Messages in this thread | | | Subject | Re: [patch] Real-Time Preemption, -RT-2.6.13-rc4-V0.7.52-01 | From | "Stephen C. Tweedie" <> | Date | Tue, 30 Aug 2005 12:00:48 +0100 |
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Hi,
On Fri, 2005-08-26 at 05:24, Steven Rostedt wrote:
> Well, I just spent several hours trying to use the b_update_lock in > implementing something to replace the bit spinlocks for RT. It's > getting really ugly and I just hit a stone wall. > > The problem is that I have two locks to work with. A > jbd_lock_bh_journal_head and a jbd_lock_bh_state. ...
For now, yes.
> So, the only other solutions that I can think of is: > > a) add yet another (bloat) lock to the buffer head.
This one looks like the right answer for now, just to get the patch series running. I've got a WIP patch under development which removes the bh_journal_head lock entirely; if that works out, you may find things get a bit easier.
--Stephen
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