From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joel Becker Date: Fri, 10 Sep 2010 20:52:10 -0700 Subject: [Ocfs2-devel] [PATCH 5/5] ocfs2/dlm: make dynamic lvb alloc work In-Reply-To: <4C8ACBD3.4090706@oracle.com> References: <201008261310.o7Q90KvJ016660@acsinet15.oracle.com> <4C8ACBD3.4090706@oracle.com> Message-ID: <20100911035210.GL885@mail.oracle.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ocfs2-devel@oss.oracle.com On Fri, Sep 10, 2010 at 05:22:43PM -0700, Sunil Mushran wrote: > BTW, you are forgetting user_dlm. Not userspace dlm, but user dlm. > So the premise here is that we can skip allocating space for the lvb > based on the lockname. That will work for fs locks. But not for dlmfs/ > userdlm because we allow users to create any lockname. > > Now granted we can then say that lvb is not available for userdlm. > But we do provide that facility right now. We are not taking away the lvb for userdlm. So userdlm would have to always allocate, I guess. Joel -- "Heav'n hath no rage like love to hatred turn'd, nor Hell a fury, like a woman scorn'd." - William Congreve Joel Becker Consulting Software Developer Oracle E-mail: joel.becker at oracle.com Phone: (650) 506-8127