linux-kernel - Re: [PATCH 34/38] vfs: syscall: Add fsinfo() to query filesystem information [ver #10]

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Date:   Fri, 27 Jul 2018 12:35:08 -0700
From:   Andy Lutomirski <luto@...capital.net>
To:     David Howells <dhowells@...hat.com>
Cc:     Al Viro <viro@...iv.linux.org.uk>,
        Linux API <linux-api@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Linux FS Devel <linux-fsdevel@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 34/38] vfs: syscall: Add fsinfo() to query filesystem
 information [ver #10]

On Fri, Jul 27, 2018 at 10:35 AM, David Howells <dhowells@...hat.com> wrote:
> Add a system call to allow filesystem information to be queried.  A request
> value can be given to indicate the desired attribute.  Support is provided
> for enumerating multi-value attributes.

Has anyone seriously reviewed this?  It might make sense to defer this
to a followup patch set.  Also:

> params->request indicates the attribute/attributes to be queried.  This can
> be one of:
>
>         fsinfo_attr_statfs              - statfs-style info
>         fsinfo_attr_fsinfo              - Information about fsinfo()

Constants are almost always all caps.  Is there any reason these are lowercase?