linux-kernel - Re: [PATCH] ocxl: Add get_metadata IOCTL to share OCXL information to userspace

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Date:   Thu, 22 Feb 2018 14:19:10 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Alastair D'Silva <alastair@....ibm.com>,
        Balbir Singh <bsingharora@...il.com>
Cc:     Arnd Bergmann <arnd@...db.de>, frederic.barrat@...ibm.com,
        Greg KH <gregkh@...uxfoundation.org>,
        "linux-kernel\@vger.kernel.org" <linux-kernel@...r.kernel.org>,
        linuxppc-dev <linuxppc-dev@...abs.org>,
        Andrew Donnellan <andrew.donnellan@....ibm.com>
Subject: Re: [PATCH] ocxl: Add get_metadata IOCTL to share OCXL information to userspace

"Alastair D'Silva" <alastair@....ibm.com> writes:

> On Wed, 2018-02-21 at 17:43 +1100, Balbir Singh wrote:
>> On Wed, Feb 21, 2018 at 3:57 PM, Alastair D'Silva <alastair@....ibm.c
>> om> wrote:
>> > From: Alastair D'Silva <alastair@...ilva.org>
>> > 
...
>> > diff --git a/include/uapi/misc/ocxl.h b/include/uapi/misc/ocxl.h
>> > index 4b0b0b756f3e..16e1f48ce280 100644
>> > --- a/include/uapi/misc/ocxl.h
>> > +++ b/include/uapi/misc/ocxl.h
>> > @@ -32,6 +32,27 @@ struct ocxl_ioctl_attach {
>> >         __u64 reserved3;
>> >  };
>> > 
>> > +/*
>> > + * Version contains the version of the struct.
>> > + * Versions will always be backwards compatible, that is, new
>> > versions will not
>> > + * alter existing fields
>> > + */
>> > +struct ocxl_ioctl_get_metadata {
>> 
>> This sounds more like a function name, do we need it to be
>> _get_metdata?
>> 
>
> It pretty much is a function, it returns to userspace metadata about
> the descriptor being operated on.

It's not a function, it's a struct?

Outside of "management English" "get" is a verb, so using it in the name
of the struct is confusing, it should be a noun phrase.

cheers