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 E173C33B6E3; Thu, 9 Apr 2026 16:08:38 +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=1775750923; cv=none; b=sUbZ6iJjFzp7kXwxQ/HTFEwyc/EiOCofvrD3/b4pgshHREhL+JaEQ3akgHs/rjtlUJy9erpoVkptCM8bmldInvx/RgwYfBpxqTevVdCAoyon5npKMGuJA0nH4PpJJtoFo1suMxdb1KujEJdS2yyw+3BCFp0XLj2s3pIAA15i0Iw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1775750923; c=relaxed/simple; bh=mMID+rgsxew0RkSvMccqhsuu47v+LeaQSeiwdBrG0Ok=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=NdWunqXbfT2o7i79T/i3c1EGvsj4PmBpBFmP2Wj+DiKnJoXqDBR5ubwpMA+j1u6d3cVzBEsZHVdrV1OGKigD2PwJ+BX1bsrl8rRX4HTCykOMnGeV0GAcfT/bnvlSff7dLHsnIySwWULSuCGT+dP3HBAIAynEcvi5Cmea4+dNSJ0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (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=r59KVE9i; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (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="r59KVE9i" 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=mMID+rgsxew0RkSvMccqhsuu47v+LeaQSeiwdBrG0Ok=; b=r59KVE9iRbfkYyt/uwNAp4hwIq gDKUAovMFJTRw07vQWwoYJazbbJyxyDXiQBouxmlEPXACR7CjHDC2ykHfr5yD2dWPQvU2yST+kNuw IDmZEFqKgL+k4UlgUrZsc6it3JpycnjJYh4MOup2Z97w736aFWt8yWKUEnetiKfa2OVM17VemusRo SaIPZvWXrQw37w2Ya2O5wwUa4EJNWWYwmgcAGSSyriMKWhzkjE0rizC3Nf1fNrOFY6Jx1dMljzFxu iSP4Dun+RWNHh5QlICAdg3XjmXUc/+QhhpwkvTcdkcstgumvHBz3Z7PYcPdrmomeL4ZpD9CRt4WJk gSjazsBg==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1wArvn-0000000AtTF-3Uka; Thu, 09 Apr 2026 16:08:35 +0000 Date: Thu, 9 Apr 2026 09:08:35 -0700 From: Christoph Hellwig To: Tal Zussman Cc: Jens Axboe , "Matthew Wilcox (Oracle)" , Christian Brauner , "Darrick J. Wong" , Carlos Maiolino , Alexander Viro , Jan Kara , Christoph Hellwig , Dave Chinner , Bart Van Assche , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH RFC v5 3/3] block: enable RWF_DONTCACHE for block devices Message-ID: References: <20260408-blk-dontcache-v5-0-0f080c20a96f@columbia.edu> <20260408-blk-dontcache-v5-3-0f080c20a96f@columbia.edu> Precedence: bulk X-Mailing-List: linux-xfs@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: <20260408-blk-dontcache-v5-3-0f080c20a96f@columbia.edu> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html For the next round please split this into the buffer.c parts for the infrastructure and the use in the block device file operations.