On Tue, Apr 22, 2008 at 11:32:09PM +1000, Simon Burge wrote: > Folks, > > Unfortunately none of the outstanding issues have been solved yet with > the journaling support. However, I'd like to commit the patches to the > source tree in the new few days - this will hopefully make it easier for > more people to test and look at these issues. > > In summary, the issues are: > > - Can't log the root filesystem (or any FS if /dev isn't an ffs). > - Log must currently live at end of partition. > - Some heavy workload performance issues on SMP machines. > - Some stability issues on SMP machines. > > There is one other behavioural change. You now need to use the "-f" > option to mount a dirty filesystem. I'm not sure of the original reason > for this, and am not sure if this behaviour is desirable or not. Any > comments? Why? The whole idea with journaling is that once you play the journal, the file system is consistent. So why need -f? Yes, things can happen, which is why we still have fsck. But I think we shouldn't need -f with a journal. Take care, Bill
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