From: Joel Becker <Joel.Becker@oracle.com>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] [PATCH 1/4] ocfs2: Add struct file to ocfs2_refcount_cow.
Date: Wed, 30 Jun 2010 05:00:15 -0700 [thread overview]
Message-ID: <20100630120013.GA14686@mail.oracle.com> (raw)
In-Reply-To: <4C2AB5F3.10000@oracle.com>
On Wed, Jun 30, 2010 at 11:11:47AM +0800, Tao Ma wrote:
> oh, sorry joel. There does exist one place that we don't have filp.
> It is in ocfs2_orphan_for_truncate, we have to CoW the cluster
> containing i_size and pass NULL as filp.
Maybe ocfs2_cow_file_pos() needs both, but write_begin_nolock
and page_mkwrite do not.
Joel
--
"I don't want to achieve immortality through my work; I want to
achieve immortality through not dying."
- Woody Allen
Joel Becker
Consulting Software Developer
Oracle
E-mail: joel.becker at oracle.com
Phone: (650) 506-8127
next prev parent reply other threads:[~2010-06-30 12:00 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 [this message]
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
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