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Alex Tomas wrote: >>>>>> Jeff Garzik (JG) writes:>>>>>> >> JG> No, there is a key difference between ext3 and SCSI/etc.: cruft is removed. > > JG> In ext3, old formats are supported for all eternity. > > we'd need this anyway. just to let users to migrate. > Not really. Today, people use reiserfs even though they couldn't just remount their old ext2 as reiserfs. An ext2/ext3-incompatible ext4 isn't a problem. Sure, people will have to mkfs instead of just remounting, and that will mean fewer quick conversions in the short-term. But people using ext3 today don't really need ext4 - they are per definition running on sufficiently small disks/partitions. So an incompatible ext4 will still see use - on new filesystems mostly. Not a problem, people buy disks all the time. Helge Hafting - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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