From: Tejun Heo <tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Kent Overstreet <koverstreet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org,
paul.gortmaker-CWA4WttNNZF54TAoqtyWWQ@public.gmane.org
Subject: Re: [PATCH 0/3] Generic rb tree code
Date: Tue, 29 May 2012 14:28:44 +0900 [thread overview]
Message-ID: <20120529052844.GB17366@google.com> (raw)
In-Reply-To: <20120529033032.GB10175-RcKxWJ4Cfj3IzGYXcIpNmNLIRw13R84JkQQo+JxHRPFibQn6LdNjmg@public.gmane.org>
Hello, Kent.
On Mon, May 28, 2012 at 11:30:32PM -0400, Kent Overstreet wrote:
> > Modeled after spinlock code how? AFAICS, spinlock code doesn't
> > present inline and !inline versions to users.
>
> That probably wasn't intended, but it's how it works out.
> __raw_spin_lock() and all the variants are defined as inline functions,
> and then depending on whether CONFIG_INLINE_BLAH is enabled
> _raw_spin_lock_blah() is defined to __raw_spin_lock_blah(), otherwise
> _raw_spin_lock_blah() is a wrapper in a .c file.
>
> But the end result is that the inline versions are also available.
Doesn't matter. Nobody outside spinlock implementation proper should
be using them.
> > All the current users
> > are inline anyway, why not just provide inlined versions and worry
> > about whether inlining is beneifical in a separate patch?
>
> Yeah, possible. I think it's only going to be an issue for rb_search()
> in practice (since rb_search needs the stack allocated search argument),
> should probably just drop the inline version of rb_insert().
As long as there's single version of the thing....
Thanks.
--
tejun
next prev parent reply other threads:[~2012-05-29 5:28 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-25 20:57 [PATCH 0/3] Generic rb tree code Kent Overstreet
2012-05-25 20:57 ` [PATCH 1/3] rbtree: Add rb_insert(), rb_search(), etc Kent Overstreet
[not found] ` <1337979461-19654-2-git-send-email-koverstreet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-05-28 23:35 ` Tejun Heo
2012-05-25 20:57 ` [PATCH 2/3] timerqueue: convert to generic rb tree code Kent Overstreet
2012-05-25 20:57 ` [PATCH 3/3] block: convert elevator " Kent Overstreet
[not found] ` <1337979461-19654-4-git-send-email-koverstreet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-05-28 23:17 ` Tejun Heo
2012-05-29 3:25 ` Kent Overstreet
[not found] ` <20120529032502.GA10175-RcKxWJ4Cfj3IzGYXcIpNmNLIRw13R84JkQQo+JxHRPFibQn6LdNjmg@public.gmane.org>
2012-05-29 5:24 ` Tejun Heo
[not found] ` <20120529052458.GA17366-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-05-29 6:57 ` Kent Overstreet
[not found] ` <1337979461-19654-1-git-send-email-koverstreet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
2012-05-28 23:22 ` [PATCH 0/3] Generic " Tejun Heo
[not found] ` <20120528232246.GC20954-RcKxWJ4Cfj1J2suj2OqeGauc2jM2gXBXkQQo+JxHRPFibQn6LdNjmg@public.gmane.org>
2012-05-29 3:30 ` Kent Overstreet
[not found] ` <20120529033032.GB10175-RcKxWJ4Cfj3IzGYXcIpNmNLIRw13R84JkQQo+JxHRPFibQn6LdNjmg@public.gmane.org>
2012-05-29 5:28 ` Tejun Heo [this message]
2012-05-31 21:03 ` Jan Kara
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20120529052844.GB17366@google.com \
--to=tj-dgejt+ai2ygdnm+yrofe0a@public.gmane.org \
--cc=axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org \
--cc=koverstreet-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org \
--cc=linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=paul.gortmaker-CWA4WttNNZF54TAoqtyWWQ@public.gmane.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).