On Aug 31, 2007 17:25 -0700, Mingming Cao wrote: > On Thu, 2007-08-30 at 14:51 -0600, Andreas Dilger wrote: > > we will only have a single tool "mke2fs", and it should be able > > to format filesystems for all kernels. > > I agree. I was wondering why not make the 64bytes block group descriptor > for ext4 as default. So by default we don't need to specify the size > when creating ext4 fs. Sure, this can be the default for ext4 (as with all the other ext4 features like INCOMPAT_64BIT INCOMPAT_EXTENTS, UNINIT_GROUPS, etc). > > Also, it may be desirable to make the descriptor larger for whatever > > reason (e.g. testing some new feature). > > > Okay, that could be useful for ext4. Don't feel ext2/3 needs that option. It can't hurt anything. At worst it means INCOMPAT_64BIT is enabled at mke2fs time and the mount will immediately fail with ext2/ext3. Users shouldn't mess with options they don't understand. Cheers, Andreas -- Andreas Dilger Principal Software Engineer Cluster File Systems, Inc. - 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
