzD0v+ZrvlKHewDaoltRwkKwzJiBjnXgO9EIeFVOmTY6i8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717059992; c=relaxed/simple; bh=2SlXO2clAhdignpywm732PA1nnVo+Es/NHnvGg91cY8=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=LPcEI14gKr7U7FtFMT4Zyn75zfYLl4NIyE/btSthIMqHy5b6aUyIPNn/lpOc44MJW1mY5rJ0k1K4h1i27Gj811jxeb7pNRT7/mI1OoFrST8C7EpOAql3FLLyl3ADvJCg5k4mzC1S7JIszyd6CuAYfmYCFoErPXV6W9gzYJbaWaM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=szeredi.hu; spf=pass smtp.mailfrom=szeredi.hu; dkim=pass (1024-bit key) header.d=szeredi.hu header.i=@szeredi.hu header.b=pQ7OW6TE; arc=none smtp.client-ip=209.85.218.51 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=szeredi.hu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=szeredi.hu Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=szeredi.hu header.i=@szeredi.hu header.b="pQ7OW6TE" Received: by mail-ej1-f51.google.com with SMTP id a640c23a62f3a-a6269885572so150815766b.1 for ; Thu, 30 May 2024 02:06:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; t=1717059989; x=1717664789; darn=vger.kernel.org; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=2SlXO2clAhdignpywm732PA1nnVo+Es/NHnvGg91cY8=; b=pQ7OW6TEx/AH8npODiGPK5E5WPkVWC7ly090v7UQ+2I136FH4cpTjjhQnPx/eXDF7Z 72onAt8ZquKICFT4F+aPl0eNvF+O/G6giXLTS3OHkdiJE8MK9ULca2IAhuKGK4hkyMKV nGSBU9qvaJRvuS09aS4COhXE3G8Zm40s/nMzg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1717059989; x=1717664789; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=2SlXO2clAhdignpywm732PA1nnVo+Es/NHnvGg91cY8=; b=UJa+XK0ytNtCU07TbYPDmkqUwx0XNE0+7BTVZHW+EUM6cJGCKXV3lht+ZW4E4K9qS0 eSpErUPT42KcyxzwstiG9AsiTd8c7WfRYQK1RMLh+S4peOJPpfiHO+RCOtqpJ8pJxlzz vRIvw/oUjF80pOXCreRy4k8AhKSq4pMdvI+OSasftes19KQ5pwou4mTNoNGeHUDkNEMX ar61594UWHwMeWtdiShSClMYGwTbWGs/zBk9FIEqWMnbof/3UBV5DyJd/O5hQsJZf5bR w/kLQ5JJQfYH9C00NIAu4zRUNpPlahUraUICT/esqlrTY/gYupDdWB7+PVUcT25pMLUJ GDzg== X-Forwarded-Encrypted: i=1; AJvYcCWdcPcb89i6Az50rOnOxLoysjH6FRVRTiXd1hz+bLIipKXcMq6QaRZkffvs72LCq1d6ggZ6k6dr3CbIp9FtCYGRTZyxm7xYtris+A8r4w== X-Gm-Message-State: AOJu0YxgdQaylTCFtc0e+ibbd1OU7lCwXufiVCIlI8Vjw7rPVwz1yAfn dahxD3GnNeD6e0/UyRFLHhAgbayz7sap/e/uIGUrGx7A9CjN8BL2EK/YYDNKLagwLkUvg0cnkNa I4UtnbgHdTpgWrv5ZIcwtCCV75JVOk9HbQL8qAg== X-Google-Smtp-Source: AGHT+IF2ROW2D7QQi2KBd4btTcLT0IhYRKSDbw2K7YstlOyb5B/N8AQT7s7U5qGsYIeOkmkLJoZcgLieUKeLTzGCEfw= X-Received: by 2002:a17:906:f2cc:b0:a59:c807:72d3 with SMTP id a640c23a62f3a-a65f0a68e65mr107437066b.17.1717059989102; Thu, 30 May 2024 02:06:29 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <20240529155210.2543295-1-mszeredi@redhat.com> <20240529183231.GC1203999@fedora.redhat.com> In-Reply-To: <20240529183231.GC1203999@fedora.redhat.com> From: Miklos Szeredi Date: Thu, 30 May 2024 11:06:18 +0200 Message-ID: Subject: Re: [PATCH] fuse: cleanup request queuing towards virtiofs To: Stefan Hajnoczi Cc: Miklos Szeredi , linux-fsdevel@vger.kernel.org, Peter-Jan Gootzen , Jingbo Xu , Yoray Zack , Vivek Goyal , virtualization@lists.linux.dev Content-Type: text/plain; charset="UTF-8" On Wed, 29 May 2024 at 20:32, Stefan Hajnoczi wrote: > This is a little scary but I can't think of a scenario where directly > dispatching requests to virtqueues is a problem. It would be scary if it was't a simple transformation: insert element on empty list, remove only element from list -> do nothing Thanks, Miklos