From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wengang Wang Date: Wed, 16 Dec 2009 09:40:40 +0800 Subject: [Ocfs2-devel] [PATCH 2/2] ocfs2: add trace event log to alloc.c In-Reply-To: <20091215235342.GA21998@mail.oracle.com> References: <200911261218.nAPMpBYX026104@rgminet15.oracle.com> <20091215235342.GA21998@mail.oracle.com> Message-ID: <4B283A98.9040605@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 Hi Joel, Joel Becker wrote: > On Thu, Nov 26, 2009 at 08:15:32PM +0800, Wengang Wang wrote: >> this patche adds trace event log to alloc.c. >> >> Signed-off-by: Wengang Wang > > Hey Wengang, > Sorry I didn't respond sooner and left you hanging. This is > good work. Thank you for taking this on. > Unfortunately, it brought up another problem. The tracing > infrastructure is not on el5. If we apply your patches to mainline, > we'll have an awful time backporting anything to 1.6, because mainline > will have trace_* functions and 1.6 will have mlog functions. Not your > fault, of course. > The easy solution is to hold off until el6 comes out. el6 will > have the tracing code. Another possibility is to fake the tracing > infrastructure in 1.6. We haven't come up with a sane way to do that > yet. So for now, we're going to hold off. > Please keep these patches handy. We'll be using them when the > time comes. > Understand. I will keep the patches handy. regards, wengang.