From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id B7201ECAAD3 for ; Mon, 5 Sep 2022 14:33:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238198AbiIEOd6 (ORCPT ); Mon, 5 Sep 2022 10:33:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231635AbiIEOd5 (ORCPT ); Mon, 5 Sep 2022 10:33:57 -0400 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A29945A883; Mon, 5 Sep 2022 07:33:56 -0700 (PDT) Received: by verein.lst.de (Postfix, from userid 2407) id 3D5E668AA6; Mon, 5 Sep 2022 16:33:51 +0200 (CEST) Date: Mon, 5 Sep 2022 16:33:51 +0200 From: Christoph Hellwig To: Logan Gunthorpe Cc: linux-kernel@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, linux-pci@vger.kernel.org, linux-mm@kvack.org, Christoph Hellwig , Greg Kroah-Hartman , Dan Williams , Jason Gunthorpe , Christian =?iso-8859-1?Q?K=F6nig?= , John Hubbard , Don Dutile , Matthew Wilcox , Daniel Vetter , Minturn Dave B , Jason Ekstrand , Dave Hansen , Xiong Jianxin , Bjorn Helgaas , Ira Weiny , Robin Murphy , Martin Oliveira , Chaitanya Kulkarni , Ralph Campbell , Stephen Bates Subject: Re: [PATCH v9 2/8] iov_iter: introduce iov_iter_get_pages_[alloc_]flags() Message-ID: <20220905143351.GA5813@lst.de> References: <20220825152425.6296-1-logang@deltatee.com> <20220825152425.6296-3-logang@deltatee.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220825152425.6296-3-logang@deltatee.com> User-Agent: Mutt/1.5.17 (2007-11-01) Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Thu, Aug 25, 2022 at 09:24:19AM -0600, Logan Gunthorpe wrote: > Add iov_iter_get_pages_flags() and iov_iter_get_pages_alloc_flags() > which take a flags argument that is passed to get_user_pages_fast(). > > This is so that FOLL_PCI_P2PDMA can be passed when appropriate. Any reason why iov_iter_get_pages2 doesn't call iov_iter_get_pages_flags and same for the __alloc version? Also with the "main" version now having the 2 postfix, we can just use the iov_iter_get_pages name for the flags version, and maybe eventually just convert all users over to it.