From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C364825777; Mon, 11 Nov 2024 15:16:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731338181; cv=none; b=nGM5kcF0B3lfpiG9ze59slbz1epMvp1KbSWyppsl3BaUuBiAq6eVNtka7iFO5GH3zU0+cBhs7OO6vD2aSfu9sstQqlYXwU9zZ9f77KGAcRr5kChUV1ebqKabOHBdKEtj7TAE9jiEDmybK6AapEkngQnlmn6z0lrwOmO1F9HJ8nU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731338181; c=relaxed/simple; bh=bj9GlN2d5ygMPuEtL8q35rW5wXQMq2mtKNgXd/g0Kgw=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=AbhkyNgs6cDhUTeX+wGX7WzI5eEFYXG8AS4uCG3NnVSE4Lwf2KXdUSbKCi01ARsoTJtSO2XXevASdMYVxa+F5KMUxPM02258ahxcU6Z7mGxlDbR5sGjQ5XSYy/Ymg4xr0/6/cYA4rlA3++JN9r6Jazw/uZth6ASqFCpC6+zXHeE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=kPOKKY3z; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="kPOKKY3z" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=dscR4STpFrd4KaOzTQlfucw6TNXm89oO1VRGYbZ+0ZU=; b=kPOKKY3zt1XxT8eXK7pZKXVwVf EdVOn9MpbkEgBHffgciZDN9dOUbnR/2jaw1OGFeuwlt1I982iU3E0AG0B6mVy2ZbRTCxAsyAJalRy X1/shT6w84uE7AJ6E06361ZKQ1deyYCqBIOgX1TNdUMqGXvZQHGtf/YR9e7poXzY84LO/nzhjahEE cs5mf6kxHQ+QgZwdXGRM2DMIeMRP4LFJQ4UQiKpmnvHAoJcUG+iUJ8uC9Agub8SX/d7MrGvj2c92o GI04ThTrvcf2UAD9sg0MYGINjHWYnv+XFJZOCKVCDuDpVI7jHnXbdKznEro6wnHhSRufZj2wYvjF5 Aqu41TDw==; Received: from hch by bombadil.infradead.org with local (Exim 4.98 #2 (Red Hat Linux)) id 1tAW9K-00000000Qve-0ZQD; Mon, 11 Nov 2024 15:16:18 +0000 Date: Mon, 11 Nov 2024 07:16:18 -0800 From: Christoph Hellwig To: Jens Axboe Cc: "Kirill A. Shutemov" , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, hannes@cmpxchg.org, clm@meta.com, linux-kernel@vger.kernel.org, willy@infradead.org Subject: Re: [PATCH 08/15] mm/filemap: add read support for RWF_UNCACHED Message-ID: References: <20241110152906.1747545-1-axboe@kernel.dk> <20241110152906.1747545-9-axboe@kernel.dk> <221590fa-b230-426a-a8ec-7f18b74044b8@kernel.dk> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <221590fa-b230-426a-a8ec-7f18b74044b8@kernel.dk> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Mon, Nov 11, 2024 at 07:12:35AM -0700, Jens Axboe wrote: > Ok thanks, let me take a look at that and create a test case that > exercises that explicitly. Please add RWF_UNCACHED to fsstress.c in xfstests also. That is our exerciser for concurrent issuing of different I/O types to hit these kinds of corner cases.