From: ebiederm@xmission.com (Eric W. Biederman)
To: Luis Chamberlain <mcgrof@kernel.org>
Cc: Al Viro <viro@ZenIV.linux.org.uk>,
Kees Cook <keescook@chromium.org>,
Xiaoming Ni <nixiaoming@huawei.com>,
Stephen Rothwell <sfr@canb.auug.org.au>,
Helge Deller <deller@gmx.de>,
Parisc List <linux-parisc@vger.kernel.org>,
yzaikin@google.com, linux-fsdevel@vger.kernel.org,
Linux Next Mailing List <linux-next@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Christoph Hellwig <hch@lst.de>
Subject: Re: linux-next: manual merge of the vfs tree with the parisc-hd tree
Date: Wed, 13 May 2020 09:44:40 -0500 [thread overview]
Message-ID: <87tv0jopwn.fsf@x220.int.ebiederm.org> (raw)
In-Reply-To: <20200513141421.GP11244@42.do-not-panic.com> (Luis Chamberlain's message of "Wed, 13 May 2020 14:14:22 +0000")
Luis Chamberlain <mcgrof@kernel.org> writes:
> On Wed, May 13, 2020 at 08:42:30AM -0500, Eric W. Biederman wrote:
>> Luis Chamberlain <mcgrof@kernel.org> writes:
>>
>> > On Tue, May 12, 2020 at 12:40:55PM -0500, Eric W. Biederman wrote:
>> >> Luis Chamberlain <mcgrof@kernel.org> writes:
>> >>
>> >> > On Tue, May 12, 2020 at 06:52:35AM -0500, Eric W. Biederman wrote:
>> >> >> Luis Chamberlain <mcgrof@kernel.org> writes:
>> >> >>
>> >> >> > +static struct ctl_table fs_base_table[] = {
>> >> >> > + {
>> >> >> > + .procname = "fs",
>> >> >> > + .mode = 0555,
>> >> >> > + .child = fs_table,
>> >> >> > + },
>> >> >> > + { }
>> >> >> > +};
>> >> >> ^^^^^^^^^^^^^^^^^^^^^^^^ You don't need this at all.
>> >> >> > > +static int __init fs_procsys_init(void)
>> >> >> > +{
>> >> >> > + struct ctl_table_header *hdr;
>> >> >> > +
>> >> >> > + hdr = register_sysctl_table(fs_base_table);
>> >> >> ^^^^^^^^^^^^^^^^^^^^^ Please use register_sysctl instead.
>> >> >> AKA
>> >> >> hdr = register_sysctl("fs", fs_table);
>> >> >
>> >> > Ah, much cleaner thanks!
>> >>
>> >> It is my hope you we can get rid of register_sysctl_table one of these
>> >> days. It was the original interface but today it is just a
>> >> compatibility wrapper.
>> >>
>> >> I unfortunately ran out of steam last time before I finished converting
>> >> everything over.
>> >
>> > Let's give it one more go. I'll start with the fs stuff.
>>
>> Just to be clear moving the tables out of kernel/sysctl.c is a related
>> but slightly different problem.
>
> Sure, but also before we go on this crusade, how about we add a few
> helpers:
>
> register_sysctl_kernel()
> register_sysctl_vm()
> register_sysctl_fs()
> register_sysctl_debug()
> register_sysctl_dev()
Hmm.
register_sysctl("kernel")
> That should make it easier to look for these, and shorter. We *know*
> this is a common path, given the size of the existing table.
I don't really care but one character shorter doesn't look like it
really helps. Not really for grepping and not maintenance as we get a
bunch of trivial one line implementations.
Eric
next prev parent reply other threads:[~2020-05-13 15:05 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-11 1:11 linux-next: manual merge of the vfs tree with the parisc-hd tree Stephen Rothwell
2020-05-11 1:55 ` Xiaoming Ni
2020-05-12 0:33 ` Luis Chamberlain
2020-05-12 5:22 ` Kees Cook
2020-05-12 5:44 ` Luis Chamberlain
2020-05-12 11:52 ` Eric W. Biederman
2020-05-12 17:24 ` Luis Chamberlain
2020-05-12 17:40 ` Eric W. Biederman
2020-05-12 22:03 ` Luis Chamberlain
2020-05-13 4:04 ` Xiaoming Ni
2020-05-13 12:50 ` Luis Chamberlain
2020-05-14 6:05 ` Xiaoming Ni
2020-05-14 16:17 ` Xiaoming Ni
2020-05-15 16:08 ` Luis Chamberlain
2020-05-13 13:42 ` Eric W. Biederman
2020-05-13 14:14 ` Luis Chamberlain
2020-05-13 14:44 ` Eric W. Biederman [this message]
2020-05-13 15:02 ` Luis Chamberlain
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