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 DB3B4224247; Mon, 2 Jun 2025 15:00:50 +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=1748876452; cv=none; b=fFh4wy3bSoDk2iIqTyEzTpGSxu66Is3vD4B0nfRCsHUEWyWeO2pQx1d4x2hYu545knlCNKjwbONtIJtoWcdQSIzT8FvfZT/EAx9Fj1O7HJwqIYeN8tk9Fxf1ExultforFCZMzwZqhOzASlx6K+AlcOcr7rPavkwND5ry62EEEW0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748876452; c=relaxed/simple; bh=w8eq0Kfn6BFhNkvfT7XygEyQsOCSaNrSDB+GhUQYFSk=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition; b=UAY5TTGrqQqpRXVuGK3kRDhRHQ44xktiQY8RDbnL4hfMdVPxhqUGvGBt2SUz1Cr3t1NgFQ26LwuvjYq1GFwYpaGB6HD1cmVOXA9Be+OafsM3P6bb6vYb+KAO+55dgM3HjqQFjeHodDo0MyvIhGryuWAKvIs2mJDKpWGdLwFBy6c= 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=XlHluu4d; 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="XlHluu4d" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Type:MIME-Version:Message-ID: Subject:Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:In-Reply-To:References; bh=M/x/2t2Kx+g+vjGkWXYKWBCl3dNU64A8n1tVJEG0ynY=; b=XlHluu4dwkJTzQRCK0mFuwUq3G 2PpM7VN2iZt8BSE2fJUc9HvPiGw6NhHEtBTW60h2df8TXcExnCV/+FJQe4V4KDyp1UGBM61U8hzgd 4cSzN4AvuxPb6kP+hqP1f3zkWgQkhBG9eDQvS5EQF7GiZBHNEDgd6cxTLrox+FTb0wIeijfR6AiIf Iw1xQCNFcWT2hKzs5GNx/Ce0BLiDe+W74xyc2FMrKwFoNLTt/iRKA5ENOJSzNkNtQRctzgfTanmlJ KVysxVpTnvAdwYjmNuF9nTk/UUCWcvehtdb3BO1PIAo04ioFv9R7WbFYyTRNk0gWG4WtMPSvI/SA1 DEw/T6Xg==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1uM6eg-00000007hUJ-1fmM; Mon, 02 Jun 2025 15:00:50 +0000 Date: Mon, 2 Jun 2025 08:00:50 -0700 From: Christoph Hellwig To: Jens Axboe Cc: linux-fsdevel@vger.kernel.org, linux-man@vger.kernel.org Subject: RWF_DONTCACHE documentation Message-ID: Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Hi Jens, I just tried to reference RWF_DONTCACHE semantics in a standards discussion, but it doesn't seem to be documented in the man pages or in fact anywhere else I could easily find. Could you please write up the semantics for the preadv2/pwritev2 man page?