Re: [PATCH 04/16] relay: update relay to use mmap_prepare

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To: David Hildenbrand <david@xxxxxxxxxx>
Subject: Re: [PATCH 04/16] relay: update relay to use mmap_prepare
From: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
Date: Mon, 8 Sep 2025 16:29:21 +0100
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>, Jonathan Corbet <corbet@xxxxxxx>, Matthew Wilcox <willy@xxxxxxxxxxxxx>, Guo Ren <guoren@xxxxxxxxxx>, Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx>, Heiko Carstens <hca@xxxxxxxxxxxxx>, Vasily Gorbik <gor@xxxxxxxxxxxxx>, Alexander Gordeev <agordeev@xxxxxxxxxxxxx>, Christian Borntraeger <borntraeger@xxxxxxxxxxxxx>, Sven Schnelle <svens@xxxxxxxxxxxxx>, "David S . Miller" <davem@xxxxxxxxxxxxx>, Andreas Larsson <andreas@xxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Dan Williams <dan.j.williams@xxxxxxxxx>, Vishal Verma <vishal.l.verma@xxxxxxxxx>, Dave Jiang <dave.jiang@xxxxxxxxx>, Nicolas Pitre <nico@xxxxxxxxxxx>, Muchun Song <muchun.song@xxxxxxxxx>, Oscar Salvador <osalvador@xxxxxxx>, Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>, Baoquan He <bhe@xxxxxxxxxx>, Vivek Goyal <vgoyal@xxxxxxxxxx>, Dave Young <dyoung@xxxxxxxxxx>, Tony Luck <tony.luck@xxxxxxxxx>, Reinette Chatre <reinette.chatre@xxxxxxxxx>, Dave Martin <Dave.Martin@xxxxxxx>, James Morse <james.morse@xxxxxxx>, Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, Christian Brauner <brauner@xxxxxxxxxx>, Jan Kara <jack@xxxxxxx>, "Liam R . Howlett" <Liam.Howlett@xxxxxxxxxx>, Vlastimil Babka <vbabka@xxxxxxx>, Mike Rapoport <rppt@xxxxxxxxxx>, Suren Baghdasaryan <surenb@xxxxxxxxxx>, Michal Hocko <mhocko@xxxxxxxx>, Hugh Dickins <hughd@xxxxxxxxxx>, Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>, Uladzislau Rezki <urezki@xxxxxxxxx>, Dmitry Vyukov <dvyukov@xxxxxxxxxx>, Andrey Konovalov <andreyknvl@xxxxxxxxx>, Jann Horn <jannh@xxxxxxxxxx>, Pedro Falcato <pfalcato@xxxxxxx>, linux-doc@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-csky@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, sparclinux@xxxxxxxxxxxxxxx, nvdimm@xxxxxxxxxxxxxxx, linux-cxl@xxxxxxxxxxxxxxx, linux-mm@xxxxxxxxx, ntfs3@xxxxxxxxxxxxxxx, kexec@xxxxxxxxxxxxxxxxxxx, kasan-dev@xxxxxxxxxxxxxxxx, Jason Gunthorpe <jgg@xxxxxxxxxx>
In-reply-to: <e9b9b4f4-8ed1-40e8-8b49-22a0b10c72e6@redhat.com>

On Mon, Sep 08, 2025 at 05:15:12PM +0200, David Hildenbrand wrote:
> On 08.09.25 13:10, Lorenzo Stoakes wrote:
> > It is relatively trivial to update this code to use the f_op->mmap_prepare
> > hook in favour of the deprecated f_op->mmap hook, so do so.
> >
> > Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@xxxxxxxxxx>
> > ---
>
> Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>

Thanks!

>
> --
> Cheers
>
> David / dhildenb
>

References:
- [PATCH 00/16] expand mmap_prepare functionality, port more users
  - From: Lorenzo Stoakes
- [PATCH 04/16] relay: update relay to use mmap_prepare
  - From: Lorenzo Stoakes
- Re: [PATCH 04/16] relay: update relay to use mmap_prepare
  - From: David Hildenbrand

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