linux-kernel - Re: [PATCH 00/28] Privatise procfs internals [RFC]

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Date:	Fri, 3 May 2013 22:27:03 +0200
From:	Geert Uytterhoeven <geert@...ux-m68k.org>
To:	David Howells <dhowells@...hat.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux FS Devel <linux-fsdevel@...r.kernel.org>,
	Al Viro <viro@...iv.linux.org.uk>
Subject: Re: [PATCH 00/28] Privatise procfs internals [RFC]

On Wed, May 1, 2013 at 10:51 PM, Geert Uytterhoeven
<geert@...ux-m68k.org> wrote:
> On Tue, Apr 16, 2013 at 8:25 PM, David Howells <dhowells@...hat.com> wrote:
>> Here is a series of patches to make the procfs internals private to the procfs
>> filesystem.  This is built on top of the patches to eliminate
>> create_proc_read_entry() after the kill-read_proc_t tag.
>>
>> These patches include fixes for the places that are attempting to abuse
>> proc_dir_entry->count and doing it incorrectly because PID namespaces now
>> exist.
>>
>> All accesses to the PDE struct have been replaced with out-of-line accessor
>> functions.  This is a bit less efficient than it used to be, but this could be
>> mitigated by using inode->i_private.
>>
>> The internal procfs structs have moved to fs/procfs/internal.h.  Some of the
>> remaining stuff in linux/proc_fs.h has been split out to linux/kcore.h and
>> linux/proc_ns.h as they's separate specialised intefaces.
>
> drivers/nubus/proc.c:156:7: error: dereferencing pointer to incomplete type
> drivers/nubus/proc.c:158:22: error: dereferencing pointer to incomplete type
> make[3]: *** [drivers/nubus/proc.o] Error 1
> make[2]: *** [drivers/nubus] Error 2

I've just sent out a patch to fix this.

> drivers/zorro/proc.c:142:7: error: dereferencing pointer to incomplete type
> make[3]: *** [drivers/zorro/proc.o] Error 1
> make[2]: *** [drivers/zorro] Error 2

This one is fixed in mainline.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@...ux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds
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