From: Mark Fasheh <mfasheh@suse.com>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] [PATCH] ocfs2: optimize ocfs2_check_dir_entry() with unlikely() annotations
Date: Mon, 24 Jan 2011 12:17:10 -0800 [thread overview]
Message-ID: <20110124201710.GI9240@wotan.suse.de> (raw)
In-Reply-To: <1295882610-12542-1-git-send-email-tm@tao.ma>
On Mon, Jan 24, 2011 at 11:23:30PM +0800, Tao Ma wrote:
> From: Tao Ma <boyu.mt@taobao.com>
>
> In cad3f00, ext4_check_dir_entry was modified by adding some unlikely.
> Ted described it as "This function gets called a lot for large
> directories, and the answer is almost always 'no, no, there's no problem'.
> This means using unlikely() is a good thing."
> ext3 added the similar change in commit a4ae309.
>
> So change it accordingly in ocfs2.
>
> Cc: Joel Becker <jlbec@evilplan.org>
> Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
--
Mark Fasheh
next prev parent reply other threads:[~2011-01-24 20:17 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-24 15:23 [Ocfs2-devel] [PATCH] ocfs2: optimize ocfs2_check_dir_entry() with unlikely() annotations Tao Ma
2011-01-24 20:17 ` Mark Fasheh [this message]
2011-02-20 12:08 ` Joel Becker
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