linux-kernel - Re: [PATCH v3 4/8] mm: replace folio_lock_or_retry with folio_lock

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Message-ID: <CAJuCfpFFVvdwJUzZHrBZYS7YgQkphudCNKB6m55XigFXfJGRCg@mail.gmail.com>
Date:   Tue, 27 Jun 2023 09:27:07 -0700
From:   Suren Baghdasaryan <surenb@...gle.com>
To:     Peter Xu <peterx@...hat.com>
Cc:     akpm@...ux-foundation.org, willy@...radead.org, hannes@...xchg.org,
        mhocko@...e.com, josef@...icpanda.com, jack@...e.cz,
        ldufour@...ux.ibm.com, laurent.dufour@...ibm.com,
        michel@...pinasse.org, liam.howlett@...cle.com, jglisse@...gle.com,
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        viro@...iv.linux.org.uk, brauner@...nel.org,
        pasha.tatashin@...een.com, linux-mm@...ck.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-team@...roid.com
Subject: Re: [PATCH v3 4/8] mm: replace folio_lock_or_retry with folio_lock_fault

On Tue, Jun 27, 2023 at 8:22 AM Peter Xu <peterx@...hat.com> wrote:
>
> On Mon, Jun 26, 2023 at 09:23:17PM -0700, Suren Baghdasaryan wrote:
> > Change folio_lock_or_retry to accept vm_fault struct and return the
> > vm_fault_t directly. This will be used later to return additional
> > information about the state of the mmap_lock upon return from this
> > function.
> >
> > Suggested-by: Matthew Wilcox <willy@...radead.org>
> > Signed-off-by: Suren Baghdasaryan <surenb@...gle.com>
>
> The patch looks all fine to me except on the renaming..
>
> *_fault() makes me think of a fault handler, while *_lock_or_retry() was
> there for years and it still sounds better than the new one to me.
>
> Can we still come up with a better renaming, or just keep the name?

I thought about alternatives but could not find anything better. I can
keep the old name if that is preferred.

>
> Thanks,
>
> --
> Peter Xu
>
> --
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