From: Joel Becker <Joel.Becker@oracle.com>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] [PATCH 4/4] ocfs2: make mmap CoW work with readahead.
Date: Tue, 29 Jun 2010 16:24:23 -0700 [thread overview]
Message-ID: <20100629232423.GJ4150@mail.oracle.com> (raw)
In-Reply-To: <1277800541-6844-4-git-send-email-tao.ma@oracle.com>
On Tue, Jun 29, 2010 at 04:35:41PM +0800, Tao Ma wrote:
> refcount_cow need file * to do the readahead.
> So we just add 'struct file *' to ocfs2_write_begin_nolock
> and __ocfs2_page_mkwrite and let them pass this parameter
> to ocfs2_refcount_cow.
As I stated in my comment on the first patch, these functions
only need the file*. The inode can be gotten off of that.
Joel
--
"I have never let my schooling interfere with my education."
- Mark Twain
Joel Becker
Consulting Software Developer
Oracle
E-mail: joel.becker at oracle.com
Phone: (650) 506-8127
prev parent reply other threads:[~2010-06-29 23:24 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-29 8:27 [Ocfs2-devel] [PATCH 0/4] Add readahead support in CoW for reflinked files Tao Ma
2010-06-29 8:35 ` [Ocfs2-devel] [PATCH 1/4] ocfs2: Add struct file to ocfs2_refcount_cow Tao Ma
2010-06-29 23:14 ` Joel Becker
2010-06-30 1:34 ` Tao Ma
2010-06-30 3:11 ` Tao Ma
2010-06-30 12:00 ` Joel Becker
2010-07-01 0:17 ` Tao Ma
2010-07-01 9:12 ` Joel Becker
2010-07-01 9:20 ` Tao Ma
2010-06-29 8:35 ` [Ocfs2-devel] [PATCH 2/4] ocfs2: Add readahead support for CoW Tao Ma
2010-06-29 8:35 ` [Ocfs2-devel] [PATCH 3/4] ocfs2: Add readhead during CoW Tao Ma
2010-06-29 23:23 ` Joel Becker
2010-06-30 1:46 ` Tao Ma
2010-06-29 8:35 ` [Ocfs2-devel] [PATCH 4/4] ocfs2: make mmap CoW work with readahead Tao Ma
2010-06-29 23:24 ` Joel Becker [this message]
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