Hello, On Tue 16-02-10 16:41:23, Toshiyuki Okajima wrote: > I will try to change the journaling interface of ext3 from jbd into jbd2. > > jbd2 has new features from jbd. For example, it includes the integrity > improvement features. The body of ext3 is already enough quality. If ext3 > changes the journaling interface from jbd into jbd2, ext3 filesystem with jbd2 > interface may get better integrity than with the jbd interface. > (jbd2 is aggressively being developed now, so I think we are glad if we can > get the effect of the development of jbd2 for ext3.) > > And ext3 is as de facto standard filesystem, so jbd2 component will be used > by more people than now if ext3 has the jbd2 interface. If many people used > the jbd2 interface of ext3, the jbd2 component would get more chances to > improve the quality and performance and so on. > > Besides, ext3 is now the only user of jbd. > (ocfs2 which was the user of jbd is now the user of jbd2.) > > Do you want the jbd2 interface of ext3? > If you want the jbd2 interface, I will try to implement one. Yes, as Ted pointed out, the main reason why we have a separate codebase for ext3 and ext4 and similarly jbd and jbd2 is that we didn't want the changes in ext4/jbd2 to influence (and possibly destabilize) ext3 filesystem. So switching ext3 to jbd2 would be directly against this logic... Honza -- Jan Kara <jack@xxxxxxx> SUSE Labs, CR -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
