From: Joel Becker <jlbec@evilplan.org>
To: ocfs2-devel@oss.oracle.com
Subject: [Ocfs2-devel] [PATCH] Treat writes as new when holes span across page boundaries
Date: Wed, 23 Feb 2011 13:37:31 -0800 [thread overview]
Message-ID: <20110223213730.GK4020@noexit> (raw)
In-Reply-To: <AANLkTinmrT4JA4T+0uGHqPgFuyOXbhU0uv9pV=a9wC4y@mail.gmail.com>
On Wed, Feb 23, 2011 at 03:35:36PM -0600, Goldwyn Rodrigues wrote:
> On Wed, Feb 23, 2011 at 3:17 PM, Joel Becker <jlbec@evilplan.org> wrote:
> >> 2. ?the previous write ended in a page boundary, but not a cluster
> >> boundary. eg, clustersize=16K but pos is at the page boundary = 4k
> >
> > ? ? ? ?Must it be a page boundary? ?What about a block boundary? ;-)
>
> I am not sure of this, but I would like to stick with page boundary. I
> am too poor to afford a machine with a page size bigger than 4k to
> test this ;)
Create a filesystem with 1K blocks and 16K clusters. Now you
have four blocks per page, and you can test block vs page boundaries.
Joel
--
"There is a country in Europe where multiple-choice tests are
illegal."
- Sigfried Hulzer
http://www.jlbec.org/
jlbec at evilplan.org
next prev parent reply other threads:[~2011-02-23 21:37 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-17 15:44 [Ocfs2-devel] [PATCH] Treat writes as new when holes span across page boundaries Goldwyn Rodrigues
2011-02-20 7:09 ` Joel Becker
2011-02-20 18:45 ` Goldwyn Rodrigues
2011-02-21 2:08 ` Joel Becker
2011-02-21 5:44 ` Goldwyn Rodrigues
2011-02-22 8:36 ` Joel Becker
2011-02-22 9:37 ` Joel Becker
2011-02-22 19:02 ` Goldwyn Rodrigues
2011-02-22 21:39 ` Joel Becker
2011-02-22 21:54 ` Joel Becker
2011-02-22 22:09 ` Goldwyn Rodrigues
2011-02-22 23:34 ` Joel Becker
2011-02-23 0:05 ` Goldwyn Rodrigues
2011-02-23 9:39 ` Joel Becker
2011-02-23 14:43 ` Goldwyn Rodrigues
2011-02-23 19:13 ` Joel Becker
2011-02-23 19:28 ` Joel Becker
2011-02-23 21:00 ` Goldwyn Rodrigues
2011-02-23 21:23 ` Joel Becker
2011-02-23 20:54 ` Goldwyn Rodrigues
2011-02-23 21:17 ` Joel Becker
2011-02-23 21:35 ` Goldwyn Rodrigues
2011-02-23 21:37 ` Joel Becker [this message]
2011-02-23 21:44 ` Joel Becker
2011-02-23 22:31 ` Goldwyn Rodrigues
2011-02-28 18:03 ` Joel Becker
2011-02-28 19:07 ` Goldwyn Rodrigues
2011-02-28 19:40 ` Joel Becker
2011-03-01 2:11 ` Goldwyn Rodrigues
2011-02-24 16:32 ` Goldwyn Rodrigues
2011-02-24 18:16 ` Mark Fasheh
2011-02-23 21:09 ` Goldwyn Rodrigues
2011-02-23 21:21 ` Joel Becker
2011-03-26 22:48 ` Joel Becker
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