From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f46.google.com (mail-ej1-f46.google.com [209.85.218.46]) (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 7F88B8C07 for ; Thu, 3 Oct 2024 14:02:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.46 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727964146; cv=none; b=Q78OvTeESjzI1UJpoC7PrF3xg4pqv1LJela17agjvKLkn6OUlExoQXpB4o9jnXYAOgZyoSC1wtPaBCY3/l5PS0VPgelWUU5gDIdpXpf9TgzNiGio04r0eQ0BTaJ07QJtKYS0fOduEc58zhLtzpJQgQznkbu2WHSSsOhRx/xyiIc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727964146; c=relaxed/simple; bh=GGNEFwQtpO7uH9/V1N0/M+6tFdm2eOpZCU3ZMlg/AoI=; h=MIME-Version:References:In-Reply-To:From:Date:Message-ID:Subject: To:Cc:Content-Type; b=u7WmdHwqDGK2LhO4qb3npDp0il60heBTd9DWnYRQtqzPjNrL2mOJjcVZfEMKMGl9IbFMJeWnH17THhjx+rxD3Zt69UkT2CyDviVDLnCGJWl/GDTcOPe4xW2qvHdI36gL0hmaMKPd02QfpokXiuhMximrDNs/dILqS4ij6IwZCek= 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=HuzNaZ+N; arc=none smtp.client-ip=209.85.218.46 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="HuzNaZ+N" Received: by mail-ej1-f46.google.com with SMTP id a640c23a62f3a-a90188ae58eso128965866b.1 for ; Thu, 03 Oct 2024 07:02:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=szeredi.hu; s=google; t=1727964142; x=1728568942; 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=GGNEFwQtpO7uH9/V1N0/M+6tFdm2eOpZCU3ZMlg/AoI=; b=HuzNaZ+NnsImIK+mD7Wk7ctNFV7yoqtzjc3nXCZDiJanVXbnfByAxf4wMdCv8IUkQE Gh/5OoPJ+v2VUrG+Jje5fpuGrW7oEmhZDZvls1njI2rjHGkHFPUjyPpcJ0Q4WeI/NkTW U4A3R7BBWnAqy1cQ6OgGFlTLfO8Xd7eLvb6SE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727964142; x=1728568942; 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=GGNEFwQtpO7uH9/V1N0/M+6tFdm2eOpZCU3ZMlg/AoI=; b=BmhVLJUiIC3RkZb2+4N0oAQBFbnS8MTwl1TqZsU884WA5Zxxiy4gmYKvtuYOPcSJx2 QbIEMAUjQGE0OVsIsaG1ZLOBACP2xS6D+yUdY0pVjme0HaD4+IiUDvk2TnfIwk/+Vwrd nSIzVfj0YYmoJZ7XQ1s3ew4k+CokRZwbP905lXRxOqDRT5JTFL5dlnm3g3qWQzBJrq6c +NY9wVaJ+VeJm9/pOrMHNCNaqFWmXOhqIZSLQLYAu20gxGSYOn0ma+lG3HeMOnjUL9aZ tecmErMIDl+AWUnLWeojUt2W1O/+T2M9/JWgFmOK303F7zC6QcqOc3R1g7DKHLezMoxU ifRw== X-Gm-Message-State: AOJu0YxYDT/cYHmjaOGI4w1VP0FNBjhmuBAg1CUvE8qzsRQ5Ibo4ToGA UCPKwoJp2MxrSNIUXRVr+khNN6CAd3MUDrkGt1zCvlGMQAv13yB7JZo/evxyxQ0r1dUlukNrPu2 JRllJlO64olL8O8xCFdAqfKxby5h/qx4g5cv+7v4MsIe0Vzcg X-Google-Smtp-Source: AGHT+IE+UXj7GhOIGGEYAwkInONvkMh6STHVU/3DmDtx5z86HCLVgY04r88GJd+fbrfAEfLGvrTzQYCbRS7qaZEfQlc= X-Received: by 2002:a17:907:6093:b0:a8a:58c5:78f1 with SMTP id a640c23a62f3a-a98f8201512mr661615366b.11.1727964141672; Thu, 03 Oct 2024 07:02:21 -0700 (PDT) Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 References: <813548b9-efd7-40d9-994f-20347071e7b6@fastmail.fm> In-Reply-To: From: Miklos Szeredi Date: Thu, 3 Oct 2024 16:02:09 +0200 Message-ID: Subject: Re: fuse-io-uring: We need to keep the tag/index To: Bernd Schubert Cc: "linux-fsdevel@vger.kernel.org" , Joanne Koong , Josef Bacik Content-Type: text/plain; charset="UTF-8" On Thu, 3 Oct 2024 at 15:56, Bernd Schubert wrote: > I'm inclined to do xarray, but still to assign an index (in the order of > received FUSE_URING_REQ_FETCH per queue) - should still give O(1). xarray index is unsigned long, while req->unique is u64, which on 32 bit doesn't fit. Thanks, Miklos