On Fri, 2005-04-01 at 07:19 +0200, Ingo Molnar wrote: > * Steven Rostedt <[EMAIL PROTECTED]> wrote: > > > > could you send me your latest patch for the bit-spin issue? My main > > > issue was cleanliness, so that the patch doesnt get stuck in the -RT > > > tree forever. > > > > I think that's the main problem. Without changing the design of the > > ext3 system, I don't think there is a clean patch. The implementation > > that I finally settled down with was to make the j_state and > > j_journal_head locks two global locks. I had to make a few > > modifications to some spots to avoid deadlocks, but this worked out > > well. The problem I was worried about was this causing too much > > overhead. So the ext3 buffers would have to contend with each other. I > > don't have any tests to see if this had too much of an impact. > > yeah - i think Andrew said that a global lock at that particular place > might not be that much of an issue. >
OK, I'll start stripping it out of my kernel today and make a clean patch for you. -- Steve - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
