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[34.142.210.164]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2dd561e2af6sm14996025ad.70.2026.09.13.12.07.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 13 Sep 2026 12:07:45 -0700 (PDT) Date: Sun, 13 Sep 2026 19:07:38 +0000 From: Pranjal Shrivastava To: Anna Schumaker Cc: linux-nfs@vger.kernel.org, Trond Myklebust , Chuck Lever , Jeff Layton , linux-kernel@vger.kernel.org, Christoph Hellwig , Logan Gunthorpe , Jason Gunthorpe , linux-pci@vger.kernel.org, linux-rdma@vger.kernel.org, Shivaji Kant Subject: Re: [PATCH v6 0/5] nfs: modernize direct I/O path Message-ID: References: <20260814143255.861084-1-praan@google.com> <0b3d8f13-e691-411a-a507-d3e6bd1608c6@app.fastmail.com> Precedence: bulk X-Mailing-List: linux-nfs@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: <0b3d8f13-e691-411a-a507-d3e6bd1608c6@app.fastmail.com> On Fri, Sep 11, 2026 at 10:41:57AM -0400, Anna Schumaker wrote: > Hi Pranjal, > > On Fri, Sep 11, 2026, at 8:57 AM, Pranjal Shrivastava wrote: > > On Fri, Aug 14, 2026 at 02:32:50PM +0000, Pranjal Shrivastava wrote: > >> Modernize the NFS Direct I/O path as a preparatory step to enable PCI > >> Peer-to-Peer DMA (P2PDMA) support. Following feedback on the initial > >> RFC [1], the modernization and architectural changes are split into > >> different series. Additionally, based on the discussion in the v2 [2] > >> of this series, the migration of NFS Direct I/O to folios would be > >> handled in a separate follow-up series. > >> > >> Currently, NFS O_DIRECT relies on the legacy iov_iter_get_pages_alloc2() > >> API which does not support the pinning requirements for P2P memory. > >> The implementation moves NFS to the modern iov_iter_extract_pages() API. > >> > > > > Gentle ping on this series. > > (I realized that I sent it close to the merge window, Apologies). > > > > Please let me know if anything else needs to be done for this.. > > Thanks for the ping! The plan right now is to send it along as part of > the 7.4 merge window. I haven't pushed out a public linux-next branch > yet, but when I do these patches will be included. > > I hope this helps! > Anna > Thanks a lot for responding, quite helpful! :) Best, Praan